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Rezultatele pentru depth filter mediumRezultate gasite: 249
Bioleaching of uranyl ions from uranium ores by some algae
Environmental Engineering and Management Journal › Vol. 6 › Nr. 1 AbstractIt was investigated the bioleaching of uranyl ions from uranium ores, in aquatic medium with algae: Scenedesmus quadricauda and Nostoc linkia under different experimental conditions. The oxidation of U(IV) to U(VI) species, like uranyl ions was done by means of the atomic oxygen generated through photosynthesis by the aquatic medium from solution above of uranium ores.After almost 10 days of direct contact with the given microorganisms, it was observed a bioleaching degree between 10% an... Autori: Alexandru Cecal, Rodica Calmoi ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25107
Floodplain revegetation and river basin restoration
Environmental Engineering and Management Journal › Vol. 6 › Nr. 4 AbstractDuring the modern history the ability of plant roots to consolidate and strengthen the soil was exploited twice in France: once in1867 by Joseph Monier who created the reinforced concrete, and then in 1962 by Henry Vidal who created structured soils.The paper presents the some results obtained on the ecological protection of floodplain in major riverbeds. The aerodynamic modeling represents an efficient, economic and easy way to work with. The main condition of successful experiments is ... Autori: Ana Virsta ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25136
Solid waste in romania: management, treatment and pollution prevention practices
Environmental Engineering and Management Journal › Vol. 6 › Nr. 5 AbstractThe paper analyzes some aspects of waste management in Romania and, in particular, in Iasi County, in view of the European perspective. Urban and rural waste management is considered and collection, transport, processing, recycling or disposal of waste materials is discussed relative to the National Waste Management Strategy and the National Plan for Waste Management, as well as European and national legislative framework.It was showed that land disposal will continue to be a disposal op... Autori: Ana-Maria Schiopu, Ion Apostol, Maria Gavrilescu, Monica Hodoreanu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25203
Environmental Engineering and Management Journal, Vol. 1 Nr. 3
Environmental Engineering and Management Journal › Vol. 1 › Nr. 3 Contain all the articles from this issueICEEM/01 -- Environmental Engineering SectionThermodynamic and kinetic study of gas desulphurization by adsorption on zeolites Ion Untea, Dan Brasoveanu, Madeleine Dancila, Szidonia Bocskor Mixed oxides derived from vanadium substituted layered double hydroxides as catalysts precursors for SO2 oxidationGabriela Carja, Ionel Popa, Gabriela Ciobanu, Nicolae Aelenei The impact of energy production on environment in RomaniaCarmen Zaharia, Mioara Sur... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25168
Metals concentration in soils adjacent to waste deposits
Environmental Engineering and Management Journal › Vol. 6 › Nr. 6 AbstractThe paper presents original results concerning concentrations of eight heavy metals in soils adjacent to two improperly built municipal waste deposits located in Eforie Sud and Techirghiol, Constanta County, Romania. Measurements have been done on surface and depth soils, during April-October 2006. The applied analytical technique for metal determination was flame atomic absorption spectrometry (FAAS). The mean measured values ranged as follows (in mg/kg dry weight): Cd: 0.09 - 0.15; Co:... Autori: , Elisabeta Chirilă, Narcisa Elena Ilie ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25213
Comparative corrosion study of non-precious Ni/Cr- based soft alloys in view of dental applications
Environmental Engineering and Management Journal › Vol. 7 › Nr. 1 AbstractBased on the polarization curves and electrochemical impedance spectroscopy (EIS) in the case of three commercial alloys (Wirolloy, NicromalSoft and VeraSoft) maintained in artificial saliva, it was established the type and the intensity of the corrosion process by means of the corrosion currents value. The passivation of all the samples occurred spontaneously at the open circuit potential. The corrosion currents value decrease after the alloys maintenance in the corrosive medium due the... Autori: Daniel Mareci, Gina Ungureanu, Julia Claudia Mirza Rosca, Neculai Aelenei ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25235
Corrosion behavior of some low-carbon steels in organic environment in the presence of succinic and adipic acids
Environmental Engineering and Management Journal › Vol. 7 › Nr. 1 AbstractThe behaviour of three types of steel, with a variable carbon concentration (from 0.20 to 0.40 %) is studied in medium of ethylene glycol - 10 % methanol - 5 % succinic or adipic acid with water concentration varying between 1 % to 5 %. IR spectroscopy, Xray diffraction and chemical analysis were the methods used for corrosion compounds analysis. The weight losses were measured; also the polarization curves were plotted and the corrosion parameters were established. Based on the obtained... Autori: Daniel Mareci, Daniel Sutiman, Ioan Iordache, Mircea Teodor Nechita ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25240
Improving energy efficiency in water distribution systems based on water consumption profiling
Environmental Engineering and Management Journal › Vol. 7 › Nr. 3 AbstractTogether with other public utilities, water supply systems management aims to provide an efficient operation of the system and lower operational costs. In complex water distribution systems there is a large variety of consumers, which differ from one another not only by values of inflows, but also by how this inflows vary from hour to hour. This paper presents a self-organizing based approach to the problem of classification of water consumption profiles from the nodes of a water distrib... Autori: Gilda Gavrilaş, Mihai Gavrilas ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25254
Study on new complex compounds of Ti(IV) and Zr(IV) in aqueous solutions: synthesis, stability and application in cleaner technologies of natural leather
Environmental Engineering and Management Journal › Vol. 7 › Nr. 3 AbstractIn this paper, the study of synthesis and stability in aqueous solutions of new coordination compounds of Ti(IV) and Zr(IV) with ligand N-hydroxy-succinimide is presented. The salts: TiOSO4·2H2O and ZrOCl2·8H2O used for obtaining the studied coordination complexes, can derive from recycling metallic residues resulted in mechanical technologies applied for titanium and zirconium in S.C. ZIROM S.A. Giurgiu.The new complexes were synthesized in aqueous solutions and stability were study u... Autori: Adrian Cailean, Daniel Sutiman, Doina Sibiescu, Gabriela Apostolescu, Ioan Roşca, Marian Crudu, Mihaela Vizitiu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25265
Unsteady heat transfer inside an elliptic cylinder
Environmental Engineering and Management Journal › Vol. 7 › Nr. 3 AbstractConsidering the importance of transfer phenomena in chemical engineering and environmental protection, in particular heat transfer modelling, numerical methods are applied to investigate the transient heat transfer inside an elliptic cylinder. The temperature of the surrounding medium was considered constant and equal to the temperature on the surface of the cylinder. The heat balance equation was solved numerically in elliptic coordinate system. The computations were focused on the infl... Autori: Gheorghe Juncu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25269
Remediation techniques for contaminated soils
Environmental Engineering and Management Journal › Vol. 7 › Nr. 4 AbstractSoil pollution causes significant damage to the environment and human health as a result of their mobilities and solubilities.Significant progress has been made in regulating soil pollution, with a parallel development of methodologies for soil assessmentand remediation. The selection of the most appropriate soil and sediment remediation method depend on site characteristics, concentration, type of pollutants to be removed, and the end use of the contaminated medium. The approach include... Autori: Attar Singh Sheoran, Poonia Poonam, Vimla Sheoran ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25291
Effect of vanadium replacement by zirconium on the electrochemical behavior of Ti6Al4V alloy in Ringer´s solution
Environmental Engineering and Management Journal › Vol. 7 › Nr. 6 AbstractThe electrochemical behaviour of Ti6Al4V and Ti6Al4Zr alloys has been evaluated in Ringer's solution at 250C. The effect of the substitution of vanadium in Ti6Al4V alloy has been specifically addressed. The evaluation of the corrosion resistance was carried out through the analysis of the open circuit potential variation with time, potentiodynamic polarization curves, and electrochemical impedance spectroscopy (EIS) tests. Very low current densities were obtained (order of nA/cm2) from t... Autori: Adrian Cailean, Daniel Mareci, Daniel Sutiman, Igor Creţescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25334
Numerical modelling of longshore currents in marine environment
Environmental Engineering and Management Journal › Vol. 8 › Nr. 1 AbstractThe present work carries out a parallel analysis between the performances and, on the other hand, of the restrictions of two different model systems designed to assess the nearshore circulation. These are SHORECIRC, which is a widely known general prediction system for nearshore circulation and ISSM (the Interface for SWAN and SURF Models). SHORECIRC is a quasi-3D model that combines a numerical solution for the depth-integrated 2D horizontal momentum balance equations with an analytical... Autori: Eugen Rusu, Silviu Macuţă ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25345
Electrochemical characteristics of Ti6Al7Nb alloy in Ringer’s solution
Environmental Engineering and Management Journal › Vol. 8 › Nr. 1 AbstractTitanium alloys show attractive properties for biomedical applications where the most important factors are biocompatibility, corrosion resistance, low modulus of elasticity, very good strength-to-weight ratio, reasonable formability and osseointegration. The aim of present study was to evaluate the electrochemical behaviour of Ti6Al7Nb alloy in Ringer’s solution of different pH. This evaluation was carried out through the analysis of the potentiodynamic polarization curves, and electr... Autori: Daniel Mareci, Julia Claudia Mirza Rosca, Marina Garcia Falcon ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25363
Environmental Engineering and Management Journal, Vol. 8 Nr. 3
Environmental Engineering and Management Journal › Vol. 8 › Nr. 3 â€? Bioremediation of contaminated air using a bioscrubberâ€? Quality risk evaluation of the groundwater resources on the moldavian areaâ€? Electrochemical characterization of some dental materials in accelerated environmental testingâ€? Preliminary study of simple and Fenton oxidation with hydrogen peroxide applied on final effluents from a zootechnical farmâ€? The environmental impact assessment caused by the dykes failureâ€? Revaluation of beer industry byproducts – medical implicationsâ€? ... Autori: http://www.ecozone.ro/reviste.php?RID=25372
Environmental Engineering and Management Journal, Vol. 8 Nr. 4
Environmental Engineering and Management Journal › Vol. 8 › Nr. 4 â€? Photocatalytic properties of titania - fly ash thin filmsâ€? Study of the viscosity of some biodiesel – diesel oil blendsâ€? Aspects refering to technical and leaching properties of the secondary aluminium slags - cement compositesâ€? Studies regarding phenol and 4-chlorophenol sorption by surfactant modified zeolitesâ€? Cu-Ni nanostructured electrocatalysts obtained by electrocodepositionâ€? Molecularly imprinted poly (vinyl alcohol) films for the selective absorption of glycyrrhizinic ac... Autori: http://www.ecozone.ro/reviste.php?RID=25373
Environmental Engineering and Management Journal, Vol. 8 Nr. 5
Environmental Engineering and Management Journal › Vol. 8 › Nr. 5 â€? Photocatalytic properties of titania - fly ash thin filmsâ€? Study of the viscosity of some biodiesel – diesel oil blendsâ€? Aspects refering to technical and leaching properties of the secondary aluminium slags - cement compositesâ€? Studies regarding phenol and 4-chlorophenol sorption by surfactant modified zeolitesâ€? Cu-Ni nanostructured electrocatalysts obtained by electrocodepositionâ€? Molecularly imprinted poly (vinyl alcohol) films for the selective absorption of glycyrrhizinic ac... Autori: http://www.ecozone.ro/reviste.php?RID=25374
Preparation and characterization of sodium alginatechitosan microparticles for controlled release of ibuprofen in a sustainable way
Environmental Engineering and Management Journal › Vol. 8 › Nr. 3 Abstract
The preparation of microspheres containing chitosan, sodium alginate and ibuprofen and the pH dependent drug release were investigated. The microspheres were prepared by two experimental routes: the first one starting with a chitosan/ibuprofen core subsequently coated by an alginate shell (S1) and the second one based on an alginate/ibuprofen core, later coated by a chitosan layer (S2). The physical-chemical characterization was done by using Dynamic Light Scattering (DLS), Atomic Fo... Autori: Luminiţa Elena Balău, Nicolae Aelenei, Marcel Ionel Popa ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25412
A study concerning diesel biodegradation in liquid medium, by bioaugmentation, using a Pseudomonas sp. strain
Environmental Engineering and Management Journal › Vol. 8 › Nr. 3 Abstract
The paper presents the capacity of biodegradation of selected microorganism, cultivated on liquid culture media to which diesel was added in different amounts, to determine petroleum products and process efficiency. The optimum necessary conditions for development of microbial strains (pH, temperature, the quantities petroleum product / inoculum) have been established with the help of an experimental optimization program, SIMPLEX.... Autori: Dana-Camelia Cocut, Cornel Cojocaru, Mariana Diaconu, Matei Macoveanu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25414
The local storage coefficient of a layered soil
Environmental Engineering and Management Journal › Vol. 8 › Nr. 3 Abstract
Analytical equations for the variation of soil moisture content and for the local storage coefficient for a layered soil with a relatively shallow water table were developed in this study, based on a linear distribution law of the moisture retention on soil's profile, and the van Genuchten-Mualem parametrical model for the moisture-suction curve.
By considering this mathematical model, an original computer code was written in MATLAB to determine and then to graphically represent the... Autori: Dan Prepelita, Stefan Popescu, Esmeralda Chiorescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25429
Quality risk evaluation of the groundwater resources on the moldavian area
Environmental Engineering and Management Journal › Vol. 8 › Nr. 3 Abstract
The analysis over the underground water monitoring system and the collected data from survey drilling show that the underground water has an unsatisfactory quality due to some physical and chemical characteristics. Along with these, factors like the surface water pollution, the hydrodynamic exchange between surface and underground waters and the reintroduction in the agricultural activities of nitrates and phosphorus based fertilizers lowers, as well, the quality that it has been tal... Autori: Ioan Crăciun, Catrinel-Raluca Giurma-Handley, Ion Giurma ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25436
Iron oxides from electrofilter ash for water treatment (arsenic removal)
Environmental Engineering and Management Journal › Vol. 8 › Nr. 4 Abstract
Arsenic (As)-contaminated drinking water is a major problem around the world. The removal efficiency depends strongly on the size of Fe3O4 sorbents.Fe3O4 prepared in laboratory is more efficient in the removal of As and is also more easily recovered from column of magnetic separator than the commercial materials. This would be beneficial in a water treatment system because the As-contaminated Fe3O4 could be flushed from the column permitting reuse of the separator system. The dispers... Autori: Ionel Balcu, Adina Segneanu, Marius Mirica, Mirela Iorga, Catalin Badea, Iuliana Firuta Fitigau ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25456
Research on eco-business training requirements
Environmental Engineering and Management Journal › Vol. 8 › Nr. 4 Abstract
The motivation of this paper derives from the lack of integrated research and structures for managerial training and consultancy regarding the environment responsibility for eco-business. Also, the research underline the need of training and consultancy for eco-business in industrial small and medium size enterprises (SME) from the West part of Romania. The main aspects that were investigated were: the most needed items regarding the training programs, details about the consulting it... Autori: Anca Draghici, Monica Izvercianu, Mihaela Vartolomei, Vasile Duran ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25487
Abiotic and biotic mitigation of volatile methyl siloxanes in anaerobic gas-phase biomatrices
Environmental Engineering and Management Journal › Vol. 8 › Nr. 5 Abstract
This paper presents preliminary results of a batch-scale study assessing the contribution of the multiple phenomena involved in siloxane removal in three-phase biomatrices. Batch scale experiments were undertaken in shaken flasks containing acclimatised culture medium, solid media and siloxane vapours (octamethylcylotetrasiloxane and decamethylcyclopentasiloxane, respectively) under anaerobic gas-phase conditions. Abiotic and biotic phenomena, considered to be possible siloxane remov... Autori: Gabriela Soreanu, Patricia Falletta, Michel Beland, Kara Edmonson, Peter Seto ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25510
Numeric simulation of air pollution due to naval engines
Environmental Engineering and Management Journal › Vol. 8 › Nr. 5 Abstract
This paperwork tried to simulate the combustion inside the naval engines using the newest computer methods and technologies with the result of a diverse and rich palette of solutions, extremely useful for the study and prediction of complex phenomena of the fuel combustion.
The paperwork is contributing to the theoretical systematization of the area of interest bringing into attention a thoroughly inventory of the thermodynamic description of the phenomena which take place in the co... Autori: Nicolae Buzbuchi, Liviu Constantin Stan, Daniela-Elena Mitu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25514
Public management and local policy regarding city environment
Environmental Engineering and Management Journal › Vol. 8 › Nr. 6 Abstract
In the last decades human society came to realize that pollution and irrational use of resources diminish the capacities for future generations to satisfy their needs. That is why policies regarding environment protection start being implemented at city level with the participation of local authorities and the support of citizens. Moreover, such policies are beginning to have results, at environmental level. The example of the city of Ploiesti is commented upon in this paper. The cit... Autori: Augustin Mitu, Catalin Popescu, Daniela Uta ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25554
A social inquiry assessment of new water and wastewater disinfection devices
Environmental Engineering and Management Journal › Vol. 8 › Nr. 6 Abstract
This paper aims at developing a study concerning a prototype production opportunity and its use for Small and Medium Enterprises (SMEs) as polluters and consumers, as well as for household consumers.
The technical impact can be assessed through introduction of a new and low polluting technology which does not change the taste and smell of water, does not need chemical additives and uses a series of small and easy maintainable equipments with low costs. The method called �documenta... Autori: Daniela Suteu, Irina Volf, Luminita Lupu, , Carmen Ioan ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25555
New complexes used to increase the dying process efficiency of the textile materials in the context of sustainable development
Environmental Engineering and Management Journal › Vol. 9 › Nr. 1 Abstract
This work presentes a study of preparation and stability in aqueous medium of complexes obtained by the reaction between Fe(III) with 2-amino-6-methoxy-benzothiazol-sodium sulphonate ??†’1 naphtol-4-sodium sulphonate. In this purpose, the investigation methods applied were as follows: pH-metry, conductometry, and the UV-VIS spectrophotometry. The molar combination ratio of ligand to central metallic atom, and the stability constants for new obtained compounds were determined usin... Autori: Doina Sibiescu, Gabriela Carja, Ioan Roşca, Laura Chirila, Mihaela Vizitiu, Romen Butnaru ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25585
Integrated management and control system for water resources
Environmental Engineering and Management Journal › Vol. 9 › Nr. 3 Abstract
This paper presents an integrated system of management and control for water resources, designated to improve the process of finding sustainable solutions for the problems of water pollution according to EU regulations. It is known that, regardless of the type of the source of pollution, punctual or diffuse, the water quality for both surface and underground waters can be severely damaged. Consequently, measures have to be taken in order to reduce/suppress the water pollution. In ord... Autori: Aurelia Caldararu, Lucian P. Georgescu, Mirela Voiculescu, Virgil Olaru ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25622
Environmental Engineering and Management Journal, Vol. 9 Nr. 4
Environmental Engineering and Management Journal › Vol. 9 › Nr. 4 ? POLLUTION PREVENTION, A KEY TO ECONOMIC AND ENVIRONMENTAL SUSTAINABILITY
? A COMPARISON BETWEEN DIFFERENT SCENARIOS OF ROMANIAN MUNICIPAL SOLID WASTE TREATMENT BEFORE LANDFILLING
? A STUDY ON ENERGY CONSUMPTION IN ROMANIA
? ENVIRONMENTAL INFLUENCES ON STRESSED METALLIC SURFACES
? ASPECTS OF HYDRODYNAMICS AND MASS TRANSFER IN DIFFUSED AERATION SYSTEMS
? THE STATUS OF SOME SELECTED HEAVY METALS IN ROADSIDE SOILS OF BURSA PROVINCE, TURKEY
? PREPARATION AND CHARACTERI... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25656
Environmental Engineering and Management Journal, Vol. 9 Nr. 7
Environmental Engineering and Management Journal › Vol. 9 › Nr. 7 ? MUNICIPAL SOLID WASTE LANDFILLING AND TREATMENT OF RESULTING LIQUID EFFLUENTS
? ROMANIA: ENTREPRENEURIAL VALUES AND SUSTAINABILITY
? THE COMPRESSIVE STRENGTH OF WOODEN BRIQUETTES USED AS RENEWABLE FUEL
? ECO-FRIENDLY EXTRACTION AND SEPARATION METHODS OF CAPSAICINES
? ADDRESSING ISSUES OF GEOENVIRONMENTAL RISKS IN DOBRUJA, ROMANIA/BULGARIA
? ADSORPTION OF 2,4-DINITROPHENOL AND 2,6-DINITROPHENOL ONTO ORGANOCLAYS AND INORGANIC-ORGANIC PILLARED CLAYS
? APPLICATION
O... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25659
STUDY ON THE CHARACTERISTICS OF ROOTS DISTRIBUTIONS AREA IN THE CARAGANA-GRASS COMPOUND SYSTEM
Environmental Engineering and Management Journal › Vol. 10 › Nr. 6 This study was aimed to explore root spatial distributions on the different sizes of belt spaces in the caragana-grass compound system in Siziwangqi county, Inner Mongolia. The root spatial distributions were observed at selected typical sample plots within the 5m, 10m and 16 m belt-space caragana - grass compound systems. The area of roots spatial distributions were highly correlated with the caragana-grass compound system belt space. Root distribution area was found to decrease with soil depth... Autori: Yongjun De, Huijun An, Qiuju Guo, Dongmei Ye, Liansheng Guohttp://www.ecozone.ro/reviste.php?RID=25681
EVALUATION OF THE TRAFFIC AIR QUALITY BASED ON FUZZY COMPLEX MATTER ELEMENT METHOD AND ENTROPY WEIGHT
Environmental Engineering and Management Journal › Vol. 10 › Nr. 7 For a better evaluation of the impact of road traffic about air quality, this paper considers the development of a new evaluation index system and methods. They address the assessment of the air quality around the areas with an intense road traffic, according to Chinese standards considering sulfur dioxide index (SO2), total suspended particles index (TSP), floating dust index (PM10), nitrogen oxides index (NOX) and carbon monoxide index (CO). A systematic air quality evaluation model was establ... Autori: Zhao-hui Liu, Zhi-bin Qinhttp://www.ecozone.ro/reviste.php?RID=25714
EVALUATION AND APPLICATION OF SEMI-DRY FUEL GAS DESULFURIZATION (FGD) WITH FABRIC FILTER
Environmental Engineering and Management Journal › Vol. 10 › Nr. 7 Semi-dry FGD with fabric filter has been extensively studied in recent years. After a series of industrial tests on 300MW boiler with semi-dry FGD and fabric filter, some operation notes were obtained. The test results show that CFB-FGD with fabric filter can be run longer and stable, and its actual performance is even higher than the design parameters. Moreover, the pressure drop of fabric filter after CFB-FGD is 600~800Pa (higher than normal). The fabric filter, which contributes to the desulf... Autori: Tong Li, Han Yi, Han Xu, Reti Hai, Wang Wenxinghttp://www.ecozone.ro/reviste.php?RID=25716
LIFELONG LEARNING OF HUMAN RESOURCES FOR SUSTAINABLE DEVELOPMENT
Environmental Engineering and Management Journal › Vol. 10 › Nr. 9 Abstract:The aim of this paper is to present an assessment of the importance of mobility in the context of lifelong learning in the field offuture human resources - students, in particular - in order to contribute to sustainable development. Developing, adapting andbroadening the range of skills of individuals to create and fill the jobs of the future are the most important contemporary Europeanaim. The process of improving workforce skills involves a mutual gain for both employers and companies... Autori: Crina Radulescu, Madlena Nen, Radu Stoika ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25759
METALLIC MEMBRANES OBTAINED WITH GRADED STRUCTURE FOR MICROFILTRATION
Environmental Engineering and Management Journal › Vol. 10 › Nr. 10 Abstract:The aim of this work is to obtain sintered porous membranes with graded structure for microfiltration by sedimentation andsintering of metallic powders. Our previous studies have demonstrated the possibility of obtaining sintered porous materials withgraded structure by sedimentation. In this paper, spherical nickel particles were used having a grain size in the 2-90 µm rangemeasured by the laser scattering particle size analyzer. The powders were sedimented into a sintering die in a s... Autori: Gyorgy Thalmaier, Ioan Vida-Simiti, Nicolaie Jumate, Niculina Sechel, Valentin Moldovan ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25775
BIOLOGICAL AIR TREATMENT EFFICIENCY OF A STRAW BIO-CHARGE
Environmental Engineering and Management Journal › Vol. 10 › Nr. 10 Abstract:Experimental research evaluated the possibilities of air treatment efficiency of a cylindrically shaped bio-charge, namely straw, toremove volatile organic compounds from the air. As determined during experiments, the air treatment efficiency of the straw biochargefor acetone removal reached 97.3%, while for butanol removal the efficiency was 86.0%. It has been determined that, withvolatile organic compound concentrations increasing biological air treatment efficiency is decreasing as h... Autori: Alvydas Zagorskis, Petras Vaitiekunas, Pranas Baltrenas, Raimondas Leopoldas Idzelis, ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25790
THE USE OF THE A.G.P. TEST FOR DETERMINING THE PHYTOPLANKTON PRODUCTION AND DISTRIBUTION IN THE THERMALLY STRATIFIED RESERVOIRS: THE CASE OF YONGDAM RESERVOIR IN KOREA
Environmental Engineering and Management Journal › Vol. 10 › Nr. 11 Abstract: The paper focuses on eutrophication due to nutrients load into a reservoir. A thermally stratified reservoir water body is divided in vertical layers and horizontal zones according to water temperature and depth. The layers show different compositions of limiting nutrient because of the density of flow and due to inhabitants on the bottom of the reservoir exposed to sunlight. The bioassay for algal growth potential test (AGPT) is the most direct and effective way to determine a limitin... Autori: Dimitri Solomatine, Ioana Popescu, Jae-Ki Shin, Nahm-Chung Jung, Peter Kelderman, Roland K. Price ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25798
ANALYTICAL CONTROL OF SOIL AND GROUND WATER QUALITY ON A NORTHERN ROMANIAN LANDFILL
Environmental Engineering and Management Journal › Vol. 10 › Nr. 11 Abstract:This paper evaluates the efficiency of some technical depollution actions applied on a Northern Romanian landfill of solid municipal wastes, that provides ca 128 000 inhabitants and 171 economic companies, considering a great variety of specific physicochemical quality indicators for soil (8 indicators) and ground waters (34 indicators). The environmental status of the landfill was previously studied in 2004, through periodic analytical control of ground water (4 observation drilling we... Autori: Carmen Zaharia, Daniela Suteu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25803
EFFECT OF ORGANIC CARBON LOADING (OCL) ON SIMULTANEOUS NH4 +-N AND Mn2+ REMOVAL IN DRINKING WATER USING A BAF SYSTEM
Environmental Engineering and Management Journal › Vol. 10 › Nr. 11 Abstract:The effect of organic carbon loadings (OCLs) on NH4+-N and Mn2+ removal was investigated using a novel approach of biological aerated filter (BAF) for drinking water treatment system. Three different OCLs of 0.2, 0.5 and 1.0 kg COD/m3.d were loaded into BAF which was operated in batch-wise at 24 h hydraulic retention time. The experiments resulted in higher COD, NH4+-N and Mn2+ removal percentages at OCL of 1.0 kg COD/m3.d with removal of 97.1%, 97.4% and 94.7%, respectively. The +-N ef... Autori: Hassimi Abu Hasan, Noorhisham Tan Kofli, Siti Kartom Kamarudin, Siti Rozaimah Sheikh Abdullah ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25808
ECO-INNOVATION ATTITUDE AND INDUSTRY’S TECHNOLOGICAL LEVEL - AN IMPORTANT KEY FOR PROMOTING EFFICIENT VERTICAL POLICIES
Environmental Engineering and Management Journal › Vol. 10 › Nr. 12 This paper links two theoretical constructs underpinned by sustainable values, management of sustainable development and ecoinnovation. The first one becomes a crucial process and adds competitive value and, the second, plays a pivotal role in the search for a sustainable economy and society. This research is an attempt to explore the Spanish companies´ attitude towards sustainability when innovating. Industries were categorized as to their actual technological performance status as low, medium... Autori: Ángel Peiró-Signes, Luis Miret-Pastor, María-del-Val Segarra-Oña, Rohit Verma ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25826
THE FREE LEVEL UNIFORM POST-DARCY FILTRATION THROUGH A SPHERE-MADE HOMOGENOUS MEDIUM
Environmental Engineering and Management Journal › Vol. 10 › Nr. 12 This paper refers to the post-Darcy free level uniform filtration. The capillary tube fascicle model is applied to this filtration. The theoretical Ch?©zy coefficient is computed and also experimentally verified for a homogenous and isotropic material, made of glass spheres. The typical features for the free-level post-Darcy filtration (depending on slope) are the lover, critical and higher stages flows.... Autori: Aron Gabor Molnar, Daniel Toacă, Daniel Toma, Iosif Bartha, Nicolae Marcoie, Victor Gabor ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25833
Environmental Engineering and Management Journal 10/12
Environmental Engineering and Management Journal › Vol. 10 › Nr. 12 â€? SUSTAINABILITY IN ENVIRONMENTAL REMEDIATION
� EVALUATING THE CLIMATIC CHANGES IN THE HYDROLOGICAL FLOW REGIME OF THE MOLDAVIAN AREAS
� ENSURING ECONOMICAL AND FINANCIAL SUSTAINABILITY: STATE FISCAL CONTROL - A WAY TO PREVENT AND REDUCE TAX AVOIDANCE
� COMBINED OXIDATION AND ULTRAFILTRATION PROCESSES FOR THE REMOVAL OF PRIORITY ORGANIC POLLUTANTS FROM WASTEWATERS
� THE FREE LEVEL UNIFORM POST-DARCY FILTRATION THROUGH A SPHERE-MADE HOMOGENOUS MEDIUM
� HSLA ST... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25838
ABIOTIC FILTERING OF BENTHIC INVERTEBRATE GUILDS IN THE MARGHERITA DI SAVOIA SALT PAN, ITALY
Environmental Engineering and Management Journal › Vol. 11 › Nr. 4 The structure of biological communities is a result of the combined action of an environmental selection, determined by the physico-chemical characteristics of an ecosystem. This process results in the selection of the species depending on their tolerances (abiotic filter) and their ability to cope with the interactions among species (biotic filter). In this work, the importance of abiotic filters on the structure of benthic macro-invertebrate guilds was evaluated in a hyperalyne transitional wa... Autori: Alberto Basset, Aurelia Caldararu, Catalina Iticescu, Enrico Barbone, Ilaria Rosati, Lucian P. Georgescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25939
PHYSICOCHEMICAL AND RHEOLOGICAL CHARACTERIZATION OF COMPLEX COAGULANTS DERIVED FROM WEAK AND MEDIUM ANIONIC POLYMERS AND MEDIUM CATIONIC SURFACTANT
Environmental Engineering and Management Journal › Vol. 11 › Nr. 1 This paper presents the physicochemical and rheological properties of some complex coagulants derived from the weak and medium anionic polymers and medium cationic surfactant in order to evaluate the opportunity to use them in destabilizing and removing the colloidal systems from water and wastewater. In this respect, weak anionic and medium anionic copolymers of acrylamide and sodium acrylate with commercial names of Preastol 2515 and Preastol 2540, and a medium cationic surfactant derived from... Autori: Constantin Bobirică, Gabriel Dabija, Liliana Bobirica, Mihaela Mihai ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25850
INFRASOUND IMPACT ON THE AQUATIC ECOSYSTEMS AND LIFE QUALITY
Environmental Engineering and Management Journal › Vol. 11 › Nr. 1 Infrasound is a sound wave with a range of frequencies below that of human hearing and is a constituent of the environment in which we live. Taking into consideration that infrasound is below the audible range and that its overall effects on the entire human organism are yet unknown, the ambiguity of the phenomenon requires further research. Although infrasound has been analyzed in depth in the past few decades and assumptions have been made regarding experiments on human subjects (with or witho... Autori: Carmen Cătălina Ioan, Cornelia Ursu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25859
FILTERING MEDIA FUNCTIONALIZED WITH MONOCHLOROTRIAZINYL-β-CYCLODEXTRIN
Environmental Engineering and Management Journal › Vol. 11 › Nr. 1 The present study describes the preparation of a filtering medium from a polymeric cellulosic support (filter paper) by functionalization with monochlorotriazinyl-β-cyclodextrin. The permanent immobilization of cyclodextrins confers the new material special properties and the potential for a better decontamination of liquid and gaseous effluents. The structure, physicomechanical and filtration properties of the filter paper, successfully functionalized with MCT-β-CD, have been emphasiz... Autori: Ana-Maria Grigoriu, Constantin Luca, Florin Ciolacu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25862
A NEW PHOTO-FENTON PROCEDURE APPLIED IN OXIDATIVE DEGRADATION OF ORGANIC COMPOUNDS FROM WASTEWATER
Environmental Engineering and Management Journal › Vol. 11 › Nr. 1 This paper presents a new photo-Fenton procedure applied in oxidative degradation of organic pollutants using 4-chlorophenol (4-CP) as low biodegradable testing compound. The homogeneous photo-Fenton process was modified by using a photo-catalytic reactor equipped with a steel wire mesh which acts as source for Fe2+ catalyst generation into reaction medium and as heterogeneous catalyst, by iron oxy-hydroxyl compounds formation on the surface. The oxidation process was evaluated by measuring the ... Autori: Adina-Elena Segneanu, Cristina Orbeci, Ion Untea, Mihaela Emanuela Craciun, Rodica Stanescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25864
EVALUATION OF HEAVY METALS TOXICITY ON TWO MICROBIAL STRAINS ISOLATED FROM SOIL: Azotobacter sp. AND Pichia sp.
Environmental Engineering and Management Journal › Vol. 11 › Nr. 1 Chromium and cadmium are heavy metals that occur naturally in the environment and especially in soils. Their toxic effect is more pronounced at high concentrations and it depends on the oxidation states. While Cr (III) is considered an essential trace element for the metabolism of living organisms, Cr (VI) has a higher mobility and is easily soluble in soils and can be leached into surface water or groundwater, and taken up by plants. That leads to a toxic and carcinogenic effect to humans via i... Autori: Dumitru Bulgariu, Florian Statescu, Maria Gavrilescu, Mariana Diaconu, Vasile Lucian Pavel ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25866
WATER POLLUTION REDUCTION BY USING NEW PREMETALATED DYES IN DYEING WOOL
Environmental Engineering and Management Journal › Vol. 11 › Nr. 2 2This study shows the dyeing behaviour and impact over the wastewaters quality resulted from dyeing wool fibres, of a new synthesized premetalated dyes, derived from new acid dye, sodium(E)-2 –((1-amino-4-sulphonatonaphthalen-2-yl)diazenyl)-6- methoxybenzo[d]thiazole- 5 or 7 –sulphonate, as a result of interaction with Ni(II) and Zn(II) ions. In order to characterize the complexed dyes they were studied in both phase: solution and solid phase. The dyeing performances assessment and the envir... Autori: Ion Sandu, Laura Chirila, Maria Marcela Tarlea, Romen Butnaru, Viorica Vasilache ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25886
HEAVY METALS IN THE SOILS OF RODNA MINING AREA, ROMANIA AND ZEOLITE EFFICIENCY FOR REMEDIATION
Environmental Engineering and Management Journal › Vol. 11 › Nr. 2 The present study was carried out to highlight the areas where heavy metal content in the soils from Rodna mining perimeter exceeds normal limits and to attempt to reduce the concentration of free heavy metal ions by using natural zeolite from the Dej tuff. In order to emphasize the heavy metal content and their accumulation in soil in Rodna region, 35 soil samples were collected from the upper and deeper layer (about 0-10 and 10-20 cm depth) and analyzed to determine total and free Cu, Pb and Z... Autori: Ramona Nimirciag ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25900
FUNCTIONALIZATION AND IMMOBILIZATION OF WHOLE CELL BIOREPORTERS FOR THE DETECTION OF ENVIRONMENTAL CONTAMINATION
Environmental Engineering and Management Journal › Vol. 12 › Nr. 7 AbstractThe detection of environmental pollutants has challenged conventional chemical analysis for the rapid estimation of thebioavailability and toxicity of the contamination impact on human health and ecosystems. Magnetic nanoparticles (MNPs)functionalization as bioreporters can enhance the ability for biosensing in complex contaminated samples such as soils, and theimmobilization of bioreporters will promote the detection of gas and online monitoring. In this study, Acinetobacter baylyi ADP1... Autori: Aizhong Ding, Cheng Chen, Dayi Zhang, Musen Duan, Steven F. Thornton, Wei E. Huang, Yanjun Luo ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25952
OCCURRENCE AND RISK ASSESSMENT OF ESTROGENS AND ANTIINFLAMMATORIES IN BAIYANGDIAN LAKE, NORTH CHINA
Environmental Engineering and Management Journal › Vol. 12 › Nr. 7 AbstractEstrogens and anti-inflammatories can pose adverse effects on human health and wildlife. This paper investigated four estrogens(estrone, E1; 17β-estradiol, E2; estriol, E3; 17α-ethynylestradiol, EE2) and three anti-inflammatories (ibuprofen, ketoprofen andnaproxen) by solid-phase extraction (SPE) and liquid chromatography tandem mass spectrometry (LC-MS/MS) in BaiyangdianLake during the dry (April) and wet seasons (September). These compounds were mostly detected at low levels ... Autori: Jianghong Shi, Jinling Cao, Ting Bo, Xiaowei Liu, Yingxia Li ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25955
APPLICATION OF GIS IN REGIONAL ECOLOGICAL RISK ASSESSMENT OF WATER RESOURCES
Environmental Engineering and Management Journal › Vol. 12 › Nr. 7 AbstractThe regional ecological risk assessment of water resources has spatial, nonlinear and stochastic characteristics. GIS technologycan handle large volumes of spatial information, conduct spatial analysis and spatial data management operations. It visuallydisplays the distribution trend of environmental factors and the relationship between topology and regional water ecological riskpattern. This paper presents the five stages of the application of GIS in the regional ecological assessment o... Autori: Lin Gang Wang, Ning Lian Wang, Xiao BoWu, Ya Qian Zhao, Yin Ge Liu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25958
EDITORIAL A SPECIAL ISSUE ON PROGRESS IN ENVIRONMENTAL ENGINEERING, BIOTECHNOLOGY AND MANAGEMENT IN THE FRAME OF KNOWLEDGE-BASED SUSTAINABLE ECONOMY
Environmental Engineering and Management Journal › Vol. 12 › Nr. 8 “The Exploratory Workshop „Progress inEnvironmental Engineering, Biotechnology andManagement in The Frame of Knowledge-BasedSustainable Economy” took place in the contextwhen worldwide research shows that the currentindustrial system supports a population that useresources and generates waste, consuming the Earth'ssupply, but who’s biocapacity is far outweighed bythe increased demand of products for a developmentsystem that often works on unsustainable bases.Today’s challenge is the integration ... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25969
EDITORIAL - A SPECIAL ISSUE DEDICATED TO - ENVIRONMENTAL CONCERNS ON ELECTROMAGNETIC COMPATIBILITY AND ENGINEERING IN MEDICINE AND BIOLOGY
Environmental Engineering and Management Journal › Vol. 12 › Nr. 6 This special issue of EnvironmentalEngineering and Management Journal is dedicated tointerdisciplinary research and discusses multipleresults addressing environmental issues inElectromagnetic Compatibility (EMC) andEngineering in Medicine and Biology (EMB) areas.Some of the most significant researchdirections considered in this issue entail theelectromagnetic pollution together with a survey ofelectromagnetic environment in order to analyze andquantify the biological and health effects ofelectro... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25990
APPLICATION OF WINDINGS SHIFTING FOR THE OPTIMIZATION OF PLANAR STRUCTURES
Environmental Engineering and Management Journal › Vol. 12 › Nr. 6 AbstractThe use of planar electromagnetic technology led to the improvement of high frequency characteristics of the structures and thedecrease of their size and profile, which made them easier to integrate in different devices. In order to improve these planarstructures, it is known that the parasitic capacitance (EPC) must be decreased. Another method to achieve a better functionality isto increase or decrease the high frequency losses, according to their use. Because the previous studies were... Autori: Adina Racasan, Calin Munteanu, Claudia Hebedean, Claudia Pacurar ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25996
REDUCTION OF POWER LINE INTERFERENCES FROM ELECTROCARDIOGRAPHIC SIGNALS BY APPLYING ADAPTIVE FILTERING ON FIELD PROGRAMMABLE GATE ARRAY CIRCUITS
Environmental Engineering and Management Journal › Vol. 12 › Nr. 6 AbstractThe paper presents an extended implementation of an adaptive filter structure for electrocardiographic (ECG) signals denoisingwhich is implemented on Field Programmable Gate Array (FPGA) circuit. The proposed FPGA adaptive filter structure can beused to clean in real-time the ECG signals from power line interferences. In order to update the adaptive filter weights, the LeastMean Square (LMS) algorithm is used. The discrete forms of the filter structure and adaptive algorithm are presente... Autori: Cristian Győző Haba, Ioan Tudosa, Narcis Adochiei, Valeriu David ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26002
METHOD FOR UNOBTRUSIVE MEASUREMENT OF INDOOR AIR EFFECTS ON THE CARDIO-RESPIRATORY FUNCTIONS
Environmental Engineering and Management Journal › Vol. 12 › Nr. 6 AbstractIn this paper we describe a wireless system, including smart sensing nodes for indoor air quality and unobtrusive cardiorespiratorymonitoring. The sensing nodes include a set of solid state gas sensors, sensors for temperature and relative humidity, amicrowave Doppler radar sensor for cardio-respiratory function, and appropriate conditioning circuits expressed by active filtersand amplifiers. The analog signals provided by the signal conditioning circuits is applied to a data acquisition... Autori: Gabriela Postolache, Octavian Postolache, Pedro Silva Girão ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26007
ASSESSMENT OF SYNERGIC REGULATORY ACTIONS OF SPRUCE BARK EXTRACT AND DEUTERIUM DEPLETED WATER ON MAIZE (Zea mays L.) CROPS
Environmental Engineering and Management Journal › Vol. 12 › Nr. 6 AbstractThe aim of this study was to evaluate the effect of polyphenolic extract and deuterium depleted water (DDW) as bioregulators inmaize (Zea mays L.) plant cultivation. The aqueous extract obtained from spruce bark (two levels of concentration), pure DDWand DDW in combination with spruce extract were used. The test solutions were applied by spraying and the maize plant growthand alelopatic effect on the development were studied. The following specific plants parameters were monitored: growt... Autori: Corneliu Tănase, Irina Volf, Valentin I. Popa ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26012
Environmental Engineering and Management Journal - Vol 12, No 6
Environmental Engineering and Management Journal › Vol. 12 › Nr. 6 • STUDIES ON HEAT RECOVERY FROM CELLULOSIC TEXTILES FINISHING WASTEWATER • ASSESSMENT OF SYNERGIC REGULATORY ACTIONS OF SPRUCE BARK EXTRACT AND DEUTERIUM DEPLETED WATER ON MAIZE (Zea mays L.) CROPS • LUNG CANCER RISK INDUCED BY RESIDENTIAL RADON IN CLUJ AND ALBA COUNTIES, ROMANIA • A CLEAR SKY IRRADIATION ASSESSMENT USING THE ESRA MODEL AND SRTM DATABASE • ENVIRONMENTAL FACTORS ASSOCIATED WITH DYSPHONIA IN PROFESSIONAL VOICE USERS ... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26014
ENERGY RECOVERY FROM SLUDGE WITH LOW ORGANIC LOADS RESULTED FROM WASTEWATER TREATMENT PLANTS
Environmental Engineering and Management Journal › Vol. 12 › Nr. 5 AbstractThe developing of the infrastructure for wastewater collection and treatment in Romania is leading more and more to theproduction of huge quantities of activated sludge, as direct result of the application of state of wastewater treatment. The rapidand rational development of a national policy for management of activated on short, medium and long term has emerged as anecessity, and must be implemented urgently.The EU 27 countries consider environmental management of activated sludge as a... Autori: Ilie Vlaicu, Ioan Neamt, Ioana Ionel, Mihail Reinhold Wächter ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26019
NUMERICAL MODELLING OF CHLORINE DISTRIBUTION IN AN URBAN WATER SUPPLY SYSTEM
Environmental Engineering and Management Journal › Vol. 12 › Nr. 4 AbstractA simplified numerical model of the water distribution network of a medium sized town (with 30,000 inhabitants), of elongatedshape, was implemented in EPANET. The decay of chlorine residual concentration in the above mentioned network was studied,using the extended time analysis capabilities of EPANET, for a 3 days period. The water supply system, composed of one tank, 86pipes and 52 nodes is driven by gravity. The chlorine is injected at the tank with a constant concentration amount. Th... Autori: Andrei-Mugur Georgescu, Sanda-Carmen Georgescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26054
CROSS-SPECTRUM ANALYSIS APPLIED TO AIR POLLUTION TIME SERIES FROM SEVERAL URBAN AREAS OF ROMANIA
Environmental Engineering and Management Journal › Vol. 12 › Nr. 4 AbstractThe paper presents the application of cross-spectrum analysis (CSA) to air pollution and meteorological time series collected fromseven air quality monitoring stations located in three urban agglomerations of Romania, affected by industrial and trafficpollution: Braşov, Ploieşti and Târgovişte. Data have been collected from November 2011 till March 2012, at one hour samplingrate. The purpose of the analysis was to reveal the correlations between two series at different fre... Autori: Ştefania Iordache, Daniel Dunea ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26057
EFFECTS OF HEAVY METALS ON Lepidium sativum GERMINATION AND GROWTH
Environmental Engineering and Management Journal › Vol. 12 › Nr. 4 AbstractBasic principles for assessing phytotoxicity are the same whether the test compound is a heavy metal, herbicide, fungicide,insecticide or other toxic compounds. The difference lies not in the method of evaluation, but in the experimental program andworking methodology.In this paper the phytotoxic effects of heavy metals, Cr (VI) and Cd (II) on plants germination and growth were studied. Stocksolutions of the two heavy metals were prepared at a concentration of 1000 mg/L, in distilled wat... Autori: Dana Luminiţa Sobariu, , Maria Gavrilescu, Mariana Diaconu, Vasile Lucian Pavel ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26062
STUDY OF HEAVY METAL POLLUTION AND BIOACCUMULATION IN THE BLACK SEA LIVING ENVIRONMENT
Environmental Engineering and Management Journal › Vol. 12 › Nr. 2
Abstract
The Black Sea is seriously affected by a large range of pollutants, despite severe laws regarding the protection of sea ecosystems.
Heavy metals are among the most important xenobiotics from the environment, presenting also toxicity for humans.
The studies upon heavy metals have proven that the sediments have the highest concentrations and they can release metals back
to water and this fact represents a risk for the humans and aquatic ecosystem life.
The use of aquatic ... Autori: Oana Jitar ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26112
RESISTANCE OF YOUNG STRESSES CAUSED BY HEAVY METALS SUCH AS Cs AND Cd
Environmental Engineering and Management Journal › Vol. 12 › Nr. 2
Abstract
Using lab experiments, the heavy metal tolerance of young ectomycorrhizal trees was assessed in two axenic systems, co-cultures
on germination medium and a sandwich technique system with Modified Melin-Nokrans medium. Sterilized seeds of the tree
species Scots pine (Pinus sylvestris) and Norway spruce (Picea abies) were inoculated with the ectomycorrhizal fungi Paxillus
involutus and/or Tricholoma vaccinum in media containing either 10 mM CsCl or 0.25 mM CdCl2. The behavio... Autori: Maria Lucia Bizo ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26119
EFFICIENCY OF FILTERS WITH DIFFERENT FILTERING MATERIALS: COMPARATIVE STUDY IN WATER TREATMENT
Environmental Engineering and Management Journal › Vol. 12 › Nr. 1
Abstract
In order to accomplish the water quality standards required for a specific use, the continental surface water is treated through a
sequence of operations and unit processes. The treatment technological flowsheets carry out, partially or totally, the removal of
various pollutants, every treatment step being used for improving one or more qualitative parameter. The treatment scheme is
specific to water source type and water use. One of the basic operations for water treatmen... Autori: Oana Tirtoacă Irimia ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26136
DYNAMIC MECHANICAL COMPRESSION OF ROCK MATERIAL WITH DIFFERENT WEATHERING DEGREES
Environmental Engineering and Management Journal › Vol. 12 › Nr. 9 AbstractRock dynamic mechanical characteristic is the basic information to study the damage of rock structures under dynamic loadsinduced from earthquake or blasting. A nuclear power plant site is a granite mountain of the same active tectonic period. Dynamic triaxial compression experiments need to be conducted on the drill cores of different project parts according to the design requirements. These drill cores were formed in the same active tectonic period, but as a result of the different bur... Autori: Liu Bo ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26163
IMPROVING THE ENVIRONMENTAL PERFORMANCES OF IRON POWDERS CARBURIZING PROCESS IN A METHANE-BEARING ATMOSPHERE
Environmental Engineering and Management Journal › Vol. 12 › Nr.10 AbstractConsidering the advantages of steel surface hardening, when less expensive low- and medium- carbon steels can be surfacehardened without the problems of distortion and cracking associated with the through hardening of thick sections, we developedsome research entailing the increase in environmental performance of iron powders carburizing process using methane as carrier.Apart of studies on optimal working parameters and methods, our research addresses improvements in environmentalperform... Autori: Olimpia Ghermec ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26198
REMOVAL OF ACID BLACK DYE BY PUMICE STONE AS A LOW COST ADSORBENT: KINETIC, THERMODYNAMIC AND EQUILIBRIUM STUDIES
Environmental Engineering and Management Journal › Vol. 12 › Nr. 11 AbstractThe removal of Acid Black 1 dye was investigated by acid treated pumice stone as a low cost adsorbent, since acidicmodifications were expected to improve the sorption capacity. The main components of the considered adsorbent were SiO2 andAl2O3 and acid treated pumice shows irregular structure. The effect of various parameters such as the initial dye concentration,the contact time, the temperature and the pH were studied. An increase of the contact time, the initial dye concentration or a... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26211
ENHANCED REMOVAL OF FECAL BACTERIA BY ZINC-MODIFIED ZEOLITE IN AN INTERMITTENT MEDIA INFILTRATION SYSTEM
Environmental Engineering and Management Journal › Vol. 12 › Nr. 11 AbstractThe reuse of a wastewater treatment system was investigated using intermittent media infiltration (IMI) to evaluate the fecalcoliform (FC) removal efficiency with natural zeolite containing clinoptilolite from the state of San Luis Potosí, Mexico and itszinc-modified form (Zeo-Zn). The municipal wastewater, which was from Saltillo, Coahuila, Mexico, was treated for FC analysisfor four months. The physicochemical properties of zeolite were analyzed, and their behavior as filter media for ... Autori: Sasirot Khamkure ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26212
REDUCING AMMONIA, CHEMICAL OXYGEN DEMAND AND COLOR FROM PRAWN POND WASTEWATER USING COMPOSITE MEDIA
Environmental Engineering and Management Journal › Vol. 12 › Nr. 11 AbstractLow water quality due to high levels of ammonia, chemical oxygen demand (COD), abnormal pH, and undesirable water color isprevalent in many prawn ponds in Malaysia. A composite medium used in the treatment of prawn pond effluent was examinedfor the reduction of undesirable parameters. The composite medium is a mixture of limestone, activated carbon, zeolite, and ricehusk. Experiments were conducted under three different conditions, i.e., sole aeration, adsorption, and adsorption with pre... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26219
OPTIMIZATION OF PHOSPHATE REMOVAL FROM SYNTHETIC WASTEWATER BY BACTERIAL CONSORTIUM USING BOX-BEHNKEN DESIGN
Environmental Engineering and Management Journal › Vol. 12 › Nr.12 AbstractIn this work, a four factor three-level Box–Behnken factorial design based on response surface methodology (RSM) wasemployed to optimize the removal of phosphate from synthetic wastewater (mineral salts medium-MSM) by the bacterialconsortium (Bacillus sp. RS-1, Pseudomonas sp. YLW-7, Enterobacter sp. KLW-2). A mathematical model was then developedto show the effect of each medium composition and their interactions on phosphate removal. The effect of the lactoseconcentration (X1), pH (X2)... Autori: Krishnaswamy Usharani ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26235
REMOVAL OF DYE AND CHEMICAL OXYGEN DEMAND (COD) REDUCTION FROM TEXTILE INDUSTRIAL WASTEWATER USING HYBRID BIOREACTORS
Environmental Engineering and Management Journal › Vol. 13 › Nr. 1 AbstractA bench-scale anaerobic bioreactor for the anaerobic treatment of textile wastewater using anaerobic sludge was experimented.The Top and bottom of hybrid bioreactor were functioned with UAF (Up Flow Anaerobic Filter) and UASB (Up Flow AnaerobicSludge Blanket), respectively. The effect of organic loading rate (OLR) and hydraulic retention time (HRT) on treatment oforganic matters in the textile wastewater was investigated. The maximum removal of chemical oxygen demand (COD) and colorwas 9... Autori: Reza Katal ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26255
TREATMENT OF NYLON PRODUCTION WASTEWATER BY BIOLOGICAL ANAEROBIC FILTER IN COMBINATION WITH A/O PROCESS – A CASE STUDY
Environmental Engineering and Management Journal › Vol. 13 › Nr. 2 AbstractThis paper presents the full-scale treatment of nylon production wastewater in a wastewater treatment plant in Henan province, Central China. In this case, a 9600 m3/d capacity wastewater treatment plant was installed to treat the wastewater generated from the production of nylon-66 salt, based on the biological anaerobic filter (BAnF) combined with an anoxic/oxic (A/O) process. The performance of the biological combined system was monitored over a 75-day period. The results revealed tha... Autori: Chunlian Xu, Haiming Huang, Jiankun Dai, Jianrong Qi, Qianwu Song, Shaowei Wu, Wenjun Wang ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26276
PERFORMANCE OF AN ACTIVE SOLAR STILL COUPLED TO EVACUATED TUBE COLLECTOR
Environmental Engineering and Management Journal › Vol. 13 › Nr. 2 AbstractIn this study, the experimental performance of a single slope solar still coupled with an evacuated tube collector was investigated. A single slope passive solar still (PSS) and single slope active solar still (ASS) integrated with an evacuated tube collector were fabricated with an area of 1 m2 and tested in the composite climate of Coimbatore, Tamilnadu, India, (Latitude: 11°N; Longitude: 77°E and an altitude of 409 m above sea level). High water temperatures in the range of 84.2... Autori: Karuppusamy Sampathkumar, Palanisamy Senthilkumar ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26286
ESTIMATION OF OPTIMUM FILTER CAKE IN PRODUCTION OF IMPERMEABLE LAYER USING FUZZY LOGIC
Environmental Engineering and Management Journal › Vol. 13 › Nr. 2 AbstractWorldwide, waste materials are produced as a by-product of industrial manufacturing and placed in storage areas. One of the waste materials is filter cake (FC). FC is formed during the infiltration of cooling water in steel factories. The main aim of this research is determination of optimum usage of FC in the production of impermeable layer on ground by using fuzzy model approach. Because of this, in the study, FC as a waste material was hardened with cement and an impermeable layer was... Autori: Ä°lker Bekir Top�u, Murat Karacasu, Tayfun Uygunoğlu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26288
ENVIRONMENTAL IMPACT AND RISK ASSESSMENT IN THE AREA OF “PATA RÂT” LANDFILL SITE, CLUJ–NAPOCA, ROMANIA
Environmental Engineering and Management Journal › Vol. 13 › Nr. 2 AbstractThis study aims to investigate the environmental impacts of the municipal waste disposal facility of Pata Rat, Cluj-Napoca, Romania during dry periods of the year. The environmental impact assessment on the landfill site was carried out on the basis of the measurements of environmental quality indicators. Environmental indicators were measured in the surface water, soil and air. For the assessment of the environmental impacts generated by landfill on surface water measurements were carri... Autori: Ákos Rédey, Anca Gurzau, Antoanela Popovici, Constantin Măruţoiu, Fazekas Bence, , Ildiko Varga, Raluca Mariana Haţegan, Tatiana Yuzhakova ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26296
EVALUATION OF THE ADSORPTION OF COPPER (II) FROM AQUEOUS SOLUTION BY D151 RESIN
Environmental Engineering and Management Journal › Vol. 13 › Nr. 4 AbstractStudies about the adsorption behavior of Cu(II) on D151 resin were conducted. Parameters including the effects of pH,temperature, contact time and initial metal ion concentration were studied by batch methods. Results showed that the adsorptionwas strongly dependent on pH of the medium, and the maximum uptake was obtained at pH 6.90. In the batch system, the D151resin exhibited the highest Cu(II) uptake as 277.8 mg/g at 318K, calculated by the Langmuir model. The adsorption kinetics were... Autori: Caiping Yao, Chunhua Xiong, Xinyi Chen ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26333
EFFECT OF MEDIUM NUTRIENTS ON Cr(III) REMOVAL BY Phanerochaete chrysosporium, Aspergillus niger AND Aspergillus oryzae
Environmental Engineering and Management Journal › Vol. 13 › Nr. 4 AbstractIn this work, the effect of the addition of some nutrients on fungal growth and removal of Cr(III) were investigated. Theconsidered fungi, isolated from real tanning factory environment were Phanerochaete chrysosporium, Aspergillus niger and A.oryzae. Firstly, the optimal conditions for fungal growth were determined as a function of pH, contact time, temperature andagitation speed. Secondly, the effect of the addition of some nutrients on fungal growth was examined. Without the addition ... Autori: Abdeltif Amrane, Mansur Zarrabi, Mohammad Noori Sepehr ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26337
MODELING HEAD LOSSES IN BIOLOGICAL AERATED FILTERS INCLUDING ACTIVE BIOMASS, INERT BIOMASS AND EXTRACELLULAR POLYMERIC SUBSTANCES
Environmental Engineering and Management Journal › Vol. 13 › Nr. 4 AbstractA deep understanding of the relationship between the solids deposition and head losses is vital to optimize the backwashing inbiological aerated filters (BAFs). In this article, the deposition solids were classified into four types: heterotrophic biomass,autotrophic biomass, inert biomass and extracellular polymeric substances (EPS). A concept model was developed to simulatethe solid deposition and the head loss development. The temporal and spatial distributions of the four types of sol... Autori: Chengda He, Dongsu Bi, Jun Wu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26347
FACTORS AFFECTING BIOLOGICAL SULPHATE REDUCTION IN TANNERY WASTEWATER TREATMENT
Environmental Engineering and Management Journal › Vol. 13 › Nr. 4 AbstractA pilot scale Upflow Anaerobic Filter (UAF) treating tannery wastewaters was operated for 160 days. The UAF was fed with lowCOD/SO42- ratio (SO42- = 1810 mg L-1, CODtotal = 2530 mg L-1) for the investigation of sulphate and COD removal as a functionof substrates limitation and ammonia and sulphide inhibition. Sulphate-reducing bacteria (SRB) out-competed methanogenicbacteria due to the low influent COD/SO42- ratio, the high concentration of sulphide and the presence of inhibiting compoun... Autori: Alberto Mannucci, Claudio Lubello, Giulio Munz, Gualtiero Mori ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26353
MODELING AND SIMULATION OF POWER ACTIVE FILTERS FOR REDUCING HARMONIC POLLUTION USING THE INSTANTANEOUS REACTIVE POWER THEORY
Environmental Engineering and Management Journal › Vol. 13 › Nr. 6 AbstractThe paper presents the structure of an active parallel filter for reducing harmonic pollution and reactive power. The active powerfilter control is based on instantaneous reactive power theory. The control is made in the system of axes - , which use directand inverse transformation to obtain the equations from one system to another coordinate axes. The authors present the modelingof parallel active filter based on this theory and the simulation results in MATLAB-SIMULINK... Autori: Marius Marcu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26397
NEW VIABLE INDUSTRIAL WASTES MIX FOR FODDER YEASTS PRODUCTION
Environmental Engineering and Management Journal › Vol. 13 › Nr. 7 AbstractThe study aimed the diversification of fodder yeast assortments with viable economic effects while reducing the environmentpollution by capitalization of wastewaters with high monosaccharides content from pulp and paper industry and residual wheyfrom milk industry. Using the Response Surface Methodology the fabrication recipe has been optimized according to anexperimental program based on a mathematical model with biomass, protein and residual sugar as response functions. Theculture medi... Autori: Livia Manea ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26429
PERSPECTIVES FOR ENERGETIC VALORIZATION OF WASTEWATER SEWAGE SLUDGE: THE TURIN CASE
Environmental Engineering and Management Journal › Vol. 13 › Nr. 7 AbstractThe right individuation of the more convenient solution for final treatment and destination of sewage sludge deriving fromwastewater plants, normally after anaerobic digestion process, is a very interesting problem, in accounting of urgent needs foracceptable solutions. The produced sludge, primarily after thermal drying, can be sent to energetic valorization processes as, forexample, incineration, gasification and also pyrolysis. In this work we examined the thermal solutions (both dire... Autori: Deborah Panepinto ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26435
ECOTOXICOLOGICAL ASSESSMENT OF ANAEROBIC STABILIZED SEWAGE SLUDGE SUBJECTED TO SANITIZATION TREATMENTS
Environmental Engineering and Management Journal › Vol. 13 › Nr. 7 AbstractThe aim of our investigations was to assess the potential ecotoxicological effects induced by complex chemical mixtures ofanaerobically digested sewage sludge. The sensitivity of monocotyledonae cereal (Triticum aestivum L.) test plant to varioussanitization treatments of anaerobic stabilized sewage sludge was evaluated. Several biometrical and biochemical responseindicators were selected as endpoint in this ecotoxicological tests. Thus, the ecotoxicity of sewage sludge was evaluated thr... Autori: Dumitra Raducanu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26437
THE CLUSTER APPROACH AS A SOLUTION TO IMPROVE ENVIRONMENTAL MANAGEMENT AT SMEs LEVEL: A COMPARISON STUDY
Environmental Engineering and Management Journal › Vol. 13 › Nr. 7 AbstractThis research aims to investigate the level of cluster approach adoption to support the environmental management of small andmedium enterprises and reduce their environmental impact. The research identifies the main phases of cluster approachmethodology and assesses the level of its adoption in 28 international case studies included in 5 different categories of cluster.Our study carried out a comparative analysis between the experiences of each cluster category and the level of implement... Autori: Sara Tessitore ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26452
BIODEGRADATION OF THE HERBICIDE LINURON IN A PLUG-FLOW PACKED-BED BIOFILM CHANNEL EQUIPPED WITH TOP AERATION MODULES
Environmental Engineering and Management Journal › Vol. 13 › Nr. 8 AbstractA lab-scale packed-bed biofilm channel reactor that operates as a plug-flow system equipped with top aeration modules wasconstructed and evaluated. To assess the reactor performance a microbial community able to degrade linuron was used. Changingthe fluid flow rates and the linuron concentrations in the inflowing medium the volumetric loading rates of linuron (BV,L) weregradually increased from 0.29 to 14.93 mg/Lh. During the operation of the reactor, an airflow rate of 0.15 ± 0.05 L/min... Autori: Erick Marrón-Montiel ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26465
COMPARISON OF PHOTOCATALYTIC TREATMENT EFFECTIVENESS ON SEWAGE AND INDUSTRIAL WASTEWATERS
› › Nr. 8 AbstractWater samples from two types of sources: partially treated sewage generated by a medium-sized city, with a high quantity oftotal coliforms and partially treated industrial wastewater, which contained mostly petroleum products from refineries, weretreated using the same concentration of TiO2 catalyst, for different exposure periods. UV-Vis and fluorescence spectroscopicevaluation of the composition changes of wastewaters under non selective oxidation conditions (achieved by photocatalysis... Autori: Gabriela Pavelescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26474
PERFORMANCE EVALUATION OF ANIONIC POLYMER-CATIONIC SURFACTANT COMPLEX COAGULANTS IN WATER TREATMENT
Environmental Engineering and Management Journal › Vol. 13 › Nr. 8 AbstractThe performance of some complex coagulants derived from weak and medium anionic polymers and medium cationic surfactantin coagulation-flocculation process for water treatment was experimentally investigated by carrying out kinetic studies and bydetermining the optimum coagulant dose. The complex coagulants were prepared from weak anionic and medium anioniccopolymers of acrylamide and sodium acrylate with the commercial names Praestol 2515 and Praestol 2540, and mediumcationic surfactant ... Autori: Constantin Bobirică ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26478
EFFECTIVENESS OF AIR TREATMENT USING A PLATE-TYPE BIOFILTER WITH A CAPILLARY SYSTEM FOR HUMIDIFICATION OF PACKING MATERIAL
Environmental Engineering and Management Journal › Vol. 13 › Nr. 8 AbstractIn this study a new generation of plate-type laboratory air treatment biofilter is applied for the removal of gaseous contaminantsfrom air. The packing material for the biofilter consists of porous plates arranged vertically one after the other to produce acapillary humidification effect. The porous plate is made of polymer to secure the stiffness of the plate. Birch fibre granulesthermally treated in a steam explosion reactor are fixed on both sides of the polymer board. The granules ar... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26480
DECONTAMINATION OF SYNTHETIC WASTEWATER CONTAINING PHARMACEUTICAL CONTAMINANTS BY ANODIC OXIDATION WITH BORON- DOPED DIAMNOND (BDD) ELECTRODE
Environmental Engineering and Management Journal › Vol. 13 › Nr. 9 AbstractTetracycline (TC) are used as bacteriostatic agents, inhibits the synthesis of bacterial proteins, with activity against awide variety of organisms with application in human and veterinary medicine. The presence of TC in theenvironment constitutes a serious problem, being weakly metabolized or absorbed into the human or animal bodycon. TC residues even in low concentration may produce serious toxic and other effects on humans and livingorganism. In this study are presented the applicatio... Autori: Carmen Ionela Brînzilă ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26513
TISSUE CULTURE AND AGAMIC PROPAGATION OF WINTER-FROST TOLERANT ‘LONGICAULIS’ ARUNDO DONAX L.
Environmental Engineering and Management Journal › Vol. 13 › Nr. 11 AbstractThe primary objectives of this study were to identify the ecotypes of the ‘longicaulis’ giant reed (Arundo donax L.) that arewinter-frost and cold tolerant in temperate climates on marginal lands and to perform biotechnological research on theseecotypes. We searched for large ‘longicaulis’ giant reed ecotypes, which wintered successfully in spite of the 2012/2013 winterfrosts and sprouted from stem nodes in the spring of 2013 in three locations of the Balaton basin. Starting in vitro cul... Autori: Gabriella Antal ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26527
DETERMINATION OF 15N STABLE ISOTOPE NATURAL ABUNDANCES FOR ASSESSING THE USE OF SALINE RECLAIMED WATER IN GRAPEFRUIT
Environmental Engineering and Management Journal › Vol. 13 › Nr. 10 AbstractWe reported the results of an isotopic study aimed at evaluating the medium to long-term effects of different water qualities anddeficit irrigation strategies on the ecophysiology of grapefruit in a 7-year-old plantation in SE Spain. For a better understandingof the interaction between nitrogen and salts from reclaimed water, RW, an experiment using natural abundance (δ) of 15N wasconducted. This study showed that in grapefruit crop irrigated with RW leaf δ15N value increased. ... Autori: Cristina Romero-Trigueros ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26573
EFFECTS OF CADMIUM AND ZINC ON GROWTH AND METAL ACCUMULATION OF Mathiola flavida BOISS
Environmental Engineering and Management Journal › Vol. 13 › Nr. 12 Abstract
The effects of cadmium (Cd), Zinc (Zn), and Cd–Zn on growth and their accumulation in the Matthiola flavida shoots were
investigated. A factorial experiment with two factors (Cd and Zn) concerning four concentrations of Cd (0, 5, 10 and 20 mg L-1)
and four Zn concentrations (0, 10, 20 and 40 mg L-1) were carried out. The shoot and root biomass of M. flavida growing in Cd-
Zn medium decreased significantly (p<0.01) compared to the control. Growing in the presence of 20 mg L-... Autori: Naser Jamali ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26587
APPLICATION OF ECODESIGN METHODOLOGY IN SMEs RUN ACCORDING TO LEAN MANAGEMENT: THE CASE OF A FURNITURE PUBLISHING COMPANY
Environmental Engineering and Management Journal › Vol. 13 › Nr. 12 Abstract
The aim of this paper is the adaptation of an Ecodesign methodology for product publishing SMEs that have implemented Lean
Management. To obtain verification of this methodology, an eco-redesign case study of a product has been carried out from a
furniture publishing SME which applies lean management to its entire production chain. Some proposed improvements resulting
from this case study were: Design for dismantling, Multifunction, Dematerialisation, Increasing the material of rene... Autori: Sara González-García ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26592
AQUEOUS EXTRACT FROM DRY OLIVE MILL RESIDUE AS A POSSIBLE BASAL MEDIUM FOR LACCASE PRODUCTION
Environmental Engineering and Management Journal › Vol. 13 › Nr. 12 Abstract
Due to its very low moisture content, the solid waste from the two-phase olive oil extraction process (dry olive mill residue,
DOR) can be easily stored and used as a readily available basal liquid culture medium via its reconstitution with water. Five
white-rot fungi (namely Phanerochaete chrysosporium NRRL 6361, Lentinus tigrinus CBS 577.79, Pleurotus pulmonarius CBS
664.97, Phlebia radiata DABAC 9 and Botryosphaeria rhodina DABAC P82), previously selected in a screening program, ... Autori: Alessandro D’Annibale ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26598
BATCH AND COLUMN REMOVAL OF CHROMIUM (VI) FROM AQUEOUS SOLUTION USING POLYPYRROLE
Environmental Engineering and Management Journal › Vol. 14 › Nr. 1 Abstract
The present study deals with the removal of Cr (VI) from aqueous solution by polypyrrole (PPy). Response surface methodology
(RSM) was applied for the design and analysis of experiments in the optimization of pH, temperature, initial concentration,
contact time and adsorbent dose during the removal of the Cr (VI). The optimum adsorbent dose, temperature, initial
concentration of Cr (VI), pH and contact time were found to be 0.8 g, 46.5 oC, 187.5 mg/L, 5.3 and 15.4 min respectively. ... Autori: Ehsan Hasani ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26614
MAGNITUDE OF DAMAGE EVENTS ON HYDROTECHNICAL TORRENT CONTROL STRUCTURES
Environmental Engineering and Management Journal › Vol. 14 › Nr. 1 Abstract
The objectives of this paper address the identification and statistical analysis of the laws underlying the variability of the
magnitude of the damages to torrent control structures induced by four of the most well-known events affecting their stability,
resistance and durability. The research set consists of 100 torrent control structures that have continuously functioned for almost
three decades in a managed torrential watershed in the forested mountainous area of Romania. In the ... Autori: Ioan Clinciu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26619
PRODUCT ECODESIGN IN COMPANIES WITH ISO 14001 CERTIFIED ENVIRONMENTAL MANAGEMENT SYSTEM
Environmental Engineering and Management Journal › Vol. 14 › Nr. 1 Abstract
Product eco-innovation based on ecodesign principles is based on the idea of including the environmental aspects of a product
over its entire life-cycle, thus providing the opportunity for manufacturing companies to intervene earlier during product
development processes. The aim of this study was to gather information and evaluate the situation regarding ecodesign within the
ISO 14001 certified medium and large manufacturing companies in the Republic of Slovenia by means of a questi... Autori: Gregor Radonjič ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26630
VOLATILES IN TĂMÂIOASĂ ROMÂNEASCĂ VIA SUPERCRITICAL FLUID EXTRACTION (SFE) ANALYSIS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 2 Abstract
Wine analysis is a complex process, requiring multiple techniques and very in-depth multidisciplinary knowledge. Moreover,
when talking about sensorial potent wines, like Muscat or Tămâioasă Românească (from aromatic Romanian grape variety), the
identification and characterization of its volatile compounds is achieved through different methods, most calling for powerful
solvents to separate the aroma substances.
Supercritical fluid extraction is a powerfu... Autori: Lucia Cintia Colibaba ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26641
INFLUENCE OF HYDROXYPROPYL-BETA-CYCLODEXTRIN ON THE PHYSICOCHEMICAL AND BIOLOGICAL CHARACTERISTICS OF A FLAVONE WITH IMPORTANT PHARMACOLOGICAL PROPERTIES
Environmental Engineering and Management Journal › Vol. 14 › Nr. 2 Abstract
The purpose of this study was to investigate the influence of hydroxypropyl-β-cyclodextrin on diosmin, substance from the
flavones category with important pharmacological properties. We carried out solubility studies, calculating the solubility constant
of the complex formed between diosmin and hydroxypropyl-cyclodextrin at various temperatures (20, 25 and 37 0C) and in the
presence of increasing cyclodextrin concentrations. AL type curves were obtained which suggest the format... Autori: Constantin Ciobanu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26643
EXPERIMENTAL STUDY ON THE AERATION OXYGENATION INTO PRINTING AND DYEING WASTEWATER USING JET AERATOR
Environmental Engineering and Management Journal › Vol. 14 › Nr. 2 Abstract
This study focused on the use of jet aeration to treat printing and dyeing wastewater. The related environmental factors
influencing the dynamical efficiency of a jet aerator were investigated. Results showed that an ideal linear relation existed
between dynamical efficiency and working pressure (R2 > 0.98), with dynamical efficiency decreasing gradually as the working
pressure increased. When the gas–liquid ratio was approximately 0.6:1 to 1.4:1, more bubbles were formed b... Autori: Chunsheng Le ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26664
CELLULOSE CELLETS AS NEW TYPE OF ADSORBENT FOR THE REMOVAL OF DYES FROM AQUEOUS MEDIA
Environmental Engineering and Management Journal › Vol. 14 › Nr. 3 Abstract
In the current study, the structural and adsorptive properties of the micro crystalline cellulose beads, Cellets 200 and 350, as well
as the possibility to use them as adsorbents for removal of reactive dye Brilliant Red HE-3B and cationic dye Methylene Blue
from aqueous solutions have been investigated. Batch experiments were conducted to study the effect of adsorbent particles size
(200-500 μm), initial solution pH (1-11), adsorbent dose, dye concentration, temperature (2-450C)... Autori: Daniela Suteu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26668
COMPARATIVE STUDIES ON KINETICS OF ANAEROBIC AND AEROBIC BIODEGRADATION OF LIPIDS FROM OLIVE OIL MILL WASTEWATERS WITH MIXTURE OF Bacillus spp. CELLS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 3 Abstract
The experiments on the olive oil mill wastewater treatment for removing the lipids by anaerobic and aerobic biodegradation with
mixed Bacillus spp. culture indicated that the rate of the aerobic process is up to two times higher than that of the anaerobic one.
In this context, it was found that the influence of the dissolved oxygen concentration on the lipids biodegradation process is
significant, but the kinetic model given in literature does not consider this parameter. Therefore,... Autori: Ramona Mihaela Matran ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26674
ENHANCING THE FENTON PROCESS BY UV LIGHT APPLIED IN TEXTILE WASTEWATER TREATMENT
Environmental Engineering and Management Journal › Vol. 14 › Nr. 3 Abstract
Nowadays, an efficient wastewater management involves the use of advanced treatment technologies able to decompose hardly
biodegradable compounds with reasonable costs at the lowest possible environmental impact. In our work we used one of the
most efficient advanced wastewater treatment, the Fenton reaction and its photo-assisted version. The hydrogen peroxide was the
oxidizer; despite its relatively high cost, its high activity in oxidizing of a large variety of organic persistent... Autori: Vasilica-Ancuta Simion ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26677
NON-POLLUTING MEDICAL TECHNOLOGY FOR ENVIRONMENT AND PATIENT USED IN INFLAMMATORY DISEASES MONITORING
Environmental Engineering and Management Journal › Vol. 14 › Nr. 4 Abstract
This paper presents a medical diagnosis method, based on the interaction of the infrared laser beam and the human body, in a
hospital environment, for inflammatory diseases, avoiding infected wastes. The main advantage of the laser bio-photometry is a
rapid localization of the inflammation source, deep under the skin up to 5 cm, in emergency cases, when there is not enough time
for classical medical procedures. Other advantages consist in the pollution absence for environment and pa... Autori: Ala Bondarciuc ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26696
BIODEGRADATION OF ATRAZINE BY FREE AND IMMOBILIZED CELLS OF Arthrobacter sp. STRAIN DNS10
Environmental Engineering and Management Journal › Vol. 14 › Nr. 4 Abstract
The main purpose of this research was to study the biodegradation ability of atrazine by using Arthrobacter sp. as free and
immobilized cells of the strain DNS10, under several important environmental factors such as temperature, pH, salinity, substrate
concentration. Furthermore, this paper objective was also to assess the process considering the immobilization under extreme
conditions, such as high salinity and high atrazine concentration. DNS10 was immobilized on a sodium alginat... Autori: Zhang Ying ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26702
EXTREME RISK ASSESSMENT METHODOLOGY (ERAM) IN AVIATION SYSTEMS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 6 Abstract
The research is focused on the relationship between aviation systems and extreme terrorist events, the impacts of such events, and
the solutions to manage the associated risks on medium and long term. The development of predictive models for extremeasymmetric
events in aviation (EAEA) still represents an emerging direction of interdisciplinary research because not all
mechanisms and interactions are understood. The testing of models is difficult due to lack of data and interpretatio... Autori: Catalin Cioaca ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26762
CHARACTERIZATION OF AGRICULTURAL DROUGHTS USING STANDARDIZED PRECIPITATION INDEX (SPI) AND BHALME-MOOLEY DROUGHT INDEX (BDMI)
Environmental Engineering and Management Journal › Vol. 14 › Nr. 6 Abstract
In order to verify the possibility of agricultural drought forecasting and prediction of agricultural yields in a given region, two
climatic indices were used to monitor drought: Standardized Precipitation Index (SPI) and Bhalme - Mooley Drought Index
(BMDI). For the case study were taken into account conditions in Oradea, from Crişurilor Plain, which is located in the Western
Romania. Evolution of dry periods determined by the two indices is similar but there are differences i... Autori: Nicu Cornel Sabău ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26766
LIQUID INJECTION TO ENHANCE BIOGAS PRODUCTION IN LANDFILLS FOR PRETREATED MUNICIPAL SOLID WASTES - BIO.LEA.R. PROJECT (LIFE+ PROGRAM)
Environmental Engineering and Management Journal › Vol. 14 › Nr. 7 Abstract
The Bio.Lea.R project aims to demonstrate the performance of a landfill for less reactive, biologically treated waste (pretreated
organic wastes) compared to a conventionally managed landfill, with regard to both environmental (biogas and leachate
production) and economic aspects. The objective is to control the pretreated biodegradable waste through a liquid injection in
order to achieve the same biogas quantity in a shorter time than in conventional landfill.
Laboratory and full ... Autori: Alberto Godio ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26784
PYROLYSIS OF WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT (WEEE) FOR RECOVERING METALS AND ENERGY: PREVIOUS ACHIEVEMENTS AND CURRENT APPROACHES
Environmental Engineering and Management Journal › Vol. 14 › Nr. 7 Abstract
The amount of collected Waste Electrical and Electronic Equipment (WEEE) in Europe is growing about 7 wt.-% per year (2007-
2012). It contains a number of economically relevant base, precious and high-tech metals. However, only a limited number of
these metals can be recovered by currently applied recycling processes. Especially high-tech metals like gallium, germanium and
tantalum get lost during the treatment of WEEE. The pyrolysis technology allows an accumulation of these metals... Autori: Peter Hense ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26785
DEALING WITH LCA MODELING FOR THE END OF LIFE OF MECHATRONIC PRODUCTS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 7 Abstract
This paper discusses end-of-life (EoL) modeling issues in Life Cycle Assessment (LCA), through the application to a domestic
cooker hood. Two EoL approaches are applied and discussed, namely the avoided burden and the one recommended by the
Product Environmental Footprint (PEF) Guide, presently under testing. While no case studies on PEF application have been
published yet, to the best of our knowledge, the scientific community is questioning the robustness and relevance of some
me... Autori: Francesca Reale ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26790
ADSORPTION OF SIMAZINE AND BOSCALID ONTO ACID-ACTIVATED NATURAL CLINOPTILOLITE
Environmental Engineering and Management Journal › Vol. 14 › Nr. 7 Abstract
It has been recently shown that acid activation enhances the ability of zeolitic tuffs to bind weak organic bases. More specifically,
tuff containing acid-resistant zeolites (i.e. clinoptilolite) exhibits higher sorption capacity than chabazite/phillipsite-rich tuff.
Based on the above considerations, we investigated in depth the adsorption behaviour of two pesticides onto acid-activated
clinoptilolitic tuff under different experimental conditions. The pesticides simazine and boscal... Autori: Stefano Salvestrini ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26791
MYCELIAL GROWTH AND ENZYMATIC ACTIVITIES OF WHITE-ROT FUNGI ON ANAEROBIC DIGESTATES FROM INDUSTRIAL BIOGAS PLANTS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 7 Abstract
Solid digestate (SD) represents an environmental problem due to the continuous increase of biogas production. In the present
study four white-rot fungal strains were screened for their ability to grow on two different SD samples, obtained from industrial
biogas plants, using wheat straw (WS) as a control medium. Results show that i) the feedstock used in the biogas plant influences
the time required for the colonization of the corresponding SD and ii) different fungal strains have d... Autori: Guglielmo Santi ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26792
FUNGAL LACCASES PRODUCTION USING TOMATO-BASED MEDIUM: A FACTORIAL DESIGN APPROACH
Environmental Engineering and Management Journal › Vol. 14 › Nr. 7 Abstract
This study was aimed to stimulate laccase production by Trametes pubescens MUT 2400 by using a tomato-based medium. Two
sequential 2x2 factorial designs were used to determine the effect of carbon (C) and nitrogen (N) source concentration on laccase
activity and biomass concentration; copper was used as the sole inducer (0.75 mM). Analysis of the first factorial design showed
that N had a strong positive effect on the maximum laccase activity, which occurred at day 12 of cultivation... Autori: Federica Spina ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26795
MODEL FOR LOSS ASSESSMENT DUE TO FLOOD IN THE LOWER YELLOW RIVER
Environmental Engineering and Management Journal › Vol. 14 › Nr. 8 Abstract
Large and frequent floods of the floodplain have caused huge loss to local residents in the lower reaches of the Yellow River. Since
1949, the population affected by the flood in the Yellow River has been about 8.87 million, and the submerged cultivated land area
has been about 25.6 million acres. In order to provide the basis for flood control and disaster mitigation, it is very important to
build a loss assessment model to evaluate flood damage. In this study, the relationship fun... Autori: Xianqi Zhang ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26816
QUANTITATIVE EVALUATION OF LANDSLIDE SUSCEPTIBILITY IN THE BÂRLAD BASIN
Environmental Engineering and Management Journal › Vol. 14 › Nr. 9 Abstract
Landslides constitute an abrupt and short-lived geomorphic risk phenomena, which may cause significant damages to human
made infrastructures or even claim human lives. The present study aims to assess landslide susceptibility, at regional scale, in the
Bârlad Basin, situated in eastern Romania. The subject is approached by means of logistic regression analysis, which is one of the
main methods employed for this purpose worldwide. A landslide inventory was carried out by digiti... Autori: Cristian Valeriu Patriche ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26846
HYDROLOGICAL EFFECT OF ARTIFICIAL DRAINAGE IN LOWLAND RIVER CATCHMENTS IN LITHUANIA
Environmental Engineering and Management Journal › Vol. 14 › Nr. 9 Abstract
Although in Lithuania artificial land drainage is a common water management practice, there are still concerns about its
downstream hydrological effects. Due to the complexity of flow driving factors, the hydrological effect of drainage is very
uncertain, making it difficult to determine its relative importance. Aiming to distinguish between the influence of drainage and
other factors in this study, the extent of changes of twenty hydrologic variables (flow magnitude, frequency, dur... Autori: Arvydas Povilaitis ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26848
EVALUATION OF SOURCE AND TRANSPORT OF PATHOGENIC MICROBES IN GROUNDWATER USING MICROBIOLOGICAL AND ISOTOPIC TECHNIQUES
Environmental Engineering and Management Journal › Vol. 14 › Nr. 10 Abstract
Isotopic composition and electrical conductivity (EC) of groundwater were analyzed to trace the source and transport of
pathogenic microbes in shallow and deep groundwater wells over a depth range from 9 m to 75 m below land surface (bls).
Stable isotopic composition was used for the identification of the source of water while environmental tritium contents were used
to estimate the time elapsed since the recharge of the groundwater. The results revealed that drain water contaminate... Autori: Anju Pant ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26851
ANALYZING THE PROPERTIES AS FERTILIZER OF ASH FROM OAK WOOD COMBUSTION
Environmental Engineering and Management Journal › Vol. 14 › Nr. 11 Abstract
Ash resulting from wood combustion constitutes a waste disposal problem to facility owners. The use of ash fertilizer or soil
amendment could provide nutrients for agriculture if its nutrient content is adequate and it does not contain harmful amounts of
heavy metals. The recycling of nutrients bound in ash would provide an inexpensive solution to waste problem. In our study, we
aimed to characterize ash and clinker resulted from incineration of oak waste resulted from wood industry... Autori: Ioan Oroian ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26885
FROM SEEDS TO BIODIESEL: EXTRACTION, ESTERIFICATION, TRANSESTERIFICATION AND BLENDING OF Jatropha curcas OIL
Environmental Engineering and Management Journal › Vol. 14 › Nr. 12 Abstract
The aim of this research was to find the optimal method of extracting oil from jatropha seeds and to discovery a technically
viable process in which high quality biodiesel can be produced. To begin with, the oil extraction yield obtained with solvent
extraction was 34%, using n-hexane in 2 hours. Then, the properties and fatty acid composition of jatropha oil were investigated.
We must emphasize that jatropha oil contains about 11% of free fatty acids (FFA), which is far beyond the ... Autori: Carmen María Fernández ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26909
BIO-MECHANICAL LEACHING OF URANIUM FROM LOW GRADE BLACK SHALE
Environmental Engineering and Management Journal › Vol. 14 › Nr. 12 Abstract
The present study was designed to determine the sound effects of ultrasonic treatment and the biologically mediated extraction of
uranium from low grade black shale. Low grade uranium was subjected to fungal treatments assisted by sonication by
conventional methods. In situ fungal leaching of black shale with different fungal strains in the presence of molasses as growth
substrate resulted in highest leaching yield of uranium by Phoma tropica (57.73%) compared to Penicillium chrysog... Autori: Fozia Anjum ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26919
EFFECT OF CLAY SOIL CONTENT ON FECAL BACTERIA REMOVAL IN AN INTERMITTENT MEDIA INFILTRATION SYSTEM
Environmental Engineering and Management Journal › Vol. 15 › Nr. 1 Water scarcity, the degradation of freshwater resources, and wastewater pollution are reaching crisis levels, especially in arid
regions of the world. The reuse of wastewater was investigated by using intermittent media infiltration (IMI) to evaluate fecal
coliform (FC) removal efficiency. Twelve IMI columns were packed with soil and natural filtering materials (sand, zeolite,
vermicompost and charcoal) at percentages of 25, 50 and 75. The municipal wastewater was treated for the FC analysis ... Autori: Sasirot Khamkure ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26935
WASTEWATER TREATMENT IN A CONSTRUCTED WETLAND FOLLOWED BY AN OXIDATION POND IN A RURAL AREA OF CHINA
Environmental Engineering and Management Journal › Vol. 15 › Nr. 1 The aim of this study was to examine the pollutant removal performance of a combined process using horizontal subsurface flow
constructed wetland (HFCW) and an oxidation pond (OP) in the treatment of a decentralized domestic wastewater. Waters along
the water flow and at different depths of the wetland substrate were sampled and analyzed during continuous operation. It was
found that the HFCW-OP combined system presented good organic matter and phosphorus removal capacity. In the first year,
... Autori: Wendong Wang ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26943
GEOMORPHOLOGICAL APPLICATIONS FOR SUSCEPTIBILITY MAPPING OF LANDSLIDES IN NATURAL PARKS
Environmental Engineering and Management Journal › Vol. 15 › Nr. 2 This work establishes a mapping procedure to determine the risk of susceptibility to hillside movements (landslides) that can be
applied to any territory by means of algebraic mapping of the passive or determining factors that influence risk. On the one hand,
derivative morphometric mappings obtained from a Digital Terrain Model that notably influence the genesis of active processes
have been generated; these mappings include gradient mapping, aspect mapping and type of curvature mapping. On ... Autori: Antonio Miguel Martínez-Graña ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26954
ANALYSIS OF OUTDOOR 222Rn AND 220Rn CONCENTRATION MEASURED AT BACAU, ROMANIA: A DETERMINISTIC STUDY
Environmental Engineering and Management Journal › Vol. 15 › Nr. 3 During three years, 2011-2013, time series of 222Rn (radon) and 220Rn (thoron) progeny concentration measured at Bacau,
Romania have been analyzed with different deterministic instruments in order to extract valuable information about their
deterministic behavior. The time series of data were obtained within the framework of the monitoring program performed by the
Environmental Radioactivity Monitoring Station, Bacau. Correlations with the deterministic nature of atmospheric temperature
and ... Autori: Marius Stamate ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26982
EVALUATION OF BAGASSE PITH AS A SKELETON BUILDER FOR IMPROVEMENT OF SLUDGE DEWATERING
Environmental Engineering and Management Journal › Vol. 15 › Nr. 4 High contents of colloidal and organic materials in municipal wastewater sludge cause problems in the process of dewatering.
The filtering efficiency can be improved by chemical conditioning, but the effectiveness of mechanical dewatering is limited
because flocculated sludge is highly compressible. Physical conditioners such as bagasse can be used to facilitate mechanical
dewatering. This paper describes the use of bagasse pith (cane sugar waste fiber) to improve the dewatering process of mu... Autori: Nematallah Jaafarzadeh ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26995
ARSENIC REMEDIATION OF AQUEOUS MEDIA USING PINUS ROXBURGHII SARG. (PINOPHYTA) BARK
Environmental Engineering and Management Journal › Vol. 15 › Nr. 4 The arsenic removal from aqueous medium was investigated through adsorption by employing finely powdered bark of Pinus
roxburghii Sarg. The batch mode laboratory scale experiments were conducted to investigate the removal efficiency of Pinus
bark against total arsenic and the effect of pH, contact time, adsorbent dose and initial adsorbate concentration on adsorption to
optimize the process. Langmuir and Freundlich isotherms were used to validate the adsorption data and respective constants w... Autori: Syed Hasnain Shah ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27013
STUDY ON THE BIODEGRADABILITY OF FeMnSi ALLOY
Environmental Engineering and Management Journal › Vol. 15 › Nr. 5 A biodegradable iron based alloy was obtained through classical melting method using a furnace with controlled atmosphere. The
metallic material was obtained from high purity materials using a proper obtaining method. The material is proposed as an
alternative to magnesium alloys that have a very fast degradation period for applications with longer healing periods (more than 3
and between 12 to 18 months). The material was analyzed using scanning electron microscopy (SEM) and X-ray dispersive... Autori: Sergiu Stanciu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27023
PHOTOCATALYTIC OXIDATION OF A HAZARDOUS PHENOLIC COMPOUND OVER TiO2 IN A BATCH SYSTEM
Environmental Engineering and Management Journal › Vol. 15 › Nr. 5 Recently, environmental scientists have been focused their attention on the occurrence and the elimination of specific organic
compounds in water. Among them, chlorophenols are considered to be a public health problem due to their carcinogenic
properties. Thus, there is an important need to find new strategies to efficiently transform these compounds to no toxic or inactive
by-products. In this work the photocatalytic removal of 2,4-dichlorophenol in water solution was investigated at laborat... Autori: Lidia Favier ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27034
OPEN AND GREEN INNOVATION IN THE HOSPITALITY INDUSTRY
Environmental Engineering and Management Journal › Vol. 15 › Nr. 7 Hospitality is the main industry in the service sector in Spain, contributing to more than 10% of the gross domestic product and
approximately 12% of all employees. Firms in this industry are beginning to adopt eco-innovations to reduce their environmental
impact and optimize the use of natural resources. However, most companies do not have the necessary resources to tackle ecoinnovation
on their own and need to cooperate with different agents. The purpose of this paper is to examine how open... Autori: Francisco José Sáez-Martínez ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27073
ENVIRONMENTAL SUSTAINABILITY IN THE MEDITERRANEAN DESTINATIONS: A LATENT CLASS SEGMENTATION ANALYSIS
Environmental Engineering and Management Journal › Vol. 15 › Nr. 7 This article addresses a cross-destination research to study a key issue for the growth and competitiveness of the tourism sector,
which is the perceived environmental sustainability of a destination. Particularly, a segmentation analysis is developed to
examine potential unobserved heterogeneity across tourists regarding their perception of environmental sustainability of the
destination. 918 tourists of five Mediterranean Sea Basin cities are studied using a latent class segmentation techni... Autori: Raquel Sánchez-Fernández ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27075
ENVIRONMENTAL RESPONSIBILITY AMONG SMEs IN THE HOSPITALITY INDUSTRY: PERFORMANCE IMPLICATIONS
Environmental Engineering and Management Journal › Vol. 15 › Nr. 7 There is an increasing social and political awareness of the importance of the development of an environmental responsibility
orientation among firms. However, despite a growing interest of environmental management research in Hospitality Industry in
the last decade, there are still relevant topics that have not received sufficient attention yet. Research tends to focus on large
companies almost neglecting Small and Medium-sized enterprises. Based on evidence from “The Eurobarometer 381... Autori: Ángela González-Moreno ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27078
BIOREMOVAL OF TRIVALENT CHROMIUM USING INDIGENOUS Bacillus species – A BIOFILM BASED APPROACH
Environmental Engineering and Management Journal › Vol. 15 › Nr. 7 Heavy metal pollution is a major source of aquatic contamination and has deleterious effect on the environment, therefore
treatment of the polluted sites and wastewater becomes very essential. Biofilm based bioremoval of heavy metals have been a
new area of research. Bacterial strains belonging to the genus Bacillus, isolated from chromium polluted soil (Palar river basin,
India) have been employed as consortium for Cr(III) removal from chrome tanning effluent. The bacterial isolates were fou... Autori: Aafreen Fathima ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27086
PROGRESSES IN ENVIRONMENTAL ENGINEERING CONCERNING THE RETENTION OF TOXIC WASTE FROM NEW PHARMACEUTICAL FORMS WITH ANTI-FUNGAL ACTION AND THE PROTECTION OF WASTEWATER QUALITY
Environmental Engineering and Management Journal › Vol. 15 › Nr. 7 Researching and industrializing a new pharmaceutical form results in an impressive amount of waste due to the methods used.
Despite numerous reports about the addition of pharmaceutical ingredients to the environment, the effect they have on the
environment at the nanogram (ng) level remains largely unknown; thus, it has been proposed to retain toxic compounds using
Dowex resins in biomucoadhesive tablets containing miconazole nitrate, an antifungal medication. This study demonstrates the
re... Autori: Magdalena Bîrsan ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27091
SEDIMENTOLOGY AND SEDIMENTARY ENVIRONMENT OF MEIGHAN PLAYA EVIDENCE FOR CLIMATE CHANGES IN IRAN
Environmental Engineering and Management Journal › Vol. 15 › Nr. 8 The main aim of this study is determination of sedimentology and sedimentary environment of Meighan Playa in the Markazi
province in Iran. The purpose was to obtain information of sedimentary data and 94 samples of the sediments were collected from
a wide range of Meighan playa in order to evaluate the conditions of deposition of the sediments in Meighan playa. With the goal
of conducting a detailed and comprehensive study of the sediments in the playa, an attempt was made to collect samples
... Autori: Mostafa Yousefi Rad ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27103
EVALUATION OF A PILOT-SCALE SEQUENCING BATCH BIOFILTER GRANULAR REACTORS (SBBGR) SYSTEM FOR MUNICIPAL WASTEWATER TREATMENT
Environmental Engineering and Management Journal › Vol. 15 › Nr. 9 Sequencing Batch Biofilter Granular Reactors (SBBGRs) represent an innovative technology; coupling granular and attached
biomass and operating in a batch mode. These systems allow good removal rates with low sludge production and space requirement.
A particular application, consisting of an aeration unit and an upflow SBBGR in series, has been tested at pilot scale. The pilot
system was installed at a conventional activated sludge plant and fed with average-strength urban wastewater after pre... Autori: Paolo Cirello ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27123
RAPESEED MEAL: AN AGRO-WASTE FOR CHEAP/LOW COST LACCASE PRODUCTION
Environmental Engineering and Management Journal › Vol. 15 › Nr. 9 Rapeseed meal (RM) is an abundant and cheap by-product of oil extraction process. RM is a rich source of nitrogen, carbon, and
minerals. Thanks to these features, RM has a striking potential for eco-friendly production of high value products in
biotechnological processes.
In this study, the possibility of using a low-cost medium based on the water soluble fraction of RM for laccase production by the
fungus Pleurotus ostreatus has been evaluated and compared with the use of synthetic complex ... Autori: Lucia Guarino ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27129
ACCUMULATION OF ANTIBIOTICS AND TET RESISTANCE GENES FROM SWINE WASTEWATER IN WETLAND SOILS
Environmental Engineering and Management Journal › Vol. 15 › Nr. 10 The accumulated characteristics of typical veterinary antibiotics (tetracyclines, sulfonamides, quinolones and macrolides) and
tetracycline resistance (tet) genes in the different wetland soils (Krasnozem and Chernozem), and the effects from Phragmites
australis were evaluated in this study. Results indicated that the concentrations of targeted antibiotics and tet genes in soils with
swine treatment would increase as time progressed. The tet genes and targeted antibiotics (except sulphonamide... Autori: Lin Liu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27145
MONITORING BEHAVIORAL RESPONSES OF ZEBRAFISH (Danio rerio) AS A BIOMARKER FOR IDENTIFYING CADMIUM AND DELTAMETHRIN IN WATER
Environmental Engineering and Management Journal › Vol. 15 › Nr. 10 This study investigated the different behavioral responses of zebrafish (Danio rerio) under sudden stress from two types of
chemicals (heavy metals and insecticides) and explored the correlations of behavioral responses and several well-known
biomarkers. Adult zebrafish were exposed to cadmium (Cd) and deltamethrin for 5 hours. An increase in avoidance speed and
turning frequency was first detected behavioral response. The duration of hyperactivity was almost 50 min in the deltamethrin
expos... Autori: Yi Huang ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27149
PILOT FIELD DEMONSTRATION OF WOODCHIP BIOFILTERS IN THE TREATMENT OF SEPARATED PIG MANURE DIGESTATE
Environmental Engineering and Management Journal › Vol. 15 › Nr. 10 Three pilot-scale biofilters consisting of 1 m aerobic woodchip layers and 0.5 m submerged woodchip layers were constructed to
treat the separated pig manure anaerobic digestate (SAD). Reductions of 54% dry matter, 80% of chemical oxygen demand
(COD), 93% of 5-day biochemical oxygen demand (BOD5), 86% of total nitrogen (TN) and 79% of total phosphorus (TP) were
achieved. The study results confirm the occurrence of nitrification in the aerobic woodchip layers and denitrification in the
submer... Autori: Kathy Carney ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27161
ANALYSIS AND IMPROVEMENT TECHNIQUES FOR THE TRANSFER FUNCTION OF A PLANAR LOW – PASS FILTER
Environmental Engineering and Management Journal › Vol. 15 › Nr. 12 In this paper new techniques for the analysis and improvement of the transfer function of a low-pass filter made in planar
electromagnetic technology are proposed. The low pass filter is a fundamental element of the filter used for conduction
electromagnetic interferences suppression. For this purpose, in order to determine the filter’s transfer function, 3D
electromagnetic CAE (Computer Aided Engineering) are coupled with simulation software programs which use equivalent
electric circ... Autori: Adina Racasan ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27198
BIODEGRADATION KINETICS OF MIXED MICROBIAL CULTURE UTILIZING 1,1-DCE AS THE SOLE CARBON SOURCE
Environmental Engineering and Management Journal › Vol. 15 › Nr. 12 The mixed microbial culture, isolated from the aerobic sludge was used to study biodegradation of 1,1-DCE as the sole carbon source in batch flasks. 1,1-DCE initial concentration in the medium was varied from 100μg/L to 1000μg/L. The maximum removal rate of 1,1-DCE was 89.2% obtained at 400μg/L 1,1-DCE concentration in the medium. The biodegradation kinetics of 1,1-DCE was found to follow three-half-order model at all initial 1,1-DCE concentrations with regression values greater than 0.... Autori: Shizong Wang ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27219
PRODUCTION OF MICROBIAL LIPIDS FROM TOMATO WASTE TO BE USED AS FEEDSTOCK FOR BIODIESEL
Environmental Engineering and Management Journal › Vol. 16 › Nr. 1 In this study, the oleaginous yeasts cultured in tomato waste hydrolysates (TWH) to produce microbial lipids that offer a suitable alternative to vegetable oils as feedstock for the biodiesel synthesis. The TWH were prepared by acid hydrolysis (2.5% H2SO4). To obtain higher growth rates, as well as higher lipid contents, Lipomyces starkeyi were cultured under original nitrogen content (TWHON), lower nitrogen content (TWHLN), attained by alkaline precipitation of TWHON followed by centrifugation ... Autori: Abu Yousuf ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27226
DEGRADATION OF CONCENTRATED TOLUENE VAPORS IN A UV/O3PROCESS COMBINED WITH BIOTRICKLING FILTRATION
Environmental Engineering and Management Journal › Vol. 16 › Nr. 1 This study compared performance of the O3/UV process and biotrickling filtration as standalone and combined system on elimination of toluene from a waste gas stream. The performance of the bench scale O3/UV reactor was investigated with inlet toluene concentration of 650 ppmv and reaction time of 7.5 s. The results demonstrated that the combined O3/UV process degraded 34.1% of toluene under the selected conditions. The biotrickling filter had a maximum elimination capacity of 125.6 g/m3.h, corre... Autori: Gholamreza Moussavi ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27228
EFFECT OF WATER HYACINTH MULCH ON SOIL TEMPERATURE, WATER CONTENT AND MAIZE YIELD (Zea mays L.) IN SOUTHEAST CHINA
Environmental Engineering and Management Journal › Vol. 16 › Nr. 1 Maize (Zea mays L.) is considered one of the most popular grain crops in China. Among various agricultural technologies, soil mulching is the one that is used more and more in recent years. Mulches influence the soil temperature, retard the loss of soil water, and limit the growth of weeds; and these are important factors in the production of maize. A two-year field experiment was carried out at Shanghai, in southeast of China, in order to evaluate the effects of water hyacinth residues as mulch... Autori: Dayong Xu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27229
A STUDY ON THE DETERMINATION OF CUMULATIVE ABSOLUTE VELOCITY (CAV) THRESHOLD LEVELS FOR VRANCEA EARTHQUAKES
Environmental Engineering and Management Journal › Vol. 16 › Nr. 1 Natural disasters from earthquakes can cause considerable damages, with potentially severe effects to urban environment. Last strong Vrancea earthquake on March 4, 1977 (Mw=7.4, depth=95km); tens of thousands of buildings damaged, many people injured and dead. Strong earthquakes in the Vrancea zone occur between 60-200 km depth within an almost vertical column. Bucharest Earthquake Early Warning (EEW) system detects earthquakes with a seismic network in the epicentral Vrancea region and issue a ... Autori: Hakan Alcik ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27235
EFFICIENCY OF A FISHPOND AT EAST CALCUTTA WETLANDS IN IMPROVEMENT OF WATER QUALITY
Environmental Engineering and Management Journal › Vol. 16 › Nr. 2 The Storm Water Flow (SWF) and the Dry Weather Flow (DWF) canals carry composite industrial and municipal effluent (nearly 50,000 m3 d-1) from Kolkata city. Wastewater from SWF and DWF canals is used for pisciculture at the East Calcutta Wetland (ECW) for nearly a century. A wastewater fed pisciculture pond was selected to study the efficiency of the pond in treatment of wastewater. Monthly changes of hydraulic variables viz. inflow and outflow rates, depth, hydraulic loading rates, detention ti... Autori: Abhishek Roy Goswami ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27255
THE GOVERNANCE OF MAJOR INNOVATION IN THE WATER CYCLE. EXAMINING THREE PROMINENT TECHNOLOGIES
Environmental Engineering and Management Journal › Vol. 16 › Nr. 3 The growing absolute and relative water scarcity requires drastic change in the water cycle in order to target an efficient and robust water supply. The water cycle consists of the production of water, water use, collection of wastewater and its treatment. This article addresses whether the market is capable of adopting such radical changes as needed, which hindrances have to be navigated and whether and how policy could help. This is done by assessing the roles of three prominent new technologi... Autori: Kris Lulofs ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27270
DEVELOPMENT OF A VERSATILE WATER QUALITY INDEX FOR WATER SUPPLY APPLICATIONS
Environmental Engineering and Management Journal › Vol. 16 › Nr. 3 Water quality index is an essential tool for water quality assessment. Considering the frequent use of automated water quality monitoring systems, their importance in generating data and information for the efficient management of water treatment plants, the design of such an index would allow the detection of point-pollution episodes, which otherwise would occur undetected and would have a significant impact on the water quality and its further treatment. In this study, a versatile weighted wat... Autori: Ioana Gabriela Dascalescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27271
WATER POLLUTION STATUS OF SIRET RIVER IN PASCANI TOWN AREA DUE TO DIFFERENT DOMESTIC AND WASTEWATER TREATMENT ACTIVITIES (WINTER SEASON)
Environmental Engineering and Management Journal › Vol. 16 › Nr. 3 The paper discusses the pollution status in the case of an important NE Romanian watercourse (Siret River) in Pascani town area based on the analysis of some water quality indicators (pH, temperature, dissolved oxygen, organics (COD and BOD5), conductivity, fixed residues, nitrogen-based nutrients (N-NH4+, N-NO3-, N-NO2-), phosphates, total phosphorus (P), total calcium (Ca2+), magnesium (Mg2+), iron (Fe2+, Fe3+), turbidity and suspended solids content) measured at three local strategic control ... Autori: Carmen Zaharia ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27281
ADAPTIVE MANAGEMENT FOR SUSTAINABLE DEVELOPMENT OF AMARA LAKE (S-E ROMANIA)
Environmental Engineering and Management Journal › Vol. 16 › Nr. 3 The Amara Lake is located at the south-eastern part of Romania. It is a shallow lake with an average depth of 3m and average extent of 1.32 km2, having a particular importance for the area in which is situated. This importance derives from its main functions in the ecosystem, namely: source of food, shelter and breeding place for almost 54 bird, balneary tourism attraction and jobs for the residents of Amara who live in the northern part of the lake. Under these conditions, the sustainable devel... Autori: Ofelia Axinte ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27282
GROUNDWATER RESPONSE TO CHANGES IN PRECIPITATIONS IN NORTH-EASTERN ROMANIA
Environmental Engineering and Management Journal › Vol. 16 › Nr. 3 Changes in the climatic and hydrological variables in North-Eastern Romania indicate that the region has mostly a common evolution in terms of precipitation and hydrostatic level of groundwater. This can influence human communities in the region, given that sources of public water supply are predominantly from underground. In the analysed region with more than 8.000 sqm, 50% of the population lives in the rural area, where the main water supply source is provided by the underground water, mainly... Autori: Ionuț Minea ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27284
INFLUENCE OF SOME PROPERTIES CONCERNING WATER STABLE AGGREGATES OF SALINE SOILS
Environmental Engineering and Management Journal › Vol. 16 › Nr. 5 According to literature, aggregate stability of soils is influenced by: particle size and soil texture, soil structure, content of Ca2+ and Mg2+, mineral clay type, soil content of organic matter, soil processing degree. This paper aims to investigate the influence of some physical, microbiological and chemical properties of saline soil concerning water-stable aggregate. The hydro system stability of the aggregates appears in the specialized studies as having a positive correlation with microorg... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27300
EFFICIENT CHLORINATION SCHEDULE FOR A WATER DISTRIBUTION NETWORK WITH MULTIPLE PUMPING STATIONS
Environmental Engineering and Management Journal › Vol. 16 › Nr. 5 The present study proposes a chlorination schedule calibrated for the Drinking Water Distribution Network (DWDN) of Buzau - a medium sized city, in South-Eastern Romania. The numerical model of Buzau's DWDN was set up in EPANET, considering the main pipes of the network that interconnect 4 pumping stations and 45 booster stations (viewed here as end-users). The calibration of the numerical model was based on real-time recordings available for January and July 2014. The chlorination schedulin... Autori: Sanda-Carmen Georgescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27301
BEHAVIOUR OF Miscanthus AT CUTTING SHEAR WITH STRAIGHT KNIVES WITH DIFFERENT EDGE ANGLES
Environmental Engineering and Management Journal › Vol. 16 › Nr. 5 This paper presents some experimental results regarding mechanical behaviour at shear cutting Miscanthus x giganteus stem with an oblique blade of different edge angles. Experimental determinations were performed using samples of about 30 mm in length and a medium diameter of about 6.3 mm to 8.9 mm. The biomass was cut with three bevel cutting blades of 30 degrees, with a tool angle of 10, 30 and 50 degrees, fitted on an equipment used for mechanical experiments type Hounsfield, with a working s... Autori: Georgiana Moiceanu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27317
MITIGATION OF HAZARDOUS AIR POLLUTANT EMISSIONS: VACUUM vs. CONVENTIONAL SEWER SYSTEM
Environmental Engineering and Management Journal › Vol. 16 › Nr. 4 The efforts to quantify gas emissions from wastewater handling have omitted the conveyance along sewers, lift stations, and
manholes. This article compared the conventional system with the vacuum system based on sewer gas emissions. The goal of the study was to determine the emissions of methane, hydrogen sulphide, carbon dioxide and carbon monoxide at the level of the wet-wells of the conventional system and the exhaust of the vacuum system before and after the bio-filtration process by way of... Autori: Iulia Carmen Ciobotici Terryn ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27326
HEAVY METALS AND GAMMA RADIOACTIVITY BIOACCUMULATIONIN Artemisia absinthium L. GROWN ON A WASTE DUMP
Environmental Engineering and Management Journal › Vol. 16 › Nr. 4 In the current context of industrialization, chemical and radioactive pollution is a concern for environmental protection and
interference with human health. Care for environmental protection also includes vegetation that grows spontaneously in
potentially contaminated places, thus avoiding illness among the population if consumed. The study area is located at 4.5km SSE from downtown Bacău City, Romania and is the result of the manufacture of H3PO4 through the wet method. In this study, t... Autori: Mioara Săndulache Rachieru ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27331
METHOD FOR IMPROVING THE MANAGEMENT OF MINE VENTILATION NETWORKS AFTER AN EXPLOSION
Environmental Engineering and Management Journal › Vol. 16 › Nr. 6 During the development of an underground explosion phenomenon, due to the energy of dynamic wave, important mechanical effects are registered both in the affected mine workings and in ventilation constructions (stoppings and seals, ventilation doors, regulators and air crossings). An explosion directly affects the ventilation network by modifying specific operational parameters
of the main fans. This creates a different natural post event repartition of the air flows, at the branch level. In or... Autori: Marius Cornel Șuvar ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27367
OPTIMIZATION OF SOLID STATE FERMENTATION PROCESS FOR PROTEIN ENRICHMENT OF POTATO STARCH RESIDUE WITH MIXED STRAINS
Environmental Engineering and Management Journal › Vol. 16 › Nr. 7 This study was to optimize the fermentation process for protein enrichment of potato starch residue (PSR) by solid state fermentation with mixed strains. Three single-factor experiments were conducted to optimize the fermentation conditions, and a Plackett-Burman design followed by a central composite design of response surface methodology was investigated to optimize the medium constituents. The optimal fermentation conditions were fermentation temperature 28°C, fermentation period 72 h and... Autori: Heng Lei ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27380
EFFECT OF FUEL TREATMENTS ON CROWN FIRE BEHAVIOR IN ALEPPO PINE FORESTS OF GREECE: A SIMULATION STUDY
Environmental Engineering and Management Journal › Vol. 16 › Nr. 7 This study models the potential effect of various fuel treatments on crown fire behavior by using two crown fire simulation models in Aleppo pine (Pinus halepensis Mill.) stands. Fuel complex characteristics that influence fire behavior were measured in a representative Aleppo pine stand in northern Greece, using standard surface and canopy fuel inventory methods. Nine different
fuel treatments (control, prescribed burning, controlled grazing, thinning without slash removal, thinning with slash... Autori: Ioannis D. Mitsopoulos ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27382
BIOPHYSICAL FACTORS AFFECTING THE ANAEROBIC DIGESTION OF WASTE COOKING OIL IN MODEL SYSTEMS
Environmental Engineering and Management Journal › Vol. 16 › Nr. 8 The anaerobic digestion (AD) of fat-containing waste is often prolonged in time and problematic. Differences in AD performances could rely in a different probability for microorganisms to access the substrate. The aim of this study was to study the AD of waste cooking oil (WCO) with a biophysical approach. Two laboratory experiments were carried out using model systems consisting of WCO + hydration medium (HM) in 100 mL, static, in-batch reactors. In the first experiment, we assumed the WCO to H... Autori: Francesca Fiume ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27409
WATER FOOTPRINT APPLIED TO CONSTRUCTION SECTOR
Environmental Engineering and Management Journal › Vol. 16 › Nr. 8 Water footprint is an indicator of freshwater use that looks not only at direct water use of a consumer or producer, but also at
indirect water use; it can be regarded as a comprehensive indicator of freshwater resources appropriation, next to the traditional
and restricted measure of water withdrawal. It could be counted in terms of the sum of direct and indirect water costs in all
processes and input-output analysis to detailed water used in all plant.
In this paper, the application of the... Autori: Agata Matarazzo ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27410
PRELIMINARY ANALYSES ON AN ALGAE-BASED WATER SCRUBBER FOR SYNGAS CLEANSING
Environmental Engineering and Management Journal › Vol. 16 › Nr. 8 Common issues of the gasification systems relate to filtering apparatus. Dry filtering processes are simple and reliable. However,
the filtering material defines the maximum and minimum temperature at which the filter can operate properly. In addition, dry
filtration is not effective on light tar compounds (i.e. benzene and toluene) or ammonia compounds. On the other hand, despite
being very efficient, wet filters drop the gas temperature below the line of condensation of tar, ammonia and ste... Autori: Giulio Allesina ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27412
DECOLORIZATION OF p-DIMETHYLAMINOBENZAL-RHODANINE UNDER PHOTOCATALYTIC PROCESS BY USE OF TITANIUM DIOXIDE NANOPARTICLES AT VARIOUS BUFFER pHs
Environmental Engineering and Management Journal › Vol. 16 › Nr. 9 This paper presents the decolorization of p-Dimethylaminobenzalrhodanine using titanium dioxide nano-particles under
photocatalytic process at various buffer media under air atmosphere. Several effective agents including nano-photocatalyst
loading, illumination time, pH of medium and initial dye concentrations have been subjected to be estimated. Furthermore,
kinetic investigations of photocatalytic process fitted the pseudo-first-order kinetic for dye decolorization at all considered buffer
... Autori: Morteza Montazerozohori ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27423
THE EFFECT OF SOCIO-ECONOMIC PARAMETERS ON WASTE GENERATION AT COUNTY LEVEL
Environmental Engineering and Management Journal › Vol. 16 › Nr. 9 The paper evaluates the effect of selected socio-economic parameters on the generation of municipal waste in Podlasie Province
of north-eastern Poland. The study was made over the eight year period (2001-2008) and seventeen separate counties were
analyzed. Principal component analysis (PCA) as a multivariate statistical method was used for filtering the data so that only the
significant independent variables could be determined. The first component explained over the 54% of waste production v... Autori: Izabela Anna Talalaj ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27431
PREDICTING ACID ROCK DRAINAGE FROM A NICKEL MINE WASTE PILE AND METAL LEVELS IN SURROUNDING SOILS
Environmental Engineering and Management Journal › Vol. 16 › Nr. 9 Acid-base accounting was applied to evaluate the acid generating potential of waste rock dumps of different ages at a nickel mine
in Zimbabwe. Metal concentrations in soils surrounding the dumps were also assessed. The net neutralising potential (NNP) of
waste rock samples was derived from the maximum potential acidity (MPA) and the neutralising potential (NP). MPA and NP
were determined based on total sulphur and acid consumption respectively. Waste rock dumps (WRDs) had more (p<0.05)
su... Autori: Artwell Kanda ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27437
SUSTAINABLE SUPPLY CHAIN MANAGEMENT IN MALAYSIAN SMEs: PERSPECTIVES FROM PRACTITIONERS
Environmental Engineering and Management Journal › Vol. 16 › Nr. 9 This study was aimed at eliciting the perception of practitioners on sustainable supply chain management in small and medium
enterprises (SMEs). A total of 15 companies from the SMEs in Malaysia were selected. 5 of these companies serve as suppliers
to larger firms within and outside Malaysia, another 5 as manufacturers, and the rest as reverse logistics companies (collectors
and recycling plant operating companies). All the companies were selected based on their involvement in sustainable su... Autori: Ezutah Udoncy Olugu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27440
DOES AN ENVIRONMENTAL MANAGEMENT SYSTEM PROMOTE ENVIRONMENTAL PROTECTION: A QUALITATIVE STUDY OF LEBANESE FIRMS
Environmental Engineering and Management Journal › Vol. 16 › Nr. 10 Globalization and a growing awareness of environmental issues are compelling firms to adhere to international environmental
standards. Lebanese manufacturing industries are increasingly pressured to integrate environmental standards, mainly the ISO
14001 certification, in order to access - enter and compete - international markets. Although the ISO 14001 model is proposed to
promote continual environmental improvement, the standard does not specify definite requirements for environmental
per... Autori: May A. Massoud ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27450
OPTIMIZATION OF OPERATIONAL CONDITIONS FOR NITRITE ACCUMULATION IN A SUBMERGED BIOFILTER
Environmental Engineering and Management Journal › Vol. 16 › Nr. 10 The partial nitrification bioreactor (PNBR) was operated at a constant temperature and an influent synthetic wastewater pH of 35°C and 8.5, respectively. The effects of dissolved oxygen concentrations (DO), hydraulic retention times (HRT), and the nitrogen loading rates (NLR) on the ammonium removal efficiencies and the NO2-N/NOx-N ratio were investigated. The activity of nitrite oxidizing bacteria was stimulated at high DO concentrations. The highest NO2-N/NOx-N ratio of 0.76 was obtained a... Autori: Sukru Aslan ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27455
ENHANCED COAGULATION FOR ALGAE REMOVAL IN A TYPICAL ALGERIA WATER TREATMENT PLANT
Environmental Engineering and Management Journal › Vol. 16 › Nr. 10 This work aims to study the physicochemical and biological parameters of Boukerdene Dam’s water and treated water at
different steps of the treatment processes in Sidi-Amar’s Station (Tipaza, Algeria) with a particular interest to the phytoplankton.
This work is also related to the demonstration of the enhanced coagulation (EC) process as an efficient method in algae and
organic matter (OM) removal from surface water by its application in jar tests. The diversity of the phytoplank... Autori: Djamel Ghernaout ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27459
COMPARATIVE STUDY OF URBAN AND RURAL ATMOSPHERIC AEROSOLS IN AND NEAR BUCHAREST, ROMANIA
Environmental Engineering and Management Journal › Vol. 16 › Nr. 10 The temporal variation of the pollutant (PM10) levels over urban and rural sites in and near Bucharest was investigated from March 2014 until September 2015. The comparison between the PM10 mass concentration values at urban site and those from referential urban station of Environmental Protection Agency of Bucharest allowed us to detect certain pollution events. Considering this purpose the optical parameters characterizing the loading of the atmosphere (Aerosol Optical Depth-AOD) and the type ... Autori: Gabriela Manolache ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27467
TREATMENT OF WASTEWATER WITH A HIGH C/N RATIO IN SEQUENCING BATCH BIOREACTOR (SBBR) CONTAINING BIOCARRIER
Environmental Engineering and Management Journal › Vol. 16 › Nr. 11 Wastewater treatment using sequencing batch reactor (SBR) has certain advantages over conventional activated sludge system. The performance of sequencing batch reactor in treating high C/N ratio was investigated with suspended polyurethane and polystyrene attached growth biomass configuration. A sequence of 4 hr HRT, 0.3 month SRT and 1kg COD/m3 was employed to study treatment efficacy. Treatment performance was assessed by means of chemical oxygen demand (COD), total nitrogen (TN) and total pho... Autori: Beenish Saba ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27478
TREATMENT OF MUNICIPAL WASTEWATER WITH CALCIUM PHOSPHATE: A NEW PHYSICOCHEMICAL PURIFICATION STEP
Environmental Engineering and Management Journal › Vol. 16 › Nr. 11 An apatitic calcium phosphate gel (HaG) was elaborated and used to treat municipal wastewater in a physicochemical cycle prior to the standard biological degradation process. Preliminary laboratory batch experiments outlined the kinetics of heavy metal sorption by monitoring the concentrations found in filtered fractions as a function of treatment time. On site experiments were performed in a municipal wastewater treatment plant by derivation of real wastewater into an experimental tank. In this... Autori: Nathalie Lyczko ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27488
STUDY ON SEDIMENT EVOLUTION OF THE LOWER YELLOW RIVER BASED ON WAVELET ANALYSIS
Environmental Engineering and Management Journal › Vol. 16 › Nr. 11 Studying on evolution law of sediment concentration in the lower Yellow River, revealing the evolution cycle and the relationship with the grain size of sediment have an important guiding significance for the governance of sediment in the Lower Yellow River. Based on the sediment data concentration of four important hydrological stations, Huayuankou, Gaocun, Aishan and Lijin, in the lower Yellow River. The evolution of the sediment sequence cycle were studied using Morlet wavelet analysis the co... Autori: Xianqi Zhang ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27491
PHENOL TOLERANCE AND BIODEGRADATION OPTIMIZATION OF Serratia marcescens NSO9-1 USING PLACKETT-BURMAN AND BOX-BEHNKEN DESIGN
Environmental Engineering and Management Journal › Vol. 16 › Nr. 11 The phenol degradation capacity of Serratia marcescens NSO9-1 isolated from olive mill wastewater was evaluated and optimized in this study. Plackett-Burman design coupled with Box-Behnken methodology was used to evaluate the effects of medium components and significant parameters on phenol degradation by this relevant strain. According to Plackett-Burman-based statistical screening, seven of the eleven components of the medium had a significant effect on the metabolism of phenol degradation. Th... Autori: Nurdan Saraç ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27495
A COMPARISON STUDY OF WATER FILTERING MATERIALS MADE FROM EXTRACTED PALM FRUIT FIBRE AND PALM KERNEL SHELL
Environmental Engineering and Management Journal › Vol. 16 › Nr. 12 The use of activated carbon as filter media for water has gained research attractions over the years. A comparison study of
granular activated carbon (GAC) of extracted palm fruit fibres (EPF), palm kernel shell (PKS) with existing filter material (EFM)
commercially produced activated carbon for water filtration has been conducted. Palm kernel shells and extracted palm fruit
fibres from palm oil mill wastes were processed to form activated carbon by chemical activation process. Scanning Elect... Autori: Jamaliah Idris ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27498
INFLUENCE OF CHANNEL TRAFFIC AND KOYCEGİZ LAKE ON THE WATER QUALITY OF DALYAN CHANNEL NETWORK
Environmental Engineering and Management Journal › Vol. 16 › Nr. 12 Köyceğiz-Dalyan Lagoon is situated in the southwestern region of Turkey. The area between the Köyceğiz Lake and the sea is covered with four small lakes and numerous canals. The Dalyan Channel network connects lake to the Mediterranean Sea is one of the most important reproduction areas for Mediterranean Sea turtles. The objectives of the present study are to evaluate the influence of channel traffic and Köyceğiz Lake on the water quality of Dalyan Channel by evalua... Autori: Başak Kılıç Taşeli ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27507
CASTOR LEAF POWDER AS A BIOSORBENT FOR Cu(II) REMOVAL AND PRECONCENTRATION OF NATURAL WATER SAMPLES
Environmental Engineering and Management Journal › Vol. 17 › Nr. 1 This paper describes the preparation and use of a low cost biosorbent made of castor leaves for the extraction of Cu(II) from an
aqueous medium. The biosorbent was characterized by Fourier transform infrared spectroscopy (FTIR), surface area and pore
diameter measurements. The results showed absorption bands of carboxylic and amide groups at 1738 and 1540 cm-1,
respectively, and the measured surface area was 1.3728 ± 0.0160 m2 g-1, with predominance of microporous < 10.51 Å.
... Autori: Milene S. Pereira ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27540
HRT EFFECT ON SIMULTANEOUS COD, AMMONIA AND MANGANESE REMOVAL FROM DRINKING WATER TREATMENT SYSTEM USING A BIOLOGICAL AERATED FILTER (BAF)
Environmental Engineering and Management Journal › Vol. 17 › Nr. 1 Three different hydraulic retention times (HRTs) were investigated for NH4+-N and Mn2+ removal using an upflow biological aerated system (BAF) as a new approach in drinking water treatment system. Currently in Malaysia, there is no specific treatment for NH4+-N and Mn2+ in drinking water treatment plant. BAF is a well known system in biological treatment for wastewater but not for drinking water treatment. This study showed that at 24 hours operation of BAF system, about 91.3% of COD, 94.4% of N... Autori: Hassimi Abu Hasan ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27543
BIOGAS PRODUCTION FROM CORN BIOETHANOL WHOLE STILLAGE: EVALUATION OF TWO DIFFERENT INOCULA
Environmental Engineering and Management Journal › Vol. 17 › Nr. 5 According to EU Strategy for the Baltic Sea Region, Lithuania obligates to ensure sustainable growth, gain and maintain good condition of marine environment until 2020. In accordance with the sustainability approach, every potential cost and energy cutting as well as social sustainability measure for wastewater treatment should be explored. Nonetheless, Lithuania wastewater treatment plants (WWTP) in the sustainability context have never been evaluated before. A comprehensive set of 30 sustainab... Autori: László Gyenge ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27578
SUSTAINABILITY ASSESSMENT OF THE WASTEWATER TREATMENT PLANT IN THE BALTIC SEA REGION: A CASE STUDY IN LITHUANIA
Environmental Engineering and Management Journal › Vol. 17 › Nr. 5 According to EU Strategy for the Baltic Sea Region, Lithuania has to ensure sustainable growth, gain and maintain good condition of marine environment until 2020. In accordance with the sustainability approach, every potential cost and energy cutting as well as social sustainability measure for wastewater treatment should be explored. Nonetheless, Lithuania wastewater treatment plants (WWTP) in the sustainability context have never been evaluated before. A comprehensive set of 30 sustainable dev... Autori: Jolanta Dvarionienė ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27583
GAS HOLD UP IN THE CULTIVATION OF A PETROLEUM-DEGRADING BACTERIAL CONSORTIUM
Environmental Engineering and Management Journal › Vol. 17 › Nr. 5 The hydrodynamic behavior of bubble column bioreactors (BCB) is strongly dependent on the bubbly flow regime. Therefore, the influence of superficial gas velocity (Ug) and Sauter mean diameter (d32) on gas hold up (εg) was evaluated for the cultivation of a petroleum-degrading consortium. Hydrodynamic parameters were determined by photographic techniques. Also, the biomass cultivation was quantified by suspended solids formation (SS). Our findings indicated that the d32 increased at high... Autori: Olivia Tzintzun-Camacho ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27597
MULTIVARIATE STATISTICAL ANALYSES OF DANUBE RIVER WATER QUALITY AT GALATI, ROMANIA
Environmental Engineering and Management Journal › Vol. 17 › Nr. 5 This paper presents the research on the temporal variability of water quality parameters for the most important river system in Romania and Europe – Danube River. The data on the river water quality had been obtained during ten years. The investigation was systematic and complex. Using the Kolmogorov-Smirnov test, and traditional statistical methods based on correlation matrix - Principal Component Analysis (PCA) and Factor Analysis (FA), and ANOVA all the samples data sets were classified... Autori: Paula Popa ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27601
EFFICIENCY AND CO2 EMISSION OF HEAT ENGINES OPERATING WITH HYDROGEN RICH GAS (HRG) ADDITION
Environmental Engineering and Management Journal › Vol. 17 › Nr. 6 The effects of gas addition on efficiency and CO2 emission were investigated with a compression ignition (CI) engine and a spark ignition (SI) engine operating with hydrocarbons-based fuels. Hydrogen rich gas (HRG) provided by an electrolyze, was aspirated into the air stream inducted in the engine cylinders. Investigation was conducted at engine light and medium loads and speeds, with relative low concentrations of HRG. For the CI engine, HRG addition up to 12.5% energetic fraction in fuel lowe... Autori: Gheorghe Niculae ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27606
OPTIMIZATION OF WASTEWATER BASED MEDIA FOR BIOPOLYMERS PRODUCTION BY Rhizobium leguminosarum
Environmental Engineering and Management Journal › Vol. 17 › Nr. 6 The present work aimed to optimize a new economic medium for biopolymers production by Rhizobium leguminosarum. Biopolymers were poly-β-hydroxybutyrate and exopolysaccharide (EPS and PHB). They were extensively used in various industrial sectors. Statistical experimental designs and Response Surface Methodology were employed to optimize the medium components. A central composite design was applied to increase the production yield and predict the optimal values of the selected factors. An op... Autori: Mohamed Sellami ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27609
DEGRADATION OF CHLOROTHIAZIDE IN ACIDIC AQUEOUS SOLUTION BY ELECTRO-FENTON PROCESS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 6 The aim of this study is the treatment of Chlorothiazide in an aqueous medium by Electro-Fenton process using a Platinum anode. This pharmaceutical product is used to treat hypertension. Removal rates and mineralization efficiency have been analyzed under different operational conditions. Degradation kinetics well fitted to a pseudo–first–order reaction. Apparent rate constant of the oxidation of Chlorothiazide by electrochemically generated hydroxyl radicals was determined to be 9.4... Autori: Saied Taieb ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27616
SUSTAINABLE KNOWLEDGE BASED ORGANIZATIONS DEFINITION AND CHARACTERISTICS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 6 In the context of globalization, the economic environment started to be more dynamic, complex and uncertain. As a result, some
managers focused on developing sustainable organizations while others became preoccupied with creating knowledge based firms.
But sustainability and knowledge aren’t as different as it seem; knowledge is a resource and sustainability concentrates on the
rational use of resources. As a consequence, this article aims to highlight what a sustainable knowledge based... Autori: Ramona - Diana Leon ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27618
GROWTH OF Phormidium bigranulatum-DOMINATED MAT IN RELATION TO NATURE OF THE SUBSTRATUM, TIME, pH AND NUTRIENT AVAILABILITY
Environmental Engineering and Management Journal › Vol. 17 › Nr. 2 The growth of a non-axenic Phormidium bigranulatum-dominated mat was tested under a range of chemical parameters and types of substrate. Total biomass yield (in term of mg chlorophyll a) of mats grown on muslin cloth (0.64 mg) and cotton mesh (0.62 mg) were significantly higher than those on other substrates, such as, nylon net (0.50 mg), sands of river Sone (0.43 mg) and river Ganga (0.30 mg), rice husk (0.38 mg) and saw dust (0.21 mg). The Phormidium mat would be easy to handle in bioremdation... Autori: Dhananjay Kumar ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27635
BIODEGRADATION OF CHLORPYRIFOS AND 3,5,6-TRICHLORO-2-PYRIDINOL BY FUNGAL CONSORTIUM ISOLATED FROM PADDY FIELD SOIL
Environmental Engineering and Management Journal › Vol. 17 › Nr. 3 Pesticides are considered among the most serious environmental pollutants, frequently used in the control of agricultural and
domestic pests. Biodegradation of chlorpyrifos and its 3,5,6-trichloro-2-pyridinol (TCP) derivative was studied in mineral medium
and soil with fungal consortium consisting of JAS1 and JAS4 strains which were isolated from paddy field soil. The fungal
consortium was spiked with 300 mg l-1 chlorpyrifos which was degraded completely within 12 h of incubation in the miner... Autori: Jayanthi Abraham ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27655
DIMENSION AND STRUCTURAL TRAITS OF SOIL MICROPORES IN CULTIVATIONS DIFFERING IN THE DURATION OF ORGANIC MANAGEMENT
Environmental Engineering and Management Journal › Vol. 17 › Nr. 7 The objectives of this study were to investigate: a) whether the duration of organic farming influences the dimension, shape and geometry (fractal dimension) of soil micropores (<50μm) and b) for relationships of morphometric traits with certain chemical and biochemical soil variables (microbial biomass, N- and C-mineralization rates, NH4+, NO3-, organic C and N, extractable P, Mg+2, K+, Ca+2). We compared soil micromorphometric traits (area, perimeter, compactness, solidity, eccentricity)... Autori: Nikolaos Monokrousos ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27682
ENVIRONMENTAL PERFORMANCE OF SAJOR-CAJU MUSHROOM PRODUCTION BASED ON FARM SIZES IN THAILAND
Environmental Engineering and Management Journal › Vol. 17 › Nr. 7 Unlike other vegetables, mushroom production requires several substrate ingredients, energy to sterilize the substrate, water to humidify the fruiting house and waste management of the spent substrate and used materials. This work studied the environmental impacts and eco-efficiency of sajor-caju mushroom (Pleurotus sajor-caju (Fr.) Sing.) production in terms of climate change potential, acidification potential, water depletion potential and fossil fuel depletion potential, using life cycle asse... Autori: Siriprapa Ueawiwatsakul ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27685
VERTICAL DISTRIBUTION AND POTENTIAL MOBILITY OF HEAVY METALS IN NEW AND OLD TAILINGS OF A LEAD/ZINC SULFIDE MINE
Environmental Engineering and Management Journal › Vol. 17 › Nr. 7 Sulfide bearing mine tailings generated through mining and processing of mineral ores is one of the serious problems around the world due to their potential environmental hazards. Current study focuses on vertical distribution and potential mobility of metals in New and Old tailings of a Lead and Zinc mining area of India. Mine tailing profiles sampled from New (0-500mm) and Old tailing (0-400mm) dams were chemically (pH, EC, Carbonate content, Cd, Pb, Zn and Mn levels) and mineralogically (usin... Autori: Malik Anju ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27690
SURVEY OF INDUSTRIAL WASTEWATER TREATMENT PERFORMANCE WITH BIOLOGICAL MONITORING OF PROTOZOA IN THE INDUSTRIAL PARK OF ABADAN
Environmental Engineering and Management Journal › Vol. 17 › Nr. 7 Industrial wastewater is of particular importance. In most wastewater treatments, physicochemical parameters are used to determine the performances which are costly while protozoa can be used as less expensive biological indicators to determine the efficiency of the treatment plant. The purpose of this study was to investigate the relationship between protozoa and physic-chemical characteristics of the Abadan wastewater treatment industry.
Samples were collected from wastewater stabilization po... Autori: Abotaleb Bay ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27694
RESPONSE OF UPLAND COTTON GENOTYPES TO SALINITY AT EARLY GROWTH STAGES
Environmental Engineering and Management Journal › Vol. 17 › Nr. 8 Salt tolerance was studied in eight upland cotton cultivars (CIM-446, CIM-473, CIM-496, CIM-499, CIM-506, CIM-554, CIM-707 and SLH-284) under four NaCl salinity concentrations (50, 100, 150 and 200 mM) and control. Significant (p≤0.01) variations were observed among cultivars, salinity concentrations, and cultivar by salinity interactions for various growth traits and ions (K+ and Na+) accumulation in dry shoot and root tissues. As compared to control, the growth variables were decreased by i... Autori: Zarina Bibi ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27778
TOLUENE BIOFILTRATION AS AFFECTED BY RYEGRASS ROOTS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 8 Gaseous toluene biofiltration as affected by ryegrass (Lolium perenne L.) roots was investigated in this study. The results revealed that the populations of bacteria, actinomycetes were larger in the ryegrass rhizosphere than in the bulk soil since ryegrass provided root exudates as major nutrients available for the microorganisms. An increase in the microbial populations in a ryegrass-growing biofilter would significantly stimulate toluene biodegradation in comparison with a vegetation-free bio... Autori: Zhongjun Xu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27772
CONCENTRATIONS OF PETROLEUM HYDROCARBONS AT DIFFERENT DEPTHS OF SOIL FOLLOWING PHYTOREMEDIATION
Environmental Engineering and Management Journal › Vol. 17 › Nr. 9 Petroleum hydrocarbons not only are toxic to humans and other living organisms, but will also pollute groundwater. It is thus critical to decrease the concentration of these pollutants in soil. Phytoremediation is an effective way to remove toxic compounds from soil. The current study used sorghum (Sorghum bicolor (L.) Moench) and barley (Hordeum vulgare) to reduce petroleum hydrocarbon content of contaminated soil around Isfahan Oil Refinery (Isfahan, Iran) and assessed the concentrations of pe... Autori: Farida Iraji Asiabadi ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27741
REAL TIME MONITORING OF HYDROLOGICAL VARIABLES FOR OPERATIVE LANDFILL STABILITY AND PERCOLATION FLUX CONTROL
Environmental Engineering and Management Journal › Vol. 17 › Nr. 10 Leachate production and management are recognized as one of the greatest problems associated with environmentally operations for landfills. Variations in leachate quality and quantity are related to rainfall depth and its infiltration processes into landfill.
This work examines important hydrological problems of the Scarpino site (Genoa, northern Italy), a garbage dump which covers the valley of a first order flash creek with a surface of 100 hectares, located in one of the rainiest area of Ita... Autori: Marco Mancini ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27788
SPENT COFFEE GROUNDS FROM COFFEE VENDING MACHINES AS FEEDSTOCK FOR BIOGAS PRODUCTION
Environmental Engineering and Management Journal › Vol. 17 › Nr. 10 Large amounts of spent coffee grounds (SCG) are currently available all over the world due to the enormous increase in coffee consumption. This increase has in turn to be related to the even greater diffusion of coffee vending machines. The aim of this study was to evaluate the biomethanation potential (BMP) of SCG alone or in co-digestion with pig slurry (PS). Pig slurry was chosen because it is frequently utilized as feedstock for biogas production from agricultural waste. The raw material was... Autori: Ciro Vasmara ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27794
CONTROL MEASURES FOR Cyanobacteria AND Cyanotoxins IN DRINKING WATER
Environmental Engineering and Management Journal › Vol. 17 › Nr. 10 Algal bloom can represent a serious consequence of the eutrophication of surface water. Some of these algae, called cyanobacteria, are of particular interest for their effect on human health due to their capacity to produce cyanotoxins. In many countries, in fact, there are important problems of poisoning attributed to toxic cyanobacteria and contamination of water sources (specially lakes) resulting in increased cyanobacterial growth. Cyanobacteria can become particularly harmful for humans whe... Autori: Sabrina Sorlini ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27800
INFLUENCE OF STIRRING SPEED AND GAS-TO-LIQUID RATIO ON ACTIVATED SLUDGE PERFORMANCE IN CARBAMAZEPINE ELIMINATION USING RESPONSE SURFACE METHODOLOGY AND PRINCIPAL COMPONENT ANALYSIS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 12 Activated sludge (AS) is the mainly used biological process in water treatment; therefore, assessing the influence of various operating conditions on this process is relevant. This study aimed to evaluate at laboratory-scale the influence of the gas-to-liquid volume ratio (RG/L) and the stirring speed (SS) on the biodegradation of carbamazepine (CBZ) by activated sludge. For this purpose, a central composite design (CCD) was used in association with response surface methodology (RSM). Batch cult... Autori: Samer Semrany ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27869
CHEMICAL SONOREACTORS IN ENVIRONMENTAL APPLICATIONS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 12 Ultrasounds has a wide range of active applications spreading in solid, liquid and gaseous mediums, embedded in new methods and technologies for preventing, reducing and removing of existing pollution.
This paper deals with the sonochemistry reactors and their combinations with photocatalysis and electrochemistry. Various parameters such as ultrasound frequency, power, number of ultrasound sources, lab-scale or large-scale equipment used for environmental applications of sonochemical reactors h... Autori: Ioan Iordache ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27867
PHYSIOLOGICAL, PHYLOGENETIC AND FUNCTIONAL IDENTIFICATION OF CRUDE OIL-DEGRADING MICROBIAL POPULATIONS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 11 In this study, nine microbial strains with oil-degrading function were isolated from oil-contaminated soil near four oil wells in the 0.6 km2 area of the Jinnan Oil Field, Huaian, Jiangsu, China (32°57′ N, 119°02′ E). Based on morphological observations, physiological and biochemical responses, and molecular identification, we confirmed that the nine strains belong to five genera: Pseudomonas, Raoultella, Lysinibacillus, Escherichia, and Klebsiella. The degradation capacity o... Autori: Yujia Liu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27848
VARIETY BEHAVIORS OF DEPTH AND SURFACE FILTER MEDIA WITH THE AGES FOR PLEATED FILTER CARTRIDGES
Environmental Engineering and Management Journal › Vol. 17 › Nr. 11 The aim of this study is to investigate a variety behaviors of two kinds of media (multiple-layer structures and multiple-layer structures combined with surface treatment, such as finer fibers) with ages using a scanning electron microscope (SEM) and to determine the effect of fabric microstructures on cake formation and pulse cleaning. The results show that fine particles are readily deposited on the surface and inside depth filter medium. The fine fibers with diameters (~0.08 microns, this val... Autori: Yan Cuiping ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27842
LABORATORY INVESTIGATION ON THE PURIFICATION OF FOOD WASTEWATER BY FREEZE CONCENTRATION
Environmental Engineering and Management Journal › Vol. 17 › Nr. 11 This study was carried out to determine the feasibility of applying a freeze concentration technique to rarefy milking wastewater
using either a stationary wastewater vessel (the first series of tests) or a rotary ice–making machine (the second series of tests). In
this study, we investigated the impact of freezing temperature, initial milking wastewater concentration and vessel depth upon the
removal rate of chemical oxygen demand (COD). Results show that when the freezing temperature ... Autori: Yingjie Dai ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27845
DO ENERGY MANAGEMENT SYSTEMS ADD VALUE TO FIRMS WITH ENVIRONMENTAL MANAGEMENT SYSTEMS?
Environmental Engineering and Management Journal › Vol. 18 › Nr. 1 Integration of the management of energy and environmental systems was suggested by the scholarly literature in the early phase of
dissemination of ISO 14001, as a potential way to improve the environmental performance of companies. Nevertheless, there has
been little empirical work reported in the literature that explores this proposition in depth, or sheds light on relevant issues such as
the additional effect of an Energy Management System when an Environmental Management Systems has previo... Autori: Iker Laskurain ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27876
PRECONCENTRATION OF METHYLENE BLUE WASTEWATER USING THE LAYER CRYSTALLIZATION TECHNOLOGY
Environmental Engineering and Management Journal › Vol. 18 › Nr. 1 This study was carried out to determine the feasibility of applying a freeze-concentration technique to purify wastewater polluted
with dye, such as methylene blue (MB) using a stationary wastewater vessel. In this study, we investigated the impact of freezing
temperature, initial MB wastewater concentration and vessel depth upon the removal ratio of MB. Results showed that when the
freezing temperature was decreased (from –5 °C to –15 °C), the freezing rate increased. The... Autori: Yingjie Dai ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27878
INORGANIC CARBON ACQUISITION BY Gracilaria edulis AND ITS EFFECT ON GROWTH
Environmental Engineering and Management Journal › Vol. 18 › Nr. 2 The utilization of inorganic carbon by the red macroalgae, Gracilaria edulis (G. edulis) was investigated in this study. G. edulis
were grown in brackish water aerated with varying concentration of carbon dioxide - 350 ppm (actual atmospheric carbon dioxide,
CO2), 700 ppm and 1400 ppm CO2 gas. Higher growth rate was observed in culture medium aerated with 1400 ppm CO2 and the
lowest growth rate was observed at actual atmospheric carbon concentration. Besides that, significant pH drift was obs... Autori: Lavania-Baloo ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27900
WASTEWATER SEPARATION FROM GYPSUM SUSPENSIONS AND THE MANAGEMENT OF RESULTING WASTE
Environmental Engineering and Management Journal › Vol. 18 › Nr. 2 In this work, the examination of separation of gypsum from wastewater generated during the machining of casts and the method of
waste gypsum management have been presented. This waste gypsum is produced in Ortolab Poland facilities. Gypsum casts are
cut and ground in water-cooled circular saws. Wastewater, with over-normative content of suspension, 10000 mg L-1 and sulphates,
1600 mg L-1 is produced in the process. The analysis of water and wastewater management in Ortolab Poland facilities l... Autori: Ewa Liwarska-Bizukojc ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27910
OCCUPATIONAL HEALTH AND SAFETY CONDITIONS IN SMALL MEDIUM SIZED ENTERPRISES OF IRON FURNITURE MANUFACTURING UNITS
Environmental Engineering and Management Journal › Vol. 18 › Nr. 3 This study was planned to identify factors which affect workers health and their safe working in unregistered and partially registered
small iron units preparing 90- 95 % iron furniture under sheds. Focused group discussions (FGD) were conducted among workers
of iron furniture manufacturing units (IFMU) employing a cross sectional, descriptive, analytic and time limited study. Personal
interviews methodology was adopted to assess workers for their exposure to occupational risks, protective eq... Autori: Saima Aslam Bharwana ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27925
Environmental engineering and Management Journal No. 3
› Vol. 14 › Nr. 4 • ENVIRONMENTAL CHANGES IN NORTH-EASTERN ROMANIA A TRIGGER FACTOR FOR LYME DISEASE
• HYDROGEOCHEMISTRY AND ENVIRONMENTAL ISOTOPE COMPOSITIONS AND THEIR EVOLUTION IN GEOTHERMAL GROUNDWATER IN YIZHANG, HUNAN PROVINCE, CHINA
• CONSTRUCTION OF A BIOGAS HEAT STORAGE GREENHOUSE ECOSYSTEM UNDER THE CONTEXT OF WATER POLLUTION RESULTING FROM LIVESTOCK BREEDING
• ENVIRONMENTAL NOISE: HEALTH AND POLICY - AN UP TO DATE MINIREVIEW &nb... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27946
Environmental engineering and Management Journal No. 3
› Vol. 14 › Nr. 4 • ENVIRONMENTAL CHANGES IN NORTH-EASTERN ROMANIA A TRIGGER FACTOR FOR LYME DISEASE
• HYDROGEOCHEMISTRY AND ENVIRONMENTAL ISOTOPE COMPOSITIONS AND THEIR EVOLUTION IN GEOTHERMAL GROUNDWATER IN YIZHANG, HUNAN PROVINCE, CHINA
• CONSTRUCTION OF A BIOGAS HEAT STORAGE GREENHOUSE ECOSYSTEM UNDER THE CONTEXT OF WATER POLLUTION RESULTING FROM LIVESTOCK BREEDING
• ENVIRONMENTAL NOISE: HEALTH AND POLICY - AN UP TO DATE MINIREVIEW &nb... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27947
RESEARCH ON AQUATIC POLLUTION LEVEL OF MALEIA RIVER BY SIMULATION IN COMPUTATIONAL FLUID DYNAMICS
Environmental Engineering and Management Journal › Vol. 18 › Nr. 4 Watercourses that transit rural / urban areas are susceptible to the phenomenon of aquatic pollution due to various types of polluting
species. The important issues of river pollution and of polluting species dispersion, require an approach with predictive tools (models
for transport of polluting species) which can evaluate the performance of depollution measures/actions to reduce pollution and to
take optimal management decisions. Thus, from January 2017 to May 2017, a monitoring investigati... Autori: Lorand Toth ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27967
Environmental engineering and Management Journal No. 3
› Vol. 14 › Nr. 6 • ENVIRONMENTAL CHANGES IN NORTH-EASTERN ROMANIA A TRIGGER FACTOR FOR LYME DISEASE
• HYDROGEOCHEMISTRY AND ENVIRONMENTAL ISOTOPE COMPOSITIONS AND THEIR EVOLUTION IN GEOTHERMAL GROUNDWATER IN YIZHANG, HUNAN PROVINCE, CHINA
• CONSTRUCTION OF A BIOGAS HEAT STORAGE GREENHOUSE ECOSYSTEM UNDER THE CONTEXT OF WATER POLLUTION RESULTING FROM LIVESTOCK BREEDING
• ENVIRONMENTAL NOISE: HEALTH AND POLICY - AN UP TO DATE MINIREVIEW &nb... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27968
INDOOR AIR QUALITY ISSUES. CASE STUDY: THE MULTIPURPOSE SPORTS HALL OF THE UNIVERSITY OF ORADEA
Environmental Engineering and Management Journal › Vol. 17 › Nr. 12 The present paper is a multidisciplinary investigation of the indoor air quality inside the Multipurpose Hall of the University of Oradea, based both on specific monitoring and questionnaire-based survey to identify people’s perception in this regard. The monitoring, carried out during October-November 2016 when the heating did not work, was focused on: relative air temperature and humidity (Thermohygrometer data logger Klimalogg Pro), carbon dioxide (CO2) (Extech Instruments CO250 model a... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27981
ANT INTELLIGENT APPLIED TO SEWER NETWORK DESIGN OPTIMIZATION PROBLEM: USING FOUR DIFFERENT ALGORITHMS
Environmental Engineering and Management Journal › Vol. 18 › Nr. 5 In this paper, four different kinds of the Ant Colony Optimization Algorithm (ACOA) are used to find optimal solution for sewer
network design optimization problem proposing two different formulations for each of them. In both proposed formulations, the
decision variables of the problem are cover depths of sewer network nodes. In the second formulation, the constrained version of
ACOA is used to find optimal cover depths of the sewer network nodes. The constrained version of ACOA is used here... Autori: Ramtin Moeini ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27987
THE USE OF SOIL HYDRAULIC PROPERTIES AS INDICATORS FOR ASSESSING THE IMPACT OF MANAGEMENT PRACTICES UNDER SEMI-ARID CLIMATES
Environmental Engineering and Management Journal › Vol. 18 › Nr. 5 Water retention capacity and hydraulic conductivity are major soil hydraulic properties that influence soil quality and the
environment. The objective of this work was to assess major soil hydraulic characteristics in response to the effect of soil
management and tillage practices. Eight soil treatments were considered: conventional tillage, reduced tillage, no-tillage, fallow notillage,
abandoned soil, compacted soil, plough on compacted soil, and application of super absorbent polymers. The... Autori: Fereshte Haghighi Fashi ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27996
EFFECTS OF ENVIRONMENTAL FACTORS ON THE BIOMASS OF BENTHIC DIATOM IN RIVERS
Environmental Engineering and Management Journal › Vol. 18 › Nr. 5 This paper aims to disclose the quantitative relationship between benthic diatom biomass in natural rivers and environmental factors.
For this purpose, the author selected seven natural rivers in the basin of Minjiang River as the objects. First, the samples of benthic
diatoms and the environmental factors were collected from 14 different sampling sites of five rivers and the diatom density and
Chlorophyll a (Chl a) content were selected to characterize the diatom biomass. Then, the number of... Autori: Baichuan Zhang ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28001
PHOTOAUTOTROPHIC PRODUCTION OF POLY-Β-HYDROXYBUTYRATE (PHB) FROM CYANOBACTERIA: NITRATE EFFECTS AND SCREENING OF STRAINS
Environmental Engineering and Management Journal › Vol. 18 › Nr. 6 The polyhydroxybutyrate (PHB) production by photoautotrophic cultures is a potential eco-sustainable process to produce
bioplastics. The biosynthesis of PHB by cyanobacteria meets a twofold target: the use of CO2 as feedstock alternative to the fossil
resource used in the conventional processes; the contribution to the reduction of the CO2 concentration in the atmosphere. This
contribution reports results of a study regarding the optimal growth conditions for cyanobacteria to produce PHB unde... Autori: Roberta Carpine ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28021
STUDY ON PREDICTION MODEL OF SPACE-TIME DISTRIBUTION OF AIR POLLUTANTS BASED ON ARTIFICIAL NEURAL NETWORK
Environmental Engineering and Management Journal › Vol. 18 › Nr. 7 Along with the development of industrialization and urbanization, the pollution of the atmosphere increases and the air quality
decreases gradually, especially in the developed regions such as Beijing, Tianjin and Hebei in China. The frequent occurrence of
haze leads to the decrease of visibility day by day, which causes great inconvenience to people’s mind and body. Therefore, an indepth
study of regional weather quality impact factors can improve the air quality in the regions, which ... Autori: Zhuang Wu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28043
REHABILITATION OF HYDROTECHNICAL STRUCTURES IN THE ACTUAL CONDITIONS OF CLIMATE AND ANTHROPIC CHANGES
Environmental Engineering and Management Journal › Vol. 18 › Nr. 7 In the eastern part of Romania, there are a lot of reservoirs of water whose age exceeds 30-40 years. They were built taking into
account the existing norms and the specific environmental conditions at that time.
Over time, there have been numerous changes in the parameters that define how these water reservoirs are exploited, which have
questioned their safety in operation. The deforestation that has taken place over the last 30 years in Romania and the climate change
have led to the emerge... Autori: Petru Cercel ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28046
ASSESSMENT OF CORROSION INHIBITORY EFFECT OF Ruta chalepensis FLAVONOID EXTRACTS ON API 5L X52 STEEL IN 1M HCL MEDIUM
Environmental Engineering and Management Journal › Vol. 18 › Nr. 9 The development of green eco-friendly inhibitors for the corrosion of metallic surfaces in acid media is still considered as a major challenge and target for corrosion-mitigation engineers. We have prepared in this work 4 different extracts from the plant Ruta Chalepensis using methanol, chloroform, ethyl acetate, and aqueous ethyl acetate solvent systems. The flavonoids content, as well as the other oxygenated compounds, in the 4 extracts was carefully screened using the gas chromatographic&nda... Autori: Meryem Amal Benghalia ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28063
SPATIAL ASSESSMENT OF SOIL SALINITY BY ELECTROMAGNETIC INDUCTION SURVEY
Environmental Engineering and Management Journal › Vol. 18 › Nr. 9 Salinization occurs in natural conditions as a result of a complex of factors such as climate, topography, and hydrogeology. Salinity principally occurs in sub-humid to arid regions but secondary salinization is a consequence of direct human activities it extends by the day. In the field, soil salinity is deduced from apparent electrical conductivity (ECa) by using a range of devices. Although a number of proximal sensors have recently been used worldwide to simplify fieldwork, few studies using... Autori: Mihai Buta ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28069
A NEW TOOL FOR THE EVALUATION OF CO2 EMISSIONS FROM ROAD TRAFFIC: A CASE STUDY IN CLUJ-NAPOCA, ROMANIA
Environmental Engineering and Management Journal › Vol. 18 › Nr. 9 In the past years, there has been great interest in developing tools for an effective management including the evaluation of the
impact of different policies on decreasing greenhouse gas emissions (CO2) and other transport pollutant-related emissions,
especially in the urban areas. This paper represents a first attempt to study a new approach to identify criticalities of pollutant
emissions associated with road traffic in urban areas. The tool we propose concerns the development of an emissio... Autori: Rozalia Melania Boitor ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28070
SMART WATER AND SOIL-SALINITY MANAGEMENT IN AGRO-WETLANDS
Environmental Engineering and Management Journal › Vol. 18 › Nr. 10 Soil salinization is becoming worldwide one of the most serious land degradation issues. Seawater intrusion in upper aquifers is responsible for the largest proportion of salt-affected agricultural lands in coastal areas. In this study, the impact of different irrigation strategies on the salinity of a maize cultivated field located in the coastal plain of Ravenna, Italy, was simulated with the FAO AquaCrop model. Model calibration was supported by comparison with remote-sensed and field collect... Autori: Marinella Masina ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28088
THE INFLUENCE OF FIRES ON THE BIOLOGICAL ACTIVITY OF FOREST SOILS IN VRANCEA, ROMANIA
Environmental Engineering and Management Journal › Vol. 18 › Nr. 12 Soils are influenced by stand composition and hydrological regime as well as by stress abiotic factors, including forest fires. As such, this study analyzed three stands affected by fires of different severities. Soil samples were gathered during the spring of 2017 from three sample areas in Vrancea County, eastern part of Romania. For each area studied, soil profiles were studied in 3 areas affected by fires and in control areas located close to each other. The soil respiration was determined b... Autori: Aurelia Oneț ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28120
STUDY OF VOLATILE COMPOUNDS OF ROMANIAN RED WINES AGED WITH OAK CHIPS
Environmental Engineering and Management Journal › Vol. 19 › Nr. 2 Wine aroma plays an essential role and can be considered one of the most important attributes of the overall wine quality. Generally, aroma is a remarkable complex chemical matrix comprising compounds from various chemical classes (alcohols, esters, acids, aldehydes, lactones, phenols, terpenes, ketones, norisoprenoids, etc.). Although some studies tackle wine aroma in general, the chemical changes attributed to wine aroma during the ageing process are still poorly understood.
In this study, th... Autori: Georgiana-Diana Dumitriu Gabur ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28151
STUDY OF DIFFERENT LIQUID MEDIA INFLUENCE ON Arthrospira platensis MICROALGAE CULTIVATION FOR ENVIRONMENTAL APPLICATIONS
Environmental Engineering and Management Journal › Vol. 19 › Nr. 2 Growth rate and biomass yield in the case of Arthrospira platensis depend on nutrient availability, temperature and light, which can determine changes in the metabolism and therefore in the biomass composition. The aim of this study is to evaluate the behavior of A. platensis during the growing time in several liquid culture media and their influence on the yield of biomass production. The
following culture media have been investigated in this sense: ARS, Zarrouk (Z), modified Zarrouk (MZ), eco... Autori: Mariana Diaconu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28163
STUDY OF HEAVY METAL DYNAMICS IN SOIL
Environmental Engineering and Management Journal › Vol. 19 › Nr. 2 The paper covers the results of a study, carried out during 2005 and 2018, regarding the impact of sludge dump of a wastewater treatment plant from Iasi city, Romania, on the soil characteristics. Experimental research was conducted to highlight the evolution of the heavy metal content of both the material in the storage site and the soil in its proximity. The following heavy metal concentrations were analyzed with atomic adsorption spectrometry method: Zn, Ni, Cr, Pb, Co, Cu and Cd. Research ha... Autori: Georgiana Cezarina Bartic Lazăr ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28164
OUTLIER ROBUST IDENTIFICATION OF THE THERMAL POWER PLANT: COMBUSTION CONTROL AND VIBRATORY TRANSPORT
Environmental Engineering and Management Journal › Vol. 19 › Nr. 3 The goal of this paper is to contribute to environmental improvement. This goal has been achieved by the development of an algorithm that allows the optimization of fuel consumption and transport of combustion products. The paper considers the outlier – robust recursive algorithm. This algorithm is used for identification of multivariable ARMAX (Autoregressive Moving Average with Exogenous Variables) models. In this paper, we introduce pseudo-Huber loss function which is a continuous nonli... Autori: Vojislav Filipovic ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28167
TURKISH ARCHITECTS’ VIEWS ON CONSTRUCTION AND DEMOLITION WASTE REDUCTION IN THE DESIGN STAGE
Environmental Engineering and Management Journal › Vol. 19 › Nr. 3 Waste is one of the main environmental problems of the twenty-first century. The construction industry plays a critical role in this problem. Reducing construction and demolition (C&D) waste to a minimum is crucial considering its negative impacts on nature, human health and economies. Determining designers’ awareness levels about the fact that the majority of waste generated in all life stages of buildings are largely based on design-related decisions and this waste can be reduced in ... Autori: Burcu Salgın ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28172
PERFORMANCE INVESTIGATION OF FURNACE BOTTOM ASH AS A FILTER MEDIA FOR PHOSPHATE REMOVAL
Environmental Engineering and Management Journal › Vol. 19 › Nr. 4 This study investigates the capability of furnace bottom ash (FBA) as a filter media for phosphorus removal from wastewater
effluents. Lab-scale studies were conducted, in which a mass of FBA was brought into contact with the phosphate solution (a
predominant form of phosphorus in wastewater) in batch experiments and lab-scale filter. Intraparticle Diffusion Model (IPD) was
applied and revealed that the mechanism of phosphate adsorption onto FBA consist of three phases; film phase occurred in... Autori: Ali Alzeyadi ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28191
CLAY COMPOSITE WATER FILTERS: THE CASE OF FLUORIDE, NITRITE AND Escherichia coli REMOVAL
Environmental Engineering and Management Journal › Vol. 19 › Nr. 4 Inorganic ceramic materials is receiving more attention in recent times due to their unique characteristics which include
different pore structures, hydrophilic surfaces, high chemical, thermal and mechanical stabilities that offer avenues for application
in water treatment. In the present work, cost-effective clay ceramic water filters of different designs were developed from clay (50,
60, and 70) %, sawdust (15, 20, 25, and 35) %, grog (5, 10 and 15)% ratios plus 5% bone char by volume and ... Autori: Enyew Amare Zereffa ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28196
DECONTAMINATION OF PESTICIDE RESIDUES IN WATER SAMPLES USING COPPER AND ZINC CO-DOPED TITANIA NANOCATALYST
Environmental Engineering and Management Journal › Vol. 19 › Nr. 5 Copper and Zinc co-doped titania nano photocatalyst (Cu-Zn-TiO2 NPC) was fabricated and characterized using room temperature X-ray diffraction (XRD), field emission electron microscopy (FESEM) with high-resolution transmission electron microscopy (HRTEM) and energy dispersion X-ray (EDX). X-ray diffraction studies of the Cu2+-Zn2+/TiO2 show the presence of anatase phase
TiO2 and in the sample prepared from 0.05, 0.10, 0.15 and 0.20 mmol have also shown the presence of anatase phase only. The ph... Autori: Tentu Nageswara Rao ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28198
HIGH POTENTIAL OF Enterobacter sp. CASPIAN1394 IN DIESEL OIL BIODEGRADATION
Environmental Engineering and Management Journal › Vol. 19 › Nr. 6 Diesel oil (DO) as a mixture of alkanes and aromatic compounds causes damage to the ecosystem in terrestrial and aquatic habitats. One of the best methods of treating contaminated areas is to use microorganisms in a bioremediation method that can degrade pollutants. The aim of this study was to isolate indigenous bacteria with high biodegradation potential of DO from oil-contaminated wastewater. Bacterial isolation was performed using a mineral medium containing contain 1% DO as the sole source ... Autori: Sharareh Dashteepour ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28224
TURBULENT FLOW CHARACTERISTICS IN THE ERODED REGION OF THE SIDE-WALL BANK
Environmental Engineering and Management Journal › Vol. 19 › Nr. 8 An experimental inquest was performed to quantify the turbulent flow characteristics near the eroded region of an artificial sidewall bank at three different flow depths, and a comparison study is made between before and after erosion for two Reynolds numbers. Instantaneous flow velocities were taken with an acoustic Doppler velocimeter (ADV) at near bank of the vertical side wall. The mean flows and other turbulence quantities such as Reynolds shear stress, turbulent intensities, and turbulent ... Autori: Krishnendu Barman ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28264
RESPONSES OF SHALLOW GROUNDWATER SYSTEM TO DIFFERENT WATER-SAVING PRACTICES IN TYPICAL IRRIGATION AREA IN NORTHWEST CHINA
Environmental Engineering and Management Journal › Vol. 19 › Nr. 9 The Jinghui Canal Irrigation District (JCID) is a highly productive agricultural area of Shaanxi province, China. Because of severe water scarcity, implementing water-saving renovation practices for agricultural sustainability is necessary. To determine the influence of different water saving practises on the shallow groundwater system in the JCID, ArcGIS and Processing MODFLOW are used to simulate changes in shallow groundwater in the irrigated farmland in this area. The results show that field... Autori: Fenggang Dai ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28278
SFS-H PHYTOTREATMENT OXI-NITRO RATE TESTED IN STEADY-STATE ON ENGINEERING-UNIBO PILOT PLANT
Environmental Engineering and Management Journal › Vol. 19 › Nr. 10 Natural wastewater treatment systems can represent a smart solution in small communities (50-2000 Population Equivalent) as they are very low-cost technologies in terms of energy consumption and maintenance. Moreover, those systems could be implemented as clean processes for wastewater reuse in the frame of circular economy applications. In this context the present study examines the main features of Subsurface Flow System - horizontal (SFS-H) phyto-treatment process. To this aim a pilot plant w... Autori: Carmine Fiorentino ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28297
LAND CONSUMPTION IN ITALIAN COASTAL AREA
Environmental Engineering and Management Journal › Vol. 19 › Nr. 10 Italian coastal urban development is a problem which requires measures to contain land consumption and a continuous monitoring action on the phenomenon, especially in those areas where the tendency to consume land is high. Two of the major limitation in
achieving full awareness of the phenomenon are the lack of common European policies and land consumption definition issues In this study the aim is to analyse the evolution of land consumption occurred in the Italian coastline on a diachronic ba... Autori: Nicola Riitano ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28308
UTAQ, A TOOL TO MANAGE THE SEVERE AIR POLLUTION EPISODES
Environmental Engineering and Management Journal › Vol. 19 › Nr. 10 The Urban Tool for Air Quality (UTAQ) is a project funded by CAMS (Copernicus Atmosphere Monitoring Service) - ECMWF (European Centre for Medium-Range Weather Forecasts). UTAQ is a web-based tool with a user-friendly interface that allows users
to evaluate current and forecasted air quality for the following 4 days at urban scale with high resolution (10-50 m). UTAQ, in the mobile version, allows citizens to evaluate and then to limit their air quality exposition thanks to the personal position... Autori: Fabrizio Ferrari ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28312
BAND GAP TUNING OF ZINC OXIDE NANOPARTICLES BY THE ADDITION OF (1-4%) STRONTIUM. SYNTHESIS, CHARACTERIZATION OF THE CATALYST AND ITS USE FOR THE PHOTOCATALYTIC DEGRADATION OF ACID VIOLET-17 DYE IN AQUEOUS SOLUTION
Environmental Engineering and Management Journal › Vol. 19 › Nr. 11 Zinc oxide and strontium doped zinc oxide nanoparticles were synthesized through hydrothermal route. The synthesized nanoparticles were characterized by UV, FTIR, SEM, X-Ray diffraction (XRD) and energy dispersive x-ray (EDX) spectroscopic techniques. The optical band gaps were calculated to be 3.16EV and 2.90EV for ZnO and Sr-ZnO nanoparticles, respectively. FTIR confirmed the incorporation of the Sr into ZnO nanoparticles. Average particles size of undoped ZnO and Sr-doped ZnO nanoparticles wa... Autori: Fazal Akbar Jan ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28323
ROOT SYSTEM CHARACTERISTICS OF THREE WOODY SPECIES PLANTED ON STEEP SOIL-DENUDED SLOPES
Environmental Engineering and Management Journal › Vol. 19 › Nr. 12 This paper aims to investigate the root characteristics of three woody species (Pinus brutia, Quercus coccifera and Spartium junceum) planted on steep soil-denuded slopes, surfaced after ring-road excavation. The planted slopes were almost vertical, south faced and adding no soil. Fifteen plants per species were manually extracted for root system analysis and testing. The findings showed that the survivorship was different among the investigated species with S. junceum plants to survive better. ... Autori: Petros Ganatsas ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28329
SALINE-SODIC SOIL RECLAMATION WITH STABILIZED SEWAGE SLUDGE AND RECYCLED WASTEWATER
Environmental Engineering and Management Journal › Vol. 19 › Nr. 12 Saline-sodic soil reclamation can be enhanced with a sustainable and environmental approach by using organic waste materials. Moreover, wastewater can be used in leaching processes to protect freshwater resources in regions with water shortages. The aim
of this study was to reclaim saline-sodic soil by using recycled wastewater and stabilized sewage sludge together with gypsum. The experiment was designed with three replicates using four different sewage sludge doses (0, 4, 8 and 12 kg m-2), an... Autori: Almujtaba Hassbalrassol Muhammed Abdallh ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28330
OPTIMIZATION OF THE EVACUATION ROUTE IN CHEMICAL PLANTS BASED ON THE DEPTH-FIRST SEARCH ALGORITHM
Environmental Engineering and Management Journal › Vol. 19 › Nr. 12 Optimal evacuation routes are crucial to protect workers’ safety when accidental leakage of toxic gas occurs in chemical plants. However, the majority of route optimization focuses on the transport field and few on the evacuation routing optimization in chemical plants. This paper proposes a dynamic evacuation routing optimization method for chemical plants under toxic gas release scenarios. From the complete accident scenario set (CASS) built with wind fields and leakage sources, the leak... Autori: Ying Liu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28336
EVALUATION OF THE EFFECT OF ENVIRONMENTAL FACTORS ON WILDLIFE ROADKILL IN CENTRAL TURKEY
Environmental Engineering and Management Journal › Vol. 19 › Nr. 12 Transport networks, including highways, have many negative ecological impacts, such as habitat loss and landscape fragmentation. One of the most consicuous negative effects is wildlife vehicle collision (WVC). The basic aims of this study, conducted on the
Kırıkkale-Çankırı Highway, Turkey, are the following: i) identifying locations of WVC events, ii) modeling the effects of landscape pattern and traffic characteristics on WVC and iii) proposing a solution to mitigate WVC. In the st... Autori: Ali UÄŸur Özcan ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28337
EXPERIMENTAL ANALYSIS OF INNOVATIVE HEAT EXCHANGER WITH UNIFORM HEAT FLUX USED IN HEAT PUMPS SYSTEMS
Environmental Engineering and Management Journal › Vol. 19 › Nr. 12 The study presents the experimental testing of a heat exchanger with uniform thermal flux (HEUTF), used as a cold source in HVAC systems with heat pumps. A water-water heat exchanger is tested, having a special geometry, with uniform thermal flux along the system. The heat exchanger proposed consists of a distributor and a collector, connected to each other by means of 20 staggered copper pipes, being suitable for serving low or medium geothermal sources. The innovation consists in the uniformit... Autori: Sebastian Valeriu HudiÈ™teanu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28340
APPLICATION OF THE AGRO-HYDROLOGIC SWAT MODEL ON THE TAABO RIVER BASIN (CÔTE D’IVOIRE) TO EVALUATE THE EFFECT OF THREE VEGETATIVE FILTER STRIP SCENARIOS ON STREAMFLOW AND NUTRIENTS
Environmental Engineering and Management Journal › Vol. 20 › Nr. 1 Côte d'Ivoire is one of the world's leading producers and exporters of agricultural products. Unfortunately, the multiplicity of stakeholders in this sector and the absence of legislation and regulations have contributed to the pollution of the various hydro systems, particularly those of Taabo river basin. The purpose of this study was to assess the ability of the Soil and Water Assessment Tool (SWAT) model to test the applicability of three vegetative filter strips scenarios to m... Autori: Kouao Armand Anoh ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28346 |