|
Rezultatele pentru pharmaceutical compoundsRezultate gasite: 230
Catalytic destruction of aromatic VOCs on SCR-DeNOx commercial catalyst
Environmental Engineering and Management Journal › Vol. 6 › Nr. 1 AbstractAromatic volatile organic compounds (VOCs) proved to have enhanced polluting behavior upon the atmosphere and human health. Their catalytic destruction is an alternative for environmental pollution reduction in the case of gaseous emissions with low contents of VOC.In this paper, an experimental study is presented, concerning the conversion of benzene and its mono-halogenated derivatives on SCR-DeNOx (V2O5-WO3/TiO2) commercial catalyst, specific for the reduction process of nitrogen oxid... Autori: Florin Bandrabur, Heinz Koser, Ion Balasanian, Liliana Lazar ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25105
New Ni(II) coordination polymers with insulating and anticorrosive properties
Environmental Engineering and Management Journal › Vol. 6 › Nr. 2 A series of new Ni(II) poly-phosphinates have been synthesised using Ni(II) acetylacetonate as nickel precursor and a succession of ligands derived from phosphinic acid: ethyl-butyl-phosphinic acid, ethyl-butyl-thio-phosphinic acid, and respectively ethylbutyl-di-thio-phosphinic acid. Chemical analysis gel-chromatography, infrared spectroscopy (IR), spin electronic resonance (RES), X-ray diffraction (XRD), thermal gravimetric analysis (TGA), electrical resistance measurements at different temper... Autori: Daniel Sutiman, Doina Sibiescu, , Mircea Teodor Nechita ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25118
Methyl tert- butyl ether occurrence and degradation in water
Environmental Engineering and Management Journal › Vol. 6 › Nr. 2 The use of gasoline oxygenated with MTBE (methyl tert-butyl ether) reduced significantly air pollution (16 - 23% lower emissions of CO and 18% lower emissions of unburned hydrocarbons) but increased water pollution. There is no European or national regulations for MTBE in drinking water except for Denmark, which has set a limit value of 30 µg/ L for MTBE. USEPA proposed a maximum concentration of 20- 40 µg/L. This paper is a review with 70 references on the MTBE production, use, properties and... Autori: Camelia Beţianu, Florina Ungureanu, Loredana Branza, Lucian Vasile Pavel, Maria Gavrilescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25122
Process water of papermaking: model building and characterization
Environmental Engineering and Management Journal › Vol. 6 › Nr. 4 Actual trends in papermaking concern on the use of recycled fibers and minimizing effluent volume by closing water circuit. Beside environmental and economic advantages, both trends can lead to serious problems in papermaking processes due to contaminants introduced with recycled fibers and their accumulation in closed water system. A key factor to avoid disturbances in the papermaking is to prevent the accumulation of detrimental compounds. In this respect, first it is necessary to find out met... Autori: Dan Belosinschi, Elena Bobu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25134
Simultaneous voltammetric detection of organics from wastewater on a copper oxide-copper electrode
Environmental Engineering and Management Journal › Vol. 6 › Nr. 5 The amperometric response in dynamic or fixed potential conditions, as cyclic voltammetry (CV) and chronoamperometry (CA) of a copper oxide-copper electrode was studied and proposed for the fast characterization of the simulated wastewaters containing acetylsalicylic acid (ASA) and sulfur compounds, i.e., thioacetamide (TA) as organic pollutant models. The additivity of the individual amperometric signals in the overall response of the electrode for mixed solutions corresponded to over 95% recov... Autori: Aniela Pop, Ciprian Radovan, Florica Manea, Georgeta Burtica, Ilie Vlaicu, Joop Schoonman, Marcel Morariu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25158
Study of the non-catalytic and catalytic oxidative destruction of VOCs
Environmental Engineering and Management Journal › Vol. 6 › Nr. 5 In recent years, the release of volatile organic compounds (VOCs) has received much attention. Catalytic oxidation of VOCs, found in small concentration in industrial gas emissions constitutes an alternative for environmental pollution reduction.In this paper, a comparative study regarding the non-catalytic and catalytic oxidative destruction of non-halogenated or halogenated C6 hydrocarbons (C6H14, C6H12, C6H6, Cl-C6H5, Br-C6H5), is presented. Catalytic oxidation was studied in the presence of ... Autori: Florin Bandrabur, Heinz Koser, Ion Balasanian, Liliana Lazar ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25162
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
Environmental Engineering and Management Journal, Vol. 2 Nr. 2
Environmental Engineering and Management Journal › Vol. 2 › Nr. 2 Contain all the articles from this issueEditorialEstablishing effluent discharge limits - have we got it right?Yusuf Chisti Full papersSurvey on the treatment of gaseous streams containing volatile organic compoundsOana Penciu, Maria GavrilescuEU environmental policy for industrial pollution control. IPPC DirectiveElena Bobu Environmental monitoring Antonius A.F. KettrupProcess The sonochemical degradationof cyanide ions using atmospheric oxygen as oxidizing agentIoan Iordache, Mircea Teodor Nec... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25171
Environmental Engineering and Management Journal, Vol. 2 Nr. 3
Environmental Engineering and Management Journal › Vol. 2 › Nr. 3 Plants as biomarkers, biosensors and biomonitorsModelling of wastewater treatment of a pulp and paper mill for monitoringCatalysts for heterogeneous photocatalysts. Part I. Possibilities to improve photoefficiency through catalysts modificationThe global assessment method of the water qualityAspects regarding the wood certification in RomaniaDecolorizing of pulping effluents by ammonium lignosulphonate oxidationPowder coatings-based organic filmsOn environmental effects of the pulp and paper mil... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25172
Environmental Engineering and Management Journal, Vol. 2 Nr. 4
Environmental Engineering and Management Journal › Vol. 2 › Nr. 4 Contain all the articles from this issueDestruction of Volatile Organic Compounds by catalytic oxidationAlice Oana Rusu, Emil DumitriuRisk assessment for a shipyard from Romanian Black Sea CoastAnca Florentina Caliman, Ion Balasanian Monitoring the behavior of the restoration interventions of the Probota Monastery’s indoor frescoes under the influence of the environmental factors. II. Modifications of the physical-structural and chemical characteristicsIon Sandu, Adrian Dima, Ioan Gabriel Sand... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25173
Environmental Engineering and Management Journal, Vol. 3 Nr. 2
Environmental Engineering and Management Journal › Vol. 3 › Nr. 2 Contain all the articles from this issueCatalysis for heterogeneous photocatalysis. Part II. Methods for synthesisAnca Florentina Caliman, Ion BalasanianpH influence on sonochemical degradation of cyanides with H2O2 and O2Ioan Iordache, Mircea Teodor Nechita, Nicolae Aelenei, Gabriela Apostolescu, Ioan Rosca Studies of various wastewater nitrification bioreactor types based on modelling and simulationDiana Lupasteanu, Florina Ungureanu, Maria Gavrilescu Wastewater from winemaking industry: monit... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25175
Environmental Engineering and Management Journal, Vol. 4 Nr. 2
Environmental Engineering and Management Journal › Vol. 4 › Nr. 2 Contain all the articles from this issueCatalysis for heterogeneous photocatalysis. Part II. Methods for synthesisAnca Florentina Caliman, Ion BalasanianpH influence on sonochemical degradation of cyanides with H2O2 and O2Ioan Iordache, Mircea Teodor Nechita, Nicolae Aelenei,Gabriela Apostolescu, Ioan RoscaStudies of various wastewater nitrification bioreactor types based on modelling and simulationDiana Lupasteanu, Florina Ungureanu, Maria Gavrilescu Wastewater from winemaking industry: monitor... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25179
Environmental Engineering and Management Journal, Vol. 9 Nr. 1
Environmental Engineering and Management Journal › Vol. 9 › Nr. 1 ? Kinetics considerations concerning the oxidative degradation by photo-fenton process of some antibiotics
? Catalytic wet hydrogen peroxide oxidation of 4-chlorophenol over iron-exchanged clays
? Researches on the negative effects assessment (slugging, clogging, ash deposits) developed at the biomass-coal co-firing
? Contribution to the study of the environmental heritage of a former chemical plant
? Impact of chemicals on derivatives with important therapeutic activity in C... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25376
Environmental Engineering and Management Journal, Vol. 7 Nr. 3
Environmental Engineering and Management Journal › Vol. 7 › Nr. 3 Include urmatoarele articole:â€? Cost sensitivity analysis by Monte Carlo simulationâ€? Mathematical modeling of gas drying by adsorptionâ€? Methyl isobutyl ketone combustion over Pt/Al2O3 catalystâ€? Distribution of oxygen transfer rate in stirred bioreactors with simulated brothsâ€? Unsteady heat transfer inside an elliptic cylinderâ€? Triphasic external-loop airlift reactors. Hydrodynamic and dispersion studiesâ€? Sustainable combined utilization of renewable forest resources and coal in Roma... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25209
Microwave-assisted chemistry. A review of environmental applications
Environmental Engineering and Management Journal › Vol. 6 › Nr. 6 AbstractThe extraction of some pollutants from different matrices, the treatment of hazardous and infectious wastes, the destruction of refractory compounds and the prevention of noxious emissions are the main environmental applications of microwave-assisted chemistry. The advantages and disadvantages of this technique are also considered.... Autori: Carmen Zaharia, Georgiana G. Surpăţeanu, Mioara Surpăţeanu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25217
Environmental pollution with VOCs and possibilities for emission treatment
Environmental Engineering and Management Journal › Vol. 6 › Nr. 6 AbstractVolatile organic compounds (VOCs) constitutes an important class of environmental pollutants, which, together with other contaminants as NOx, SOx, CO, NH3, CO2 etc. participate in degradation of atmosphere and exhibit a potential risk for human health. VOC emissions may be generated in more than 25 percentages through the use of solvents in different industrial or house holding activities. For applying a certain plan concerning the pollution reduction, any user of organic solvents contai... Autori: Florin Bandrabur, Ion Balasanian, Liliana Lazar ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25218
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
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
Study of the separation process of tartaric acid by ion-exchange with solid anionites Amberlite IRA-67 AND Amberlite IRA-410
Environmental Engineering and Management Journal › Vol. 7 › Nr. 4 AbstractThe present work describes an investigation of process of ion-exchange separation of tartaric acid in model systems. These investigations will be used for the separation of tartaric acid from secondary wine products. Their valorisation allows obtaining valuable compounds, as well as decreasing the huge quantities of wastes accumulated at wine making factories.As ionic exchangers, there have been used weakly basic anion exchanger Amberlite IRA-67 (tertiary functional amine groups) and str... Autori: Aliona Mereuţa, Gheorghe Duca, Herbert G. Boechzelt, Natalia Marchitan ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25286
Recovery of some inorganic compounds from the sludges resulted after the leaching of uranyl ions from uranium ores
Environmental Engineering and Management Journal › Vol. 7 › Nr. 4 AbstractIn this work it had been tested the recovery of some compounds like: Fe2O3, TiO2, PO4 3- ions, Al2O3 from the sludges, which result in the industrial facilities for output of pure uranium dioxide. Solubilization of the chemical compounds from the uraniumwastes was performed in strong acidic media, using adequate methods.... Autori: Alexandru Cecal, Doina Humelnicu, Romeo Iulian Olariu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25288
Environmental Engineering and Management Journal, Vol. 7 Nr. 4
Environmental Engineering and Management Journal › Vol. 7 › Nr. 4 Include urmatoarele articole:â€? Removal of nickel from aqueous solution by Nordmann FIR (ABIES Nordmanniana (STEV.) SPACH SUBSP. Nordmanniana) conesâ€? Determination of heavy metals in extracts and macerates from garden flowersâ€? Biological phosphorus removal in a high performance single reactor â€? Advanced Cd2+ removal on dispersed TioO2-fly ash â€? Remediation techniques for contaminated soilsâ€? Separation of uranium(vi) from soils by extraction in aqueous PEG (1550) - Na2SO4 - Na2CO3 two-... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25296
Studies on the interaction between birch veneer and compounds with biocide potential action
Environmental Engineering and Management Journal › Vol. 7 › Nr. 5 AbstractThis paper discusses the results of study concerning the interaction between the birch veneer and some compounds with biocide potential action are presented. With this end in view the samples of veneer were immersed in solutions with a concentration of 5% of the following products: unmodified straw lignin or modified through hydroxymethylation, furan resin and tannins dissolved in 0.1 N ammonia solution. To make a comparison, the same combined treatments were applied, using ammonia solut... Autori: Adina-Mirela Capraru, Elena Ungureanu, Valentin I. Popa ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25309
Environmental Engineering and Management Journal, Vol. 7 Nr. 5
Environmental Engineering and Management Journal › Vol. 7 › Nr. 5 Include urmatoarele articole:â€? Biomass - A source of chemicals and energy for sustainable development â€? Equilibrium study of Pb(II) and Hg(II) sorption from aqueous solutions by moss peatâ€? Wood-based epoxy resins and the ramie fiber reinforced compositesâ€? Studies on the interaction between birch veneer and compounds with biocide potential actionâ€? Effect of methanogenic inhibitors, inocula type, and temperature on biohydrogen production from food componentsâ€? Energy from biomass in pul... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25313
Determination of organic compounds from different types of coffee by Hplc and Gc-Ecd analysis
Environmental Engineering and Management Journal › Vol. 7 › Nr. 6 A study was conducted to investigate the organic compounds residues in different types of coffee from market inThe detection limits ranged from 0.02 ng/kg to 0.04 ng/kg and quantification limits were 0.2 ng/kg. Calibration and recovery studies gave satisfactory results. Concentrations of OCPs in coffee samples varied from 0.001 mg/Kg to 0.007 mg/Kg. The methods provide a rapid and accurate determination of these organic compounds in coffee samples.... Autori: Gabriela Stanciu, Mariana Popescu, , Simona Dobrinas ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25338
Environmental Engineering and Management Journal, Vol. 7 Nr. 6
Environmental Engineering and Management Journal › Vol. 7 › Nr. 6 Include urmatoarele articole:â€? Composite membranes with cross-linked matrimid selective layer for gas separationâ€? Determination of organic compounds from different types of coffee by Hplc and Gc-Ecd analysisâ€? An integrated assessment of the suitability of domestic solar still as a viable safe water technology for Indiaâ€? Investigations on the possibility of natural hemp fibers use for Zn(II) ions removal from wastewatersâ€? Removal of acid red 398 dye from aqueous solutions by coagulation... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25340
Titanium dioxide extraction from paint sludge of automotive industry Case study: Paint sludge of Saipa paint shop
Environmental Engineering and Management Journal › Vol. 8 › Nr. 1 AbstractPaint sludge of automotive industry contains heavy metals and other toxic substances. Due to this matter, it has a high pollution potential. Incorrect disposal of paint sludge led to kinds of environmental pollution. Recycling and reusing of wastes can be one of the best solutions for decreasing of pollutant entrance to environment. The purpose of this study was to present a new method of extracting the main components of paint sludge, for determining concentration of elements in paint s... Autori: Azadeh Akhavan Bloorchian, Seyed Mostafa Khezri ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25346
Environmental impact assessment induced by an industrial unit of basic chemical organic compounds synthesis using the alternative method of global pollution index
Environmental Engineering and Management Journal › Vol. 8 › Nr. 1 AbstractThe technological process of basic chemical organic compounds synthesis is included among the economic activities that can affect the environment quality. The environmental impact of chemical organic synthesis is evaluated using the alternative method of global pollution index that considers the concentric circles graphical methodology proposing a scale of the arithmetic mean values for the evaluation scores of each environmental components (e.g. water resources, gaseous emission, soil a... Autori: Carmen Zaharia, Ilie Murăraşu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25352
Environmental Engineering and Management Journal, Vol. 8 Nr. 1
Environmental Engineering and Management Journal › Vol. 8 › Nr. 1 Include urmatoarele articole:â€? CsHSO4/mesoporous silica composites - new electrolytes for solid acid fuel cellsâ€? Trend in exhaust emissions from in-use gasoline vehiclesâ€? Analysis of distribution of oxygen transfer rate in stirred bioreactors for bacterial brothsâ€? Electrochemical characteristics of Ti6Al7Nb alloy in Ringer's solutionâ€? Pulsed high voltage discharge technology as a new method for killing Hepatitis C virus (HCV) cellsâ€? Hydrodynamic modelling of pollution with LNAPL gene... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25367
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
Research on the use of environmentally friendly additives in the building industry
Environmental Engineering and Management Journal › Vol. 8 › Nr. 2 AbstractThe use of adhesives for floor covering have been deeply modified for longtime, by formulations of polymer-based products in aqueous dispersion as an alternative to organic solvents. These advances envisaged ways for obtaining nonpolluting products. Developing these adhesives required the parallel development of methods for monitoring and analyzing the emissions over time. This paper shows the results of some research devoted to identify the indoor presence of volatile organic compounds ... Autori: Irina Ioniţă, Domnica Ciobanu, Monica Tulbure, Iulian Tanţoş ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25388
Priority organic pollutants removal by ultrafiltration for wastewater recycling
Environmental Engineering and Management Journal › Vol. 8 › Nr. 2 AbstractUltrafiltration (UF) represents an important option for the advanced wastewater treatment as it offers good performances from both technical and economical points of view, for the removal of suspended solids, colloids and some of the organic compounds present in different effluents. The occurrence of priority organic pollutants in wastewaters streams and the environment has raised intensive scientific debates about their effects and the possible abatement technologies. As part of a broad... Autori: George Barjoveanu, ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25390
Application of natural materials as sorbents for persistent organic pollutants
Environmental Engineering and Management Journal › Vol. 8 › Nr. 2 AbstractPersistent organic pollutants (POPs) are toxic chemicals that adversely affect human health and the environment around. This group of priority pollutants consists of pesticides, industrial chemicals and unintentional by-products of industrial processes. Natural materials, waste from industry and agriculture and bioadsorbents can be employed as inexpensive adsorbents to remove POPs from environmental components by sorption processes. The paper presents various natural sorbents and some ou... Autori: Laura Carmen Apostol, Maria Gavrilescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25395
Plant protection products and their sustainable and environmentally friendly use
Environmental Engineering and Management Journal › Vol. 8 › Nr. 3 Abstract
Protection of plants from diseases, pests and weeds plays a decisive role in agricultural development, as an essential part in planning and policy of numerous countries. Since the plant protection products are mainly chemicals and may be not only poisonous for humans and fauna, but they may also pollute water bodies, ground water and soil with hazardous pollutants, their use have to be environmentally friendly and sustainable. The paper discuss some aspects of benefits and risks con... Autori: Manuela Olga Pogăcean, Maria Gavrilescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25405
Nanocomposite materials based on polymers and alumina nanoparticles
Environmental Engineering and Management Journal › Vol. 8 › Nr. 4 Abstract
The synergistic combination of polymers and inorganic compounds via sol-gel process has attracted great attention, by manipulating structure at molecular level, for developing new materials with desired properties. These new hybrid materials could have a controllable combination of the benefits of polymers (flexibility, toughness, ease of processing) and those of ceramics or glasses (hardness, durability, thermal stability).
The microstructures and the properties of hybrid materials... Autori: Lucia Dumitrescu, Ileana Manciulea ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25446
Uncertainty estimation-Case study for phenolic compounds determination in municipal wastewaters
Environmental Engineering and Management Journal › Vol. 8 › Nr. 4 Abstract
The Romanian standard for the analytical method for phenols measurements in aquatic media was subject of internal validation procedure, adapted to the specific concentration domain of the laboratory. Method performance criteria were investigated on standard samples measurements: selectivity, linearity domain, precision, accuracy, limit of detection, limit of quantification androbustness. The validated method was further used on real samples of domestic and industrial wastewaters from... Autori: Carmen Dima, Cristina Jelescu, Camelia Draghici ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25448
Reactive organic carbonates with leaving group for biologically active dipeptides synthesis
Environmental Engineering and Management Journal › Vol. 8 › Nr. 4 Abstract
The aim of this present paper is investigation of the reactions of preparation of unsymmetrical reactive carbonates from the corresponding symmetrical carbonates and different type of alcohols. The asymmetrical carbonates represent alternative reagents (mild, efficient) for alkoxycarbonylation of amines and amino-acids. The synthesized compounds were characterized by spectroscopic and chromatographic methods. A general method for preparation of asymmetrical carbonates was develop fro... Autori: Adina-Elena Segneanu, Ionel Balcu, Marius Constantin Mirica, Mirela Ioana Iorga, Marius Milea, Zoltan Urmosi ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25472
Anti-inflammatory constituents from different plant species
Environmental Engineering and Management Journal › Vol. 8 › Nr. 4 Abstract
Herbs have been used as food and for medicinal purposes for centuries. In recent years, natural compounds such as phenolic acids, phenolic diterpenes and triterpenes, present in various plants, have been the subject of intense research due to their potential benefits for human health. It has been demonstrated that the antioxidant and radical scavenge activities are the main properties of these compounds.
The main difficulties in using natural products as a source for pharmaceutical ... Autori: Ruxanda Bodirlau, Iuliana Spiridon, Carmen Alice Teaca, Narcis Anghel, Maria Ichim, Svetlana Colceru , Alice Armatu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25474
Microwaves effect over biomass hydrolysis
Environmental Engineering and Management Journal › Vol. 8 › Nr. 4 Abstract
Changing fuel consumption to a more ecological environmentally alternative is replacing fossil fuels with fuels generated from renewable resources. Ethanol, a renewable fuel, can be produced mainly from crops, lignocellulosic biomass and different other environmental wastes. Although ethanol has been produced mainly from crops, there is a great interest in using cheaper lignocellulosic materials as a feedstock for ethanol production.
The aim of this paper is study of dilute acid hyd... Autori: Ionel Balcu, Adina-Elena Segneanu, Marius Constantin Mirica, Mirela Ioana Iorga, Corina Macarie, Raluca Martagiu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25481
New materials for water ozonization
Environmental Engineering and Management Journal › Vol. 8 › Nr. 4 Abstract
Application of ozone is known to yield favorable results in purification of phosphate plant water from elemental phosphorus, in treatment of water of alkali aluminate solutions of aluminum plants, in decontamination of cyanide-containing waste water of enrichment plants, and so on. It has been proved that halogen-containing compounds, most of which have mutagenic properties, and some of which are carcinogenic to humans, are formed when water is treated with chlorine. Conclusions made... Autori: Irina Dumitriu, , ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25483
Gold nanoparticles for biological target conjugates
Environmental Engineering and Management Journal › Vol. 8 › Nr. 4 Abstract
Nanotechnologies may have properties of self-assembly, stability, specificity, drug encapsulation and biocompatibility as a result of their material composition. Nano-particles are being actively developed for tumour imaging in vivo, bio-molecular profiling of cancer biomarkers, and targeted drug delivery. These particles are stable, environmentally benign, and their chemical properties
can be easily tailored by chemically modifying their surfaces.
Conjugated with pharmacological a... Autori: Simona-Florentina Pop, , ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25484
Aspects refering to technical and leaching properties of the secondary aluminium slags - cement composites
Environmental Engineering and Management Journal › Vol. 8 › Nr. 4 Abstract
The purpose of this work is to investigate the secondary Al slag (SAS) relating to its technical and environmental properties and, as consequence, to its compatibility with Portland cement matrix. This study may be a contribution to establish of SAS potential valorization as secondary raw material (SRM) in low strength cement matrix composites, as construction products.
DRX mineralogical analyses revealed that SAS includes transition alumina compounds, especial boehmite. The hydrati... Autori: Maria Gheorghe, Nastasia Panait, Romanita Teodorescu, Maria Roman ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25498
Passive biomonitoring of atmospheric pollution with heavy metals using native epigeic moss
Environmental Engineering and Management Journal › Vol. 8 › Nr. 5 Abstract
It were investigated some atmospheric sediments of copper and chromium in mining areas of Dorna Basin by passive monitoring with six species of native epigeic moss (Mnium hornum, Mnium cuspidatum, Mnium punctatum, Polytrichum strictum, Thamnium alopecurum si Cephalozia bicuspidate) in two stages: April - September 2005 and October 2005 - March 2006. Thesedeterminations were achieved in 4 locations: Dealul Boambei, Saru Dornei, Sarisorul Mic, Neagra Sarului. In the same time was deter... Autori: Catalin Dumitrel Balan, Ionela Mezdrea Cojocareanu Pata, Matei Macoveanu, Sandu-Marius Pata ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25503
Adsorption characteristics of Co(II) ions from aqueous solutions on romanian peat moss
Environmental Engineering and Management Journal › Vol. 8 › Nr. 5 Abstract
Peat moss has been widely used as low-cost adsorbent to remove a variety of pollutants, including organic compounds and metal ions from aqueous effluents. Various functional groups allow such compounds to bind on active sites of peat moss. The adsorbent used in this study was Romanian peat moss sampled from Poiana Stampei (Romania). The adsorption of Co(II) ions from aqueous solutions on Romanian peat moss was studied in batch experiments, in order to establish the influence of initi... Autori: Corneliu Caramalau, Laura Bulgariu, Matei Macoveanu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25533
Influence of soil particle size onto sorption of tartrazine from aqueous solutions
Environmental Engineering and Management Journal › Vol. 8 › Nr. 5 Abstract
Tartrazine, (CI 19140) is an azo dye widely used in pharmaceuticals, cosmetics and foodstuff, as well as for coloring the textiles, hence it can be easily found in municipal wastewaters or wastewaters originating from textile, food, drugs and cosmetic industry. In this work, the capacity of a Romanian soil to retain Tartrazine from aqueous solution by sorption onto soil particles of different size has been investigated. The sorption kinetics was studied by applying five kinetic model... Autori: Florentina Anca Căliman, Laura Carmen Apostol, Dumitru Bulgariu, Laura Bulgariu, Maria Gavrilescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25534
Textile wastewater treatment by homogeneous oxidation with hydrogen peroxide
Environmental Engineering and Management Journal › Vol. 8 › Nr. 6 Abstract
The textile wastewaters have a diverse composition depending both on the used raw materials and applied manufacturing technologies. These wastewaters may contain various pollutants such as organic compounds (e.g. residual dyes), suspended solids, metal ions etc. Most of dyes are synthetic compounds with aromatic molecular structures and non-biodegradable. The oxidative destruction via homogenous oxidation processes with hydrogen peroxide (simple chemical oxidation with H2O2 or advanc... Autori: Carmen Zaharia, Daniela Suteu, Augustin Muresan, Rodica Muresan, Alina Popescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25570
Enhancement of separation performances of a new azoic derivative from industrial water and the posibility to recover its complex as nanomaterial
Environmental Engineering and Management Journal › Vol. 9 › Nr. 1 Abstract
In order to obtain new complexes of Fe(III) with multiple uses, their characteristics, important applications and also the obtaining conditions are studied. The obtaining conditions consist in mixing solutions of the same concentrations of ligand 2 amino-6-methoxy-benzothiazole sulphonic acid??†’1-naphtol-4-sulphonic acid with FeCl3. The solutions are mixed in molar ratios of 1:1, 2:1 and 3:1 (ligand to central metallic atom). For determining the molar ratio ligand:central metall... Autori: Daniela Zavastin, Doina Sibiescu, Igor Creţescu, Ioan Roşca, Mihaela Dana Tutulea, Mihaela Vizitiu ISSN: 1843-3707 http://www.ecozone.ro/reviste.php?RID=25581
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
Environmentally friendly techniques for chemical pulp bleaching
Environmental Engineering and Management Journal › Vol. 9 › Nr. 1 Abstract
In the last decades there has been a rapid evolution of techniques for production of bleached pulp. Much of these processes have been environmentally driven. New techniques have been developed in order to replace chlorine-based reagents in producing bleached pulp. Reducing the environmental impact of pulp production can be attain by using non-pollutant bleaching reagents like oxygen and related compounds.
This paper deals with present findings and general trends in environmentally-s... Autori: Adrian Catalin Puitel, Alexandru Botar, Dan Gavrilescu, Gheorghe Dutuc, Grigore Craciun ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25592
Device for rapid preparation of samples for detection and identification of the toxic compounds
Environmental Engineering and Management Journal › Vol. 9 › Nr. 1 Abstract
This paper presents a portable device for rapid preparation of samples, in situ, in order to facilitate the detection and identification of toxic substances. This product is for research and provides increased sensitivity NBC detection equipment (ion mobility spectrometers, indicated tubes), and decreasing the time needed for preparation solid and liquid samples to identify toxic substances by spectrometric techniques (gas chromatography with mass spectrometry). It is used especially... Autori: Alexandru Bobes, Aurica Dumitrescu, Doru Alexe, Gabriel Epure, Liliana Rece, Nicoleta Petrea, Petrisor Zamora Iordache, Razvan Petre, Vasile Somoghi ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25595
Impact of chemicals on derivatives with important therapeutic activity in Calendula Officinalis L. flores
Environmental Engineering and Management Journal › Vol. 9 › Nr. 1 Abstract
In the study, the accumulation of secondary metabolites present in Calendula officinalis L. flowers with importance in therapeutics was examined, after the treatment with some substances considered being mutagens. The effect of substances appliedat different concentrations and different times of action was studied, qualitatively and quantitatively, considering various methanol extracts, obtained from the inflorescenses of Calendula officinalis L, which contained polyphenolic fraction... Autori: Brindusa Robu, Constantin Leonte, Elvira Gile, Roxana Vatavu, Teodor Robu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25598
Kinetics considerations concerning the oxidative degradation by photo-fenton process of some antibiotics
Environmental Engineering and Management Journal › Vol. 9 › Nr. 1 Abstract
The aim of this study is the evaluation of photo-Fenton as a suitable advanced oxidation process to degrade ampicillin and streptomycin antibiotics. The degradation was studied by monitoring the organic substrate concentration changes in aqueous solution as a function of reaction time using COD analysis. The oxidation process follows two successive stages. In the first stage (I) the oxidation of the antibiotics takes place with high reaction rate, leading to intermediate oxidation pr... Autori: Cristina Orbeci, Daniela Simina Stefan, Ion Untea, Madelene Dancila ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25602
Strategies for the aerobic biological treatment of the dairy wastewaters in controlled conditions
Environmental Engineering and Management Journal › Vol. 9 › Nr. 3 Abstract
The aim of this study was to evaluate the capacity of certain bacterial and fungal strains - isolated from the dairy industry wastewater - to biodegrade the organic compounds such as casein, lactose and lactic acid similarly to those which determine the organic pollution. The strains able to rapidly biodegrade organic compounds were identified and screened for the inoculum preparation which is afterward tested for the aerobic biological treatment of the simulated dairy-processing was... Autori: Gabriela Bahrim, George Ifrim, Marian Barbu, Mihaela Palela, Sergiu Caraman ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25625
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. 9
Environmental Engineering and Management Journal › Vol. 9 › Nr. 9 ? STUDY OF BIODIESEL PRODUCTION FROM OILSEED PLANTS II. EVALUATION OF BIODISEL PRODUCTION FROM SOME CULTIVARS OF RAPES
? STUDY
OF BIODIESEL PRODUCTION FROM OILSEED PLANTS I. EVALUATION OF THE
GENETIC SIMILARITY OF SOME Brassica Napus CULTIVARS USING RAPD MARKERS
? STRUCTURAL CHARACTERIZATION AND IN VITRO CYTOTOXIC POTENTIAL OF COAL DUST IN A ROMANIAN POWER PLANT
? MUNICIPAL SOLID WASTE MANAGEMENT IN BENGHAZI (LIBYA): CURRENT PRACTICES AND CHALLENGES
? COMPARATIVE ENVIRONM... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25661
Environmental Engineering and Management Journal, Vol. 10 Nr. 1
Environmental Engineering and Management Journal › Vol. 10 › Nr. 1 ? COMPACT MICROPULSE BACKSCATTER LIDAR: AIRBORNE AND GROUND-BASED APPLICATIONS
? STUDIES OF THE IMPACT OF AEROSOL OPTICAL PROPERTIES ON CLIMATE CHANGE PROCESSES
? A STUDY OF THE AEROSOL OPTICAL PROPERTIES AT TWO AERONET STATIONS FROM ROMANIA
? COMPLEMENTARY ATMOSPHERIC URBAN POLLUTION STUDIES IN THE NORTH-EAST REGION OF ROMANIA, IASI COUNTY
? ?NGSTR?M TURBIDITY IN THE LOWER LAYERS OF THE TROPOSPHERE
? LIDAR MONITORING OF ANTHROPOGENIC POLLUTION AND NATURAL PHENOMENA
... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25665
DETERMINATION OF AROMATIC VOLATILE COMPOUNDS IN PETROCHEMICAL WASTEWATER
Environmental Engineering and Management Journal › Vol. 10 › Nr. 8 Abstract:A method based on headspace and capillary gas chromatography with flame ionization detector technique was validated for thesimultaneous determination of five individual aromatic volatile pollutants: benzene, toluene, ethylbenzene, m/p-xylene and oxylene.The validation took in consideration liniarity, accuracy, precision, limit of detection, limit of quantification anduncertainty estimation criteria and concluded that the proposed method is suitable to determine the pollutants of interes... Autori: Camelia Draghici, Elena Paunescu, Elisabeta Chirilă, Gabriela Stanciu, Simona Dobrinas ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25729
SYSTEM IDENTIFICATION TOOLS FOR THE STABILIZATION OF THE WASTE-BED TEMPERATURE WITHIN A WASTE-TO-ENERGY PLANT
Environmental Engineering and Management Journal › Vol. 10 › Nr. 8 Abstract:Incineration plants are used since the beginning of the twentieth century to transform the mixed municipal waste into thermalenergy and to convert the hazardous components of waste into harmless compounds. To minimize the environmental pollutionand maximize the energy efficiency of the produced energy, the control of the complex processes that occur into the waste toenergy conversion is of major importance. In this work, the system identification approach is used to determine the dynami... Autori: Adrian Danila ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25739
REDUCING THE VOLUME OF WASTE BY COMPOSTING VEGETABLE WASTE, SEWAGE SLUDGE AND SAWDUST
Environmental Engineering and Management Journal › Vol. 10 › Nr. 9 Abstract:Our research was focused on developing some new procedures to reduce the biodegradable wastes by composting. The aim of thisstudy was to obtain and asses at laboratory scale the maturity of three compost samples of different proportion of vegetable waste,beech sawdust and sewage sludge by analyzing their FT-IR spectra and C/N ratio. The composting process was monitored by testsperformed weekly on the three samples in order to investigate the physical parameters (pH and electroconductivi... Autori: Anca Sauciuc, Claudia Zaha, Ileana Manciulea ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25772
SPECTROPHOTOMETRIC PARAMETERS FOR ORGANIC MATTER CHARACTERIZATION IN RAW AND TREATED SURFACE WATER
Environmental Engineering and Management Journal › Vol. 10 › Nr. 10 Abstract:This study aimed to assess the coagulation performance using simple aluminum sulfate (Alum) and pre-hydrolyzed polyaluminumchloride (PACl) coagulation agents by conventional global parameters, i.e., turbidity and organic matter expressed by totalorganic carbon (TOC) and chemical oxygen demand (COD), and non-conventional spectrophotometric parameters.Non-conventional spectrophotometric parameters, expressed as absorbance recorded at different wavelengths, i.e., A254, A280,A365, allowed d... Autori: Florica Manea, Georgeta Burtică, Ilie Pisoi, Smaranda Masu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25777
BIOREMEDIATION OF PETROLEUM SLUDGE UNDER ANAEROBIC MICROENVIRONMENT: INFLUENCE OF BIOSTIMULATION AND BIOAUGMENTATION
Environmental Engineering and Management Journal › Vol. 10 › Nr. 11 Abstract:Bioremediation is considered as one of the prominent and cost-effective cleanup technology to treat oily sludge disposals. In the present investigation anaerobic bioremediation of petroleum based oily sludge was studied in a slurry reactor by applying different experimental strategies viz., bioaugmentation, biostimulation and co-substrate addition. Total petroleum hydrocarbons (TPH) present in the oily sludge before and after degradation was extracted using soxhlet extraction procedure.... Autori: Asha Juwarkar, Kuppam Chandrasekhar, Mamilla Prathima Devi, Motakatla Venkateswar Reddy, Ponnapalli Nageswara Sarma, Srinivasula Reddy Venkata Mohan ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25794
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
HSLA STEEL AND CAST IRON CORROSION IN NATURAL SEAWATER
Environmental Engineering and Management Journal › Vol. 10 › Nr. 12 The corrosion products of high strength low-alloyed steel and of cast iron, maintained a prolonged period in natural seawater, were analyzed. A part of the corrosion products are soluble compounds of divalent and trivalent iron, the iron dissolution being accelerated when divalent ions are formed and in the case of the aerated seawater. The solid corrosion product formed during corrosion in seawater is principally oxy-hydroxide (FeOOH), but were identified small quantities of Fe2O3, Fe3O4 and so... Autori: Daniel Mareci, Maria Lungu, Nicanor Cimpoeşu, Nicolae Aelenei ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25832
COMBINED OXIDATION AND ULTRAFILTRATION PROCESSES FOR THE REMOVAL OF PRIORITY ORGANIC POLLUTANTS FROM WASTEWATERS
Environmental Engineering and Management Journal › Vol. 10 › Nr. 12 This paper presents a study on the integration of two advanced treatment processes for the removal of priority organic processes from wastewaters: catalytic oxidation (Fenton homogenous process) followed by ultrafiltration. The aim of this study was to assess the removal efficiency for 4-chlorophenol (used as model pollutant), as well as the decrease in effluent toxicity in various processes conditions. The experiments have mainly focused on studying the effect of the oxidant dose of the catalyt... Autori: , Cezar Catrinescu, Corina Petronela Musteret, Daniela Arsene, George Barjoveanu, Petru Apopei ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25834
POLYCYCLIC AROMATIC HYDROCARBONS IN WASTEWATER SEWERAGE SYSTEM FROM THE CLUJ-NAPOCA AREA
Environmental Engineering and Management Journal › Vol. 11 › Nr. 1 Polycyclic aromatic hydrocarbons (PAHs) are by-products of petrol transformation; a report prepared by ICON, London, United Kingdom in 2001, showed that the principal sources of polycyclic aromatic hydrocarbons in wastewater are domestic usage, storm runoff and commercial effluent. This work presents the results on 14 commonly occurring and/or highly carcinogenic PAH compounds listed as priority pollutants by the United States Environmental Protection Agency and the European Union. Wastewater sa... Autori: Dumitru Ristoiu, Edward Muntean, Livia Alhafez, Nicoleta Muntean, Radu Mihaiescu, Tania Mihaiescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25847
ENVIRONMENTAL IMPACT OF PULP AND PAPER MILLS
Environmental Engineering and Management Journal › Vol. 11 › Nr. 1 The paper aims to present the environmental impact of pulp and paper manufacturing and the most important production and control practices to minimizing this impact. The environmental consequences of manufacturing pulp and paper from pulping and bleaching processes are discussed in qualitative and quantitative terms. In these processes, sulfur compounds and nitrogen oxides are emitted to the air, and chlorinated and organic compounds and nutrients are discharged to the wastewaters. Large quantit... Autori: Adrian Catalin Puitel, Dan Gavrilescu, Gheorghe Dutuc, Grigore Craciun ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25857
THE IMPACT OF ORGANIC AND MINERAL FERTILIZERS ON THE YIELD AND MINERALS CONTENTS OF Fabaceae FROM PERMANENT GRASSLAND
Environmental Engineering and Management Journal › Vol. 11 › Nr. 1 This paper presents original studies about the influence of mineral and/or organic fertilization on the minerals contents (P, Na, K, Ca, Mg, Fe, Mn, Zn, Cu, Ni and Pb) in leguminous plants from permanent grassland situated in a hill area of Banat County. Determination of minerals in grassland is very important both for the nutritional or toxic effects of these elements and their compounds, in the plants, animals and environment. Phosphorous was analyzed colorimetric and all the others metals hav... Autori: Alexandru Moisuc, Iosif Gergen, Monica Harmanescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25858
LEVELS OF METALS AND ORGANOCHLORINE COMPOUNDS IN SEAFOOD CONSUMED IN CLUJ-NAPOCA, ROMANIA
Environmental Engineering and Management Journal › Vol. 11 › Nr. 1 Marine species (n=36) available in a supermarket of Cluj-Napoca city, Romania were collected and analyzed for the levels of heavy metals (Cr, Cu, Zn, Cd, Pb, Hg) and As, polychlorinated biphenyls (PCBs), and organochlorine pesticides (OCPs), such as dichlorodiphenyltrichloroethane (DDT) and analogous, hexachlorocyclohexanes (HCHs) and hexachlorobenzene (HCB). The collection included samples from twelve fish groups (sardine, tuna, herring, pangasius, marbled rockcod, hake, shrimp, pink shrimp, lo... Autori: Adriana Gog, Claudiu Tanaselia, Ioan Ştefan Groza, Marin Senila, Mirela Miclean, Oana Cadar ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25863
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
MONITORING AND ASSESSMENT OF HERBICIDES REMOVAL BY INDUSTRIAL WASTEWATER TREATMENT
Environmental Engineering and Management Journal › Vol. 11 › Nr. 1 Herbicides industry is a large consumer of water, as well as a major wastewater generator, its effluents contain priority organic pollutants in very high concentrations which have severe effects on human health and on the environment due to their toxicity and bio-recalcitrant nature, persistence in the environment and bioaccumulation. A vast number of herbicides and other priority organic pollutants have been found in wastewater effluents, surface water, and drinking water around the world. The ... Autori: Bianca Weinberg, ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25874
ASSESSING IMPACTS OF TRIAZINE PESTICIDES USE IN AGRICULTURE OVER THE WELL WATER QUALITY
Environmental Engineering and Management Journal › Vol. 11 › Nr. 2 The herbicide use can be seen as an auxiliary path for new farming methods, providing more advantageous farming and land use capabilities and increasing crop yields. Some of them are quickly degraded but others persist in the environmental compartments being toxic for human health and the environment.The aim of this study was to evaluate the impact of some triazine herbicides from agricultural sources on quality of well and surface water, in two regions of Romania with different agricultural act... Autori: Andreea Dragus, Mihail Simion Beldean-Galea, Radu Mihaiescu, Tania Mihaiescu, Dumitru Ristoiu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25889
ASSESSMENT OF THE ENVIRONMENTAL IMPACT OF SOME NEW ARYLOXYALKYL CARBOXILIC ACID DERIVATIVES APPLIED AS PLANT PROTECTION COMPOUNDS
Environmental Engineering and Management Journal › Vol. 11 › Nr. 2 Five new aryloxyalkylcarboxylic acid derivatives (diazoaminoderivatives) are studied for their thermal behavior by applying a coupled TG-FTIR technique over the (30-400 oC) range in correlation with the environmental impact of gaseous species resulting by thermal degradation. These compounds are of a particular practical significance since they show a high biological potential as agrochemicals, such as pesticides (herbicides, acaricides, fungicides, growing stimulators etc.). This is why the pap... Autori: Anca Mihaela Mocanu, Carmen Zaharia, Constantin Iordache, Constantin Luca, Lucia Odochian ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25899
COMPOSITE VEGETABLE DEGRADATION AND ELECTRICITY GENERATION IN MICROBIAL FUEL CELL WITH ULTRASONIC PRETREATMENT
Environmental Engineering and Management Journal › Vol. 12 › Nr. 7 AbstractVegetable waste was used as the fuel of a two-chamber microbial fuel cell (MFC) for simultaneous power recovery and wastedegradation. Effects of ultrasonic pretreatment, organic loadings, anolyte pH adjustment on the MFC performance wereinvestigated. Results showed that higher power generation and organic compounds removal efficiency were achieved in theMFCs with the vegetable waste pretreated with ultrasonication at >1.0W/mL compared to the un-pretreated control. A maximumvoltage of ... Autori: Kun Tao, Xiangchun Quan, Yanping Quan ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=25953
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
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
DSA ELECTRODES FOR TREATING PHARMACEUTICAL EFFLUENTS
Environmental Engineering and Management Journal › Vol. 12 › Nr. 5 AbstractIn the last years many papers have reported about the occurrence of the pharmaceuticals in the surface waters and theirundesirable effects upon the aquatic life. Most of pharmaceuticals pass through the wastewater treatment plants unchangedbecause they are biorefractory compounds and as a result they enter the water bodies. Therefore, it is necessary to improve thebiodegradability of pharmaceuticals effluents (PhEs) before their discharge in the sewerage systems. The aim of this paper wa... Autori: Carmen Lazău, Florica Manea, Monica Ihos ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26021
KINETIC STUDY OF HEXAVALENT CHROMIUM REMOVAL FROM WASTEWATERS BY ION EXCHANGE
Environmental Engineering and Management Journal › Vol. 12 › Nr. 5 AbstractIn spite of the fact that concern on water quality protection raised in the last decades heavy metals pollution still represents agreat threat for both human health and environment quality. Ion exchange proved to be an effective technique for industrialwastewaters treatment, as long as it ensures an effective recovery of valuable compounds. The main purpose of this work is toassess the performances of a commercial ion resin sort (a strong basic anionic resin – VIONIT AT 21), to remove ch... Autori: Alexandra Raluca Miron, Cristina Costache, Cristina Modrogan, Dumitru Giani Apostol, Oanamari Daniela Butucea, Redha Kouachi ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26025
HYBRID MATERIALS FOR THE REMOVAL OF ORGANIC COMPOUNDS FROM WATER
Environmental Engineering and Management Journal › Vol. 12 › Nr. 5 AbstractWater quality is an inportant concern for the ecosystem state from a particular region. Since the continuous urban and economicdevelopment induces a negative impact on entire hydrological cycle, this study investigates the water quality of a Romanian lake,located in the Surduc area - Timis County. This perimeter has undergone significant economic development in the past twodecades due to increased tourism potential and the number of holiday residences.We proposed hybrid materias for the ... Autori: Adina-Elena Segneanu, Cornelia Bandas, Florentina Cziple, Ioan Grozescu, Paula Sfîrloagă, Titus Slavici ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26040
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
CHEMOMETRIC CLASSIFICATION OF ADVANCED OXIDATION PROCESSES FOR THE DEGRADATION OF PHARMACEUTICALS AND PERSONAL CARE PRODUCTS
Environmental Engineering and Management Journal › Vol. 12 › Nr. 3 AbstractThe present study was focused to classify various advanced oxidation processes (AOPs) to degrade sixteen commonpharmaceuticals and personal care products (PPCPs). The classification was based on the degradation rate constant (h-1).Chemometric techniques like principal component analysis (PCA) and cluster analysis (CA) were used to classify AOPs whichcan efficiently degrade a certain class of PPCPs. The bipolt based on first two principal components (PCs) of PCA modelidentified two distin... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26085
THE ROLE OF GREEN CHEMISTRY IN BIOMASS PROCESSING
Environmental Engineering and Management Journal › Vol. 12 › Nr. 3 The book edited by Haibo Xie and NicholasGathergood focuses on one of the most importantscientific issues of the 21 century which is thereplacing fossil fuel with sustainable alternatives suchas biomass. Fossil fuels are conventional rawmaterials for many industrial sectors includingchemical and energy production. Usage of fossil fuelis limited by their availability, price and carbonfootprint. Biomass is a renewable resource globallyavailable, cheaper and carbon sequestering. Step bystep shiftin... Autori: Adrian Catalin Puitel ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26101
RP-HPLC ANALYSIS OF CARBONYL COMPOUNDS IN SOME INDOOR AIR SAMPLES IN A FACULTY FROM CLUJ-NAPOCA
Environmental Engineering and Management Journal › Vol. 12 › Nr. 2
Abstract
This study describes a reversed-phase high-performance liquid chromatography (RP-HPLC) method for the analysis of several
carbonyl compounds in air samples. The air samples were collected using a passive sampling method and cartridges based on
florisil impregnated with 2,4-dinitrophenylhydrazine (2,4-DNPH). After derivatization the carbonyl compounds were analyzed
by liquid chromatography technique coupled with UV detection. The developed RP-HPLC method was used to analyze... Autori: Carmen Roba ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26104
CHANGES IN GROWTH OF WHEAT PLANTLETS INDUCED BY THE ACTION OF THIAMETHOXAM AND THIOPHANATE-METHYL ON SEEDS
Environmental Engineering and Management Journal › Vol. 12 › Nr. 1
Abstract
Pesticides can be considered useful to eliminate pests, but can also induce negative effects to the processes of germination, growth
and development of plants or disrupt some physiological and metabolic processes. By studying the effect of pesticides on treated
seeds germination, and determination of growth indices, it was possible to evaluate the positive or negative influence or toxicity
of the chemical compounds. The aim of this research is to highlight the effects of d... Autori: Daniela Nicuţă ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26142
SURVEY ON TYPICAL ORGANIC POLLUTANTS AND HEALTH RISKS OF MAIN WATER SOURCES IN YELLOW RIVER BASIN
Environmental Engineering and Management Journal › Vol. 12 › Nr. 9 AbstractTo understand the typical organic pollutant contamination status of the main source water in Yellow River basin, samples werecollected from fifty source water points (including reservoir and river) in Yellow River basin. The samples were analyzed for therepresentative organic pollutants, including benzene homologous, chlorobenzene compounds, organophosphorous pesticides, and nitrobenzene compounds, total of 17 compounds. It was observed that all concentrations of the 17 compounds in the ... Autori: Jijun Gao ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26155
OPTIMIZATION OF PROCESS FOR TOTAL RECOVERY OF ALUMINUM FROM SMELTING SLAG 1. REMOVAL OF SOLUBLE SALTS
Environmental Engineering and Management Journal › Vol. 12 › Nr.12 AbstractWashing black aluminum (Al) slag to obtain soluble salts is an important stage of the smelting slag treatment at technologicalprocess. This process is used to recover Al as a coagulant for water purification. This research aims at establishing the optimalconditions for washing (e.g. temperature (T), solid: liquid ratio (S : L), time, the recirculation waters in the system). The goal ofresearch was to determine: a) the removal with maximum efficiency of the soluble salts from black Al sla... Autori: Romanita Teodorescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26243
PREDICTION OF RATE CONSTANTS FOR NITRATE RADICAL REACTIONS USING A SVM MODEL BASED ON DENSITY FUNCTIONAL THEORY
Environmental Engineering and Management Journal › Vol. 13 › Nr. 2 AbstractIn the present paper, support vector machines (SVMs) are used to develop a quantitative structure-activity relationships (QSAR) model for the reaction rate constants (-logkNO3) of 115 heterogeneous organic compounds, through reaction with nitrate radicals (NO3•) in the troposphere. Two quantum chemical descriptors used as the inputs for the SVM model were calculated with density functional theory (DFT), at the B3LYP level of theory with 6-31G(d) basis set. The best predictions were obtai... Autori: Bing Yi, Jiyong Deng, Xinliang Yu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26284
MINIMIZATION OF CHEMICAL RISK BY USING RECOVERED ALUMINIUM FROM METALLURGICAL SLAG AS COAGULANT IN WASTEWATER TREATMENT
Environmental Engineering and Management Journal › Vol. 13 › Nr. 2 AbstractSecondary aluminium production inherently generates significant amounts of slag of variate composition and including dangerous compounds. Consequently, a care treatment of the resulted slag is imperatively necessary for preventing the environment pollution and for recovering valuable materials even if present in low amounts. The aluminium recovering procedure is based on a chemical and hydrometallurgical slag treatment, leading to the technical grade aluminium sulphate (AS), possible to ... Autori: Carmen Tociu, Cristina Maria, Elena Diacu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26295
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
KINETIC STUDY OF PHENOL REMOVAL FROM WASTEWATER OVER A 0.5% Pt/ γ-Al2O3 CATALYST IN A TRICKLE BED REACTOR
Environmental Engineering and Management Journal › Vol. 13 › Nr. 5 AbstractCatalytic wet oxidation (CWO) of phenol was studied in the present work. The effect of liquid hourly space velocity (LHSV),superficial gas velocity, reactor pressure, temperature and initial phenol concentration on phenols removal was investigated.Results showed that phenol conversion increased with increasing reaction temperature, reactor pressure, and superficial gasvelocity of oxygen, yet it decreased with increasing (LHSV). The results exhibited that the highest phenol conversion of(... Autori: Farah T. Jasim, Luma S. Ahmed, Mohammad F. Abid ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26381
ACCUMULATION AND DISTRIBUTION OF HEAVY METALS IN PLANTS WITHIN THE TECHNOGENESIS ZONE
Environmental Engineering and Management Journal › Vol. 13 › Nr. 5 AbstractThe effects of natural (soil properties) and technogenic factors (atmospheric pollution by harmful industrial discharges, soilcontamination) on accumulation of heavy metals in natural grasslands have been studied at monitoring plots located within theinfluence zone of Novocherkassk power station. Contamination of grass plants by Ni, Cd, Zn and Pb occurs at plots located nearthis station along the line of wind rose. They are contaminated with Pb and Cd through vehicular emission as well. ... Autori: Galina Motuzova, Saglara Mandzhieva, Sergey Kolesnikov, Svetlana Sushkova, Tatiana Bauer, Tatiana Minkina, Victor Chapligin, Yuriy Fedorov ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26384
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
PROTECTIVE EFFECT OF EDIBLE CUCURBITACEAE SEED EXTRACT FROM CAMEROON AGAINST OXIDATIVE STRESS
Environmental Engineering and Management Journal › Vol. 13 › Nr. 7 AbstractAmong foods that possess potent medicinal properties, Cucurbitaceae seeds stand as a promising source, since they are assumedto have a protective effect against oxidative stress. In order to analyze the antioxidant compounds of the seeds of Citrulluslanatus, Lagenaria siceraria, Telfaria occidentalis, Cucurbita maxima, Cucumis sativus, Cucumeropsis mannii, and Cucurbitamoschata, the dried seeds were extracted in MeOH-H2O (50 %; v/v) mixture at constant mixing rate. Qualitative phytochemi... Autori: Aristide Guillaume Silapeux Kamda ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26440
APPLICATION OF SYNTHETIC CHEMICAL COMPOUNDS IN PETROLEUM SLUDGE TREATMENT
Environmental Engineering and Management Journal › Vol. 13 › Nr. 7 AbstractThe sludge treatment processes represent a priority when we refer to the municipal wastewater treatment, but can implicate verycomplex studies and applications if we consider the industrial wastewater recovery and treatment processes. Even if the industrialsludges are seen as wastes, they can represent an important resource if are properly managed in the storage, treatment andrecovery processes. This paper aims to identify some methods to optimize the coagulation and flocculation process... Autori: Mariana Turcu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26444
ELECTROCHEMICAL PROPERTIES OF FLUORINATED HYDRAZINO-PYRAZOLES IN [BMIM+][BF4 -] IONIC LIQUID
Environmental Engineering and Management Journal › Vol. 13 › Nr. 8 AbstractThe electrochemical properties of two fluorinated substrates, namely 1H-3-methyl-4-ethoxycarbonyl-5-(4-fluorobenzylidenehydrazino)-pyrazole (Ia) and 1H-3-methyl-4-ethoxycarbonyl-5-(2-fluoro-benzylidenehydrazino)-pyrazole (Ib)respectively have been investigated in the room temperature ionic liquid (RTIL) 1-butyl-3-methylimidazolium tetrafluoroborateon a platinum electrode. The voltammetric investigation of the above compounds in the mentioned RTIL shows mainly twoirreversible anodic peaks... Autori: Liviu-Virgil Costea ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26471
COMBINED ULTRASONIC IRRADIATION AND AEROBIC BIODEGRADATION TREATMENT FOR OLIVE MILLS WASTEWATERS
› › Nr. 8 AbstractIn this study, the reduction of phenolic compounds and other organic pollutants from greenish black (GB) and dark brown (DB)olive mill wastewater (OMW) was investigated. Ultrasonic irradiation in combination with aerobic biodegradation was adoptedas the treatment technique. Operational parameters such as the duration of ultrasonic irradiation, ultrasonic power intensity andultrasonic frequency were tested to determine their effects on phenol, BOD, and COD degradations. It was found that ... Autori: Zakaria Al-Qodah ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26484
REMOVING TOXIC COMPOUNDS FROM WASTEWATER
Environmental Engineering and Management Journal › Vol. 13 › Nr. 9 AbstractThe paper presents a hybrid method for the advanced removal of low biodegradable organic compounds from water, bycombining the separation selectivity of the membrane with the oxidation efficiency of the photocatalytic process. The aim of thisstudy is to evaluate the performance of the hybrid method to remove toxic compounds from wastewater. The advanced oxidationprocess, based on a photocatalytic reactor with continuous recirculation, ultraviolet (UV) radiations and a membrane, was usedf... Autori: Cristina Orbeci ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26490
BORON-DOPED DIAMOND ELECTRODE-BASED ADVANCED TREATMENT METHODS FOR DRINKING WATER
Environmental Engineering and Management Journal › Vol. 13 › Nr. 9 AbstractIn this study, boron-doped diamond (BDD) electrode was tested in electrochemical oxidation and reduction processes using thesame vertical electrodes undivided cell in order to remove natural organic matter (NOM) and nitrogen compounds (NC) fromdrinking water. Boron-doped diamond-based electrochemical oxidation process has proven to be an efficient and versatilemethod suitable for NOM and NC in forms of nitrite and ammonium present in drinking water sources. However, the applicationof BDD... Autori: Florica Manea ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26492
DETERMINATION OF VOLATILE ORGANIC COMPOUNDS AND PARTICULATE MATTER LEVELS IN AN URBAN AREA FROM ROMANIA
Environmental Engineering and Management Journal › Vol. 13 › Nr. 9 AbstractAs air quality becomes increasingly deteriorated in world-wide cities, air quality monitoring has extended beyond the criteriapollutants (CO, SO2, NOx, O3 and PM) in order to include several toxic air pollutants such as volatile organic compounds(VOCs). In the present study it was investigated the presence of 29 VOCs and PM including PM2.5, PM2.5-10 and PM>10 fractions,in an urban area from Romania. The total VOCs was higher in the urban area (176.72 - 192.54 μg/m3) than in the r... Autori: Carmen Roba ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26504
POLYCYCLIC AROMATIC HYDROCARBONS IN VEGETABLES GROWN IN URBAN AND RURAL AREAS
Environmental Engineering and Management Journal › Vol. 13 › Nr. 9 AbstractVegetables are an important part of a healthy diet because of their nutritional value. Contamination in vegetable may provehazardous for population. Polycyclic aromatic hydrocarbons (PAHs) are compounds widespread in the environment, many ofthem showing carcinogenic effects. These compounds can reach the food chain by different ways and, therefore, the analysis ofPAHs in food is a matter of concern.The present work provides data regarding levels of PAHs: acenaphthene (Ace), acenaphthylen... Autori: Alina Soceanu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26510
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
SECONDARY MUNICIPAL EFFLUENT TREATMENT BY CATALYTIC WET HYDROGEN PEROXIDE OXIDATION
Environmental Engineering and Management Journal › Vol. 13 › Nr. 9 AbstractWater recycling and reuse, answering the needs of creating cleaner water resources, need to be closely related with water resourcemanagement and technologies. Current municipal wastewater treatment plants are capable to control conventional pollutants(carbonaceous compounds, particulate matter, nutrients). Priority organic compounds, like polyaromatic hydrocarbons,polychlorinated biphenyls, endocrine disrupting chemicals, personal care products, pesticides etc., may escape the treatment ... Autori: Andreea Chelba ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26521
A PRELIMINARY STUDY ON ELECTROCATALYTIC CONVERSION OF CO2 INTO FUELS
Environmental Engineering and Management Journal › Vol. 13 › Nr. 10 AbstractThe CO2 electroreduction in gas phase using Pt on carbon black catalysts is investigated in this work. This process is expected tobecome a key technology to prevent anthropogenic CO2 emissions. Specifically, the electrocatalytic reduction in a solventless gasphase is studied, as a first approach to later develop a photoelectrocatalytic device for the efficient conversion of CO2 to fuelsusing solar energy for the reaction. The objective of this preliminary work has been the tuning up of t... Autori: Fabiola Martínez ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26578
REMOVAL OF AROMATIC COMPOUNDS FROM WASTEWATER BY HEMOGLOBIN SOLUBLE AND IMMOBILIZED ON EUPERGIT CM
Environmental Engineering and Management Journal › Vol. 13 › Nr. 10 AbstractThe potential application of methemoglobin from bovine blood to remove aromatic compounds in the presence of hydrogenperoxide has been evaluated. The organic compounds herein tested include phenols, amines or hydrocarbons, which arepollutants deriving from different industries and display high persistence and toxicity in waters. The oxidative process has beencharacterized by soluble hemoglobin and immobilized on Eupergit CM, using 4-chlorophenol as a model substrate. Theobtained ... Autori: María Teresa Pérez-Prior ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26580
ESTIMATING NATIONAL WILDFIRE EMISSIONS FOR THE LAST DECADE IN TURKEY
Environmental Engineering and Management Journal › Vol. 13 › Nr. 12 Abstract
Wildfire emissions are a major contributor of atmospheric gaseous and particulate pollutants for local air pollution levels. With
respect to wildfires, Turkey faces one of Europe’s most severe problems during summer. In this study, a database which holds
data for wildfire emissions in Turkey for the last decade (between 2000 and 2009) was established in order to create a wildfire
emissions inventory. The emissions of carbon dioxide (CO2), carbon monoxide (CO), methane (CH4), n... Autori: Faruk Dincer ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26584
ANAEROBIC BIOREMEDIATION OF PAH–CONTAMINATED SOIL: ASSESSMENT OF THE DEGRADATION OF CONTAMINANTS AND BIOGAS PRODUCTION UNDER THERMOPHILIC AND MESOPHILIC CONDITIONS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 1 Abstract
The degradation of polycyclic aromatic hydrocarbons (PAHs) including fluorene, phenanthrene, anthracene, fluoranthene and
pyrene were investigated under thermophilic and mesophilic anaerobic-methanogenic conditions. By using central composite
design, the impact of PAH concentration and soil to inocula ratio were systematically studied for their influence on PAH removal
and biogas production. During the first 30 days, PAH concentration decreased in all samples indicating that the ino... Autori: Tahseen Sayara ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26629
STUDY OF THE SYNTHESIS AND ENVIRONMENTAL REMOVAL OF 4,4’-DIPYRIDINE DERIVATIVES
Environmental Engineering and Management Journal › Vol. 14 › Nr. 2 Abstract
Dipyridine derivatives are used on large scale and pose significant environmental problems. We have synthesized dipyridine
derivatives with: 5-chlorovaleric acid, α-dichlorhidrin, iodoacetamide and 11-bromoundecanoic acid. The synthesized substituted
compounds were investigated by LC-MS. The adsorptive removal of dipyridine derivatives from aqueous solution has been
studied using medicinal activated carbon. The adsorption rate has been investigated under the controlled process... Autori: Ana Chira ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26638
DEVELOPMENT AND OPTIMIZATION OF WATER BASED PAINT FORMULA IN ORDER TO REDUCE VOCs EMISSIONS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 2 Abstract
The interest in waterborne paints amelioration increased lately due to the toxicological effect of certain ingredients on human
health, the restrictive environmental legislation and the depletion and escalation in price of raw materials. Research efforts in
formulating waterborne paints are directed to insure low volatile organic compounds (VOCs) emission while maintaining and
even improving their properties.
This paper presents a waterborne paint formulation process. The required ... Autori: Andrei Ionut Simion ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26639
AN IMPROVED METHODOLOGY FOR DETERMINATION OF RADIOCHEMICAL AND CHEMICAL IMPURITIES IN THE SYNTHESIS PROCESS OF 18F-FDG (2-[18F] FLUORO-2-DEOXY-D-GLUCOSE)
Environmental Engineering and Management Journal › Vol. 14 › Nr. 2 Abstract
18F-FDG is a glucose analog in which the hydroxyl group on the second carbon is substituted with 18F, being used as an indicator
of glucose uptake and cell viability.
The aim of this work was to synthesize the 18F-FDG and to validate the methodology for the assessment of its both radiochemical
and chemical purities, according to the European Pharmacopoeia. The proposed methodology encompasses three
chromatographic methods: radio-HPLC, radio-TLC and HS/GC.
Radiochemical impurities ... Autori: Mirela Mihon ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26640
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
SEPARATION OF AROMATIC INTERMEDIATES OF BIOLOGICAL INTEREST USING EMULSION LIQUID MEMBRANES
Environmental Engineering and Management Journal › Vol. 14 › Nr. 2 Abstract
Established applications of emulsion liquid membranes (ELM) refer to refining in hydrocarbons and hydrometallurgical
processing, rehabilitation of poisoned patients. In this work we investigated the separation of aromatic compounds of biological
interest, more often encountered as intermediates in dyes and drugs industry: aniline, nitrobenzene, ortho and para-toluidine,
using emulsion liquid membranes. The experimental results showed that in the case of basic substances separation t... Autori: Alexandra Raluca Miron ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26650
SYNTHESIS AND ELECTRON TRANSPORT PROPERTIES OF SOME NEW 4,7-PHENANTHROLINE DERIVATIVES IN THIN FILMS
› › Nr. 2 Abstract
Temperature-dependent d.c. electric conductivity of some recently synthesized organic compounds, 4,7-phenanthroline
derivatives is studied. Thin-film samples (d=0.34-0.63 m) spin-coated from dimethylformamide solutions onto glass substrates
have been used. Organic films with reproducible electron transport properties can be obtained if, after deposition, they are
submitted to a heat treatment within temperature range of 298523K. Examined organic compounds in thin fil... Autori: Cristina M. Al Matarneh ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26656
TRANSFORMATION OF TECHNOGENIC Cu AND Zn COMPOUNDS IN CHERNOZEM
Environmental Engineering and Management Journal › Vol. 14 › Nr. 2 Abstract
The influence of exogenous form of heavy metals intake on their transformation in the soil is determined during model
experiments. Distinctions in quantity of extracted mobile compounds of heavy metals in the soil depending on a form of addition
various connections of Cu and Zn are established. The smallest mobility of Cu and Zn at addition of heavy metal oxides is
observed. It is established that Cu accumulates mainly in the fraction connected with organic matter; Zn accumulates in... Autori: Tatiana M. Minkina ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26662
DESIGN AND PERFORMANCE EVALUATION OF A PLANT FOR GLYCEROL CONVERSION TO ACROLEIN
Environmental Engineering and Management Journal › Vol. 14 › Nr. 3 Abstract
The development of biodiesel industry in the recent past brought into discussion the valorization of glycerol as the byproduct of
this technology. Dehydration of glycerol leads to acrolein, mainly used as a raw material in the production of acrylic acid and its
esters. Several research efforts dealing with the synthesis of acrolein from glycerol are reported in the literature. However, they
are limited to catalyst testing on laboratory scale, no attention being paid to the process f... Autori: Ionut Banu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26666
INFLUENCE OF NANOPOROUS MATERIALS ON THE CHEMICAL COMPOSITION OF MERLOT AND CABERNET SAUVIGNON WINES
Environmental Engineering and Management Journal › Vol. 14 › Nr. 3 Abstract
The variation of the content of 12 phenolic compounds from 5 months aged Cabernet Sauvignon and Merlot wine samples treated
with siliceous and aluminosiliceous porous materials was analysed through a HPLC method. The standard physical-chemical
analyses (alcoholic concentration, total acidity, volatile acidity, relative density, reductive sugars, total dry extract, non-reductive
extract, free SO2, total SO2, pH) were registered. The used nanomaterials: SBA-15, Al-MCM-41, KIT-6 were s... Autori: Camelia Elena Luchian ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26667
ADSORPTION OF ENDOCRINE DISRUPTORS ON EXFOLIATED GRAPHENE NANOPLATELETS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 3 Abstract
Drinking water treatment using activated carbon (AC) decontamination offers effective methods for removing some organic
compounds, tastes and odors, but it is not so efficient for metals, nitrates, microbial contaminants and other organic and inorganic
contaminants. In the last years, nanotechnologies introduced several types of nanomaterials for organic, inorganic and biological
removal of contaminants in drinking water, such as: sorption, filtrations and catalytic processes. In th... Autori: Elena Radu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26671
MAGNETIC CONTAMINATION OF ENVIRONMENT – LABORATORY SIMULATION OF MIXED IRON OXIDES IMPACT ON MICROORGANISM CELLS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 3 Abstract
Magnetic contamination is considered more and more as a challenging issue related to biosphere pollution with magnetic
materials originating in natural and artificial sources (volcanic eruptions and respectively industrial activities that contributed to
iron and other metal compounds spreading in air, water and soil). Aiming to study the impact of magnetic metal ions such as iron
and cobalt on the metabolism of some environmental microorganisms, in this paper an experimental simulat... Autori: Lacramioara Oprica ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26675
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
SUPERCRITICAL FLUIDS AND ULTRASOUND ASSISTED EXTRACTIONS APPLIED TO SPRUCE BARK CONVERSION
Environmental Engineering and Management Journal › Vol. 14 › Nr. 3 Abstract
Supercritical fluid and ultrasound assisted extractions were applied as a first step in a complex processing of spruce bark in order
to recover polyphenols compounds. The aim of the study was to compare the efficiency of these "green" processes with a
conventional extraction technique (ethanolic extraction). Supercritical fluid extraction was carried out in two steps: (i) static
extraction for 15 min at 1000 psi with pure CO2 and (ii) dynamic extraction for 45 min at 35, 4... Autori: Adina Iulia Talmaciu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26680
NITROGEN AND PHOSPHORUS REQUIREMENT IN ANAEROBIC PROCESS: A REVIEW
Environmental Engineering and Management Journal › Vol. 14 › Nr. 4 Abstract
Anaerobic processes have been successfully applied in the treatment of municipal and industrial wastewaters. Judicious use of
nutrients in anaerobic treatment has not been systematically investigated. The optimal nutrient dosage for anaerobic wastewater
treatment systems is largely unknown. In this paper, COD:N:P ratio used by various researchers in anaerobic wastewater
treatment systems for treating different types of wastewaters are compiled and critically analyzed. In order to ha... Autori: Athar Hussain ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26697
DETERMINATION OF POLYPHENOLIC COMPOUNDS IN MURFATLAR WINES BY VALIDATED SPECTROPHOTOMETRIC METHOD
Environmental Engineering and Management Journal › Vol. 14 › Nr. 4 Abstract
Simple, cost effective, accurate and reproducible UV-spectrometric method was developed and validated in order to estimate
total polyphenolics content (TPC) of some Romanian red and white wines. Furthermore, the total flavonoids and nonflavonoids
of the wines were also determined. The TPC has been measured using the Folin-Ciocalteu method. The method was tested and
validated for various parameters: specificity and selectivity, precision, accuracy, detection and quantization limits a... Autori: Simona Dobrinas ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26708
NOVEL ELECTROKINETIC REMEDIATION SYSTEM - BORON DOPED DIAMOND (EKR-BDD) PROCESS FOR THE DESTRUCTION OF POLYAROMATIC HYDROCARBONS (PAHs) IN LIQUID PHASE
Environmental Engineering and Management Journal › Vol. 14 › Nr. 4 Abstract
This research evaluated two electrokinetic remediation systems (EKR) for separating phenanthrene from bentonite and its
electrochemical destruction by using a Boron Doped Diamond (BDD) electrode. The effect of the electrochemical potential for
the oxidation of phenanthrene in liquid phase with Ti/BDD was analyzed by Normal Pulse Voltammetry and Hydroxyl Radical
(●OH) analysis using the Spin Trapping Technique. The results showed that 70% of phenanthrene was removed from benton... Autori: Alejandro Medel ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26710
PREPARATION, CHARACTERIZATION AND ADSORPTION PROPERTIES OF MFe2O4 (M = Ni, Co, Cu) NANOPOWDERS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 6 Abstract
MFe2O4 nanopowders (M = Ni, Co, Cu) were prepared using the precursor technique, starting from the corresponding metal
nitrates and poly(vinyl alcohol)-PVA. During the heating of metal nitrates- PVA solution, a redox reaction takes place around
150°C, leading to the formation of M(II) and Fe(III) carboxylates. These compounds were used as precursors for the ferrites
nanopowders. The desired ferrites were obtained by thermal decomposition of the carboxylates; the obtained... Autori: Marcela Stoia ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26745
ORGANOPHOSPHORUS PESTICIDE RESIDUES IN SOIL AND VEGETABLE, THROUGH DIFFERENT GROWING SYSTEMS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 6 Abstract
The intensive vegetable system means that more toxic organic and inorganic compounds are entering the environment. The aim
of this study was to obtain the necessary answers on the content of organophosphorus pesticides (OPPs) regarding to quantify
these residues on soils cultivated with vegetables in conventional, organic and conversion systems, and also determine which
pesticide residues are going in edible vegetable parts.
A number of 23 OPPs were analyzed from soil (50 samples) ... Autori: Vasile Stoleru ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26768
INDOOR AND OUTDOOR VOLATILE ORGANIC COMPOUNDS MONITORING IN A MULTI-STOREY CAR PARK
Environmental Engineering and Management Journal › Vol. 14 › Nr. 7 Abstract
A VOC monitoring was carried out inside and outside a multi-storey car park in order to characterize the emission profile of
vehicular traffic source in an indoor environment. BTEX, and in particular toluene, were the most abundant compounds in all
monitored sites, with different compositions between indoor parking areas and outdoor sites. The motor vehicle exhaust and
gasoline vapor emission in these enclosed parking garages were characterized by diffusion or degradation phenomena ... Autori: Gianluigi de Gennaro ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26778
AROMATIC HYDROCARBON LEVELS AND PM2.5 CHARACTERIZATION IN ROME URBAN AREA: PRELIMINARY RESULTS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 7 Abstract
The preliminary results of aromatic hydrocarbon (AR) levels and PM2.5 physico-chemical characterization in Rome urban air
throughout the 2014 are reported. A gas chromatograph was used for continuous measurements of AR concentrations with 30
minute time intervals. PM2.5 was collected by PM swam Dual Channel. Metal content was determined by ICP-MS. Single particle
characterization was performed by Scanning Electron Microscopy equipped with a thin window system for X-ray microanalysis... Autori: Carla Fanizza ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26780
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
ASSESSMENT OF INDOOR POLLUTION IN A SCHOOL ENVIRONMENT THROUGH BOTH PASSIVE AND CONTINUOUS SAMPLINGS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 7 Abstract
The aim of this study is to assess indoor air quality in an educational institute located in a suburban area of the Po plain (Italy).
Samplings are carried out in preschool and elementary school classrooms, and also in the garden of the institute, to have
information on outdoor levels. The monitoring is performed to determine the most important indoor pollutants (i.e. volatile
organic compounds (VOCs), carbonyls and NO2), by using diffusive passive samplers. Sampling in the classroo... Autori: Ivano Vassura ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26797
RESEARCHES ABOUT THE CHARACTERIZATION OF METALLURGICAL SLAGS FOR LANDFILLED WASTES MINIMIZATION
Environmental Engineering and Management Journal › Vol. 14 › Nr. 9 Abstract
The aim of this paper is to assess the chemical and mineralogical composition and the leaching behavior of the electric arc
furnace slags (EAFS) in order to improve their management by identifying suitable reuse options in different fields. The chemical
and mineralogical composition of slag varies from one type of steel to another, from one technological stage to another and from
one steel plant to another. In order to minimize the slag quantities disposed in the slag dumps one has ... Autori: Dana-Adriana Iluţiu-Varvara ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26835
NOVEL BIOACTIVE AND BIODEGRADABLE MATERIALS FOR MEDICAL APPLICATIONS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 11 Abstract
Poly(vinyl chloride) (PVC) is the most widely used material for the production of medical devices such as intravenous fluid bags
and tubing, enteral feeding, dialysis equipment and catheters. Despite of their numerous advantages, the plastic medical devices
are non biodegradable and prone to microbial colonization causing biofilm associated infections which are difficult to treat and
tend to chronicisation. A possible solution to surpass these limitations could be the fabrication of... Autori: Petruța Stoica ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26894
CONDUCTIVE-DIAMOND ELECTROCHEMICAL OXIDATION OF A PHARMACEUTICAL EFFLUENT WITH HIGH CHEMICAL OXYGEN DEMAND (COD). KINETICS AND OPTIMIZATION OF THE PROCESS BY RESPONSE SURFACE METHODOLOGY (RSM)
Environmental Engineering and Management Journal › Vol. 15 › Nr. 1 Conductive-diamond electrochemical oxidation processes are promising technologies for treating biorefractory industrial wastes
with organic loads below 20000 mg L-1. In this work, electrochemical oxidation of a real industrial pharmaceutical wastewater
with conductive-diamond anodes has been studied. The electrolyses were carried out in discontinuous operation mode under
galvanostatic conditions, using a bench-scale plant equipped with a single compartment electrochemical flow cell. For optim... Autori: Joaquín Ramón Domínguez ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26927
FATE OF METRONIDAZOLE UNDER SOLAR IRRADIATION
Environmental Engineering and Management Journal › Vol. 15 › Nr. 1 Photodegradation caused by sun irradiation may be of major significance in the natural elimination process of pharmaceuticals
and personal care products (PPCPs). The fate of metronidazole (MET) in surface water under solar irradiation was investigated.
Several parameters affecting the photochemical degradation rate of MET were investigated, including the initial pharmaceutical
concentration, continuous input and the presence of other pharmaceuticals like tinidazole (TNZ) with similar structur... Autori: Bo Wu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26928
MINERALIZATION OF SALICYLIC ACID IN WATER BY CATALYTIC OZONATION
Environmental Engineering and Management Journal › Vol. 15 › Nr. 1 The influence of key process parameters of homogenous catalytic ozonation using ferrous or manganese catalysts on the
mineralization rate of salicylic acid (SA), model pharmaceutical pollutant, in water was investigated. In order to assess the
combined influence and interactions of studied process parameters as well, the empirical/statistical approach applying Box-
Behnken experimental design (BBD) combined with response surface methodology (RSM) was applied. Three numerical and
one categori... Autori: Kresimir Koricic ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26939
A REVIEW OF FERROELECTRIC PACKED BED NON THERMAL PLASMA REACTOR FOR VOLATILE ORGANIC COMPOUNDS DECOMPOSITION
Environmental Engineering and Management Journal › Vol. 15 › Nr. 2 One way to improve the performance of non-thermal plasma (NTP) reactor for volatile organic compound decomposition is by the
introduction of ferroelectric materials into the discharge zone of NTP. This paper is a review of the breakthroughs and the current
status of the applications of this technology for the abatement of volatile organic compounds (VOCs). It covers the process of
energy generation in NTP, VOCs decomposition processes and the effects of critical factors such as type of packed... Autori: Abdullahi Mohammed Evuti ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26948
ALLELOPATHIC POTENTIAL OF THE Ranunculus rionii LAGGER AND Ceratophyllum demersum L. EXTRACTS AGAINST MICROBIAL AND MICROALGAL CULTURES
Environmental Engineering and Management Journal › Vol. 15 › Nr. 2 Ranunculus rionii and Ceratophyllum demersum develop aquatic dense stands, which lately started to represent a major
ecological concern for all the ponds and/or lakes in Romania. The potential relationships between the phytochemical compounds
detected in these plant extracts (acids, phenols, heterocycles, alcohols, hydrocarbures) and the allelopathic properties against
Gram positive and Gram negative bacterial strains and microalgal cultures were investigated and discussed in the current stud... Autori: Mariana Lupoae ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26971
ECO-INNOVATIVE TECHNOLOGIES FOR MITIGATING GASEOUS EMISSIONS FROM WASTEWATER COLLECTION SYSTEMS
Environmental Engineering and Management Journal › Vol. 15 › Nr. 3 The study aims to identify important challenges that the practitioners and researchers in wastewater collection systems are facing
in order to reduce the emissions of hydrogen sulphide and greenhouse gas emissions. Based on literature review, it identifies the
main technologies used for avoiding and removing odorous compounds from wastewater gas streams. The paper also highlights
issues pertaining to the emission and biofiltration of hydrogen sulphide, methane and nitrous oxide from sewage co... Autori: Iulia Carmen Ciobotici Terryn ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26984
EFFECTS OF DIFFERENT SANITIZATION TREATMENTS ON SOIL CHARACTERISTICS
Environmental Engineering and Management Journal › Vol. 15 › Nr. 3 In the present study, the effects of two methods for thermal sanitization of soil, by oven and by autoclave, and two non-ionizing
radiation sterilization methods, UVC and microwave on pH, conductivity, dry weight, total number of germs and respiration of
samples from neutral commercial soil were evaluated, using international standard methods. Also, the infrared and UV-VIS
spectroscopy were applied for the determination of chemical properties and structural characterization of humic acid and
... Autori: Dumitra Raducanu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26985
INFLUENCE OF CLIMATIC FACTORS ON THE POLLUTION WITH NITROGEN OXIDES (NOX) IN BACAU CITY, ROMANIA
Environmental Engineering and Management Journal › Vol. 15 › Nr. 3 Air pollution has a significant impact on human health and natural ecosystems. The principal gaseous pollutants compounds
result from different types of combustion processes. In this category there are included carbon monoxide (CO), carbon dioxide
(CO2), nitrogen oxides (NOx), dust and hydrocarbons. Nitrogen oxides are a group of highly reactive gases, which contain
nitrogen and oxygen in varying amounts. Most of the nitrogen oxides are colorless and odorless gas. This paper highlights the
c... Autori: Doina Capşa ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26988
WOOD WASTE AS A RENEWABLE SOURCE OF ENERGY
Environmental Engineering and Management Journal › Vol. 15 › Nr. 3 The renewable sources of energy represent a viable alternative for satisfying the energetic needs of humanity in case the fossil
fuels reserves are exhausted, which is estimated to occur in maximum 25 years if the current rate of exploitation is maintained.
Nowadays, there are several concerns about the valorization of the energetic potential of these resources (wind, water flows,
solar, geothermal energy etc.), but also a series of extremely beneficial practical uses (i.e. wind parks, photov... Autori: Daniela Suteu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26989
OCCURRENCE OF PLASTIC WASTE IN THE ENVIRONMENT: ECOLOGICAL AND HEALTH RISKS
Environmental Engineering and Management Journal › Vol. 15 › Nr. 3 Environmental threats posed in the environment by plastic production and plastic wastes continue to be a major problem today,
closely connected with the increase of plastics consumption by the population. Moreover, little efforts are involved in some parts
of the world associated to plastic waste collection, recycling and reuse. Considering all these prerequisites, the identification and
discussion of risks generated by plastic production and waste in the environment are performed in this pap... Autori: Elena - Diana Comăniță ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26990
MEASUREMENTS OF O3, NOX AND VOCs DURING SUMMER IN BEIJING, CHINA
Environmental Engineering and Management Journal › Vol. 15 › Nr. 3 Measurements were taken for Ozone (O3) and its precursors simultaneously from June to August 2008 in Beijing. We analyzed
the spatial and temporal variability of O3 and its precursors and the roles of the precursors in O3 formation. The results suggest
that O3 mixing ratios are higher in rural areas than in urban areas. Highest mixing ratios of VOCs were alkanes, followed by
aromatics; alkenes and biogenics were present at lower mixing ratios. Because of their relatively high reactivities, ar... Autori: Junlin An ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=26994
INVESTIGATION OF AMMONIUM ION ADSORPTION ONTO REGENERATED SPENT BLEACHING EARTH: PARAMETERS AND EQUILIBRIUM STUDY
Environmental Engineering and Management Journal › Vol. 15 › Nr. 4 The release of nitrogen compounds into the environment is a major concern worldwide. Different studies howed that recycled
materials have a high removal capacity for pollutants. Bentonite and its major clay minerals, smectites clays are common
bleaching agents used for oil refinery bleaching and known as bleaching earth (BE). In this study regeneration of spent bleaching
earth (SBE) acquired from the vegetable oil industry was surveyed via different methods and the regenerated spent bleaching... Autori: Mohammad Malakootian ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27000
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
EVALUATION OF POWDERED ACTIVATED CARBON PERFORMANCE FOR WASTEWATER TREATMENT CONTAINING ORGANIC (C6H6 AND C6H5-CH3) AND INORGANIC (Pb+2 AND Zn+2) POLLUTANTS
Environmental Engineering and Management Journal › Vol. 15 › Nr. 5 The removal of toxic heavy metal ions such as lead and zinc from industrial and mining wastewaters has been widely studied
because their existence in surface and underground water is responsible for several types of health problems caused to animals
and human beings. Also, there are some organic compounds, which must be prevented from reaching in drinking water from
various sources of pollution. For these reasons in this paper the experiments were conducted to study the ability of activated
... Autori: Cristina Ileana Covaliu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27027
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
FACTORS INFLUENCING THE THERMOCHEMICAL BEHAVIOURS OF TIRE RUBBER: PART I - INFLUENCE OF FIBER AND METAL
Environmental Engineering and Management Journal › Vol. 15 › Nr. 6 In this paper both kinetic and thermodynamic parameters of thermochemical transformation of waste tires are evaluated by using
thermogravimetric analysis (TGA). For rubber thermochemical decomposition, individually and in the presence of other tires
components, some kinetic and thermodynamic parameters such as energy of activation (Ea), frequency factor (A), reaction
enthalpy (ΔH), entropy (ΔS) and free energy (ΔG) have been calculated by using the integration method.
The e... Autori: Sana Kordoghli ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27060
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
STUDIES ON THE USE OF CALCIUM HYPOCHLORITE IN THE TiO2 MEDIATED DEGRADATION OF PHARMACEUTICAL WASTEWATER
Environmental Engineering and Management Journal › Vol. 15 › Nr. 8 The present study investigates the effect of addition of calcium hypochlorite in the titanium dioxide (TiO2) mediated degradation
of bio-recalcitrant wastewater from pharmaceutical industry. The degradation studies were carried out in photoreactor irradiated
with ultraviolet (UV) light at 365 nm under slurry mode. The reduction in chemical oxygen demand (COD) was estimated as an
index of degradation. The influence of process parameters viz., catalyst dose, pH, oxidant concentration and source... Autori: Amit Dhir ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27097
p-COUMARIC ACID CONTENT IN SWEET PEPPER UNDER FARMING METHODS
Environmental Engineering and Management Journal › Vol. 15 › Nr. 8 Intensive agriculture has become an indispensable practice because it has to meet the needs of increasingly large yields to feed
the population of the planet. In recent years, tough challenges to increase the efficiency of bioconversion were performed, since
the conventional system has negative impacts on the environment, especially on health products by low intake in nutrients.
In this context, the aim of this study is to show the effects of fertilization measures, which improve the quality ... Autori: Daniela Cristina Dimitriu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27110
ECO-FRIENDLY PRODUCTION OF CHEMICALS 1. IMPROVEMENT OF ENZYMATIC PRODUCTION OF ACETOPHENONE BY DIRECT EXTRACTION
Environmental Engineering and Management Journal › Vol. 15 › Nr. 8 Acetophenone can be enzymatically produced by conversion of methylbenzylamine using transaminase. The enzymatic process
is strongly affected by the product inhibition, thus requiring the acetophenone removal from the media during its synthesis. In
this purpose, the individual and selective extraction of acetophenone and methylbenzylamine with the biocompatible solvent nheptane
containing 1-octanol, D2EHPA or TOA has been analyzed at three values of pH (5, 7, and 9). Regardless of the solvent
... Autori: Lenuţa Kloetzer ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27111
CHEMICAL CHARACTERIZATION OF ODOR ACTIVE VOLATILE ORGANIC COMPOUNDS EMITTED FROM PERFUMES BY GC/MS-O
Environmental Engineering and Management Journal › Vol. 15 › Nr. 9 The selection of proper compounds to include in perfumes’ formulation is of particular interest for the perfume industry.
Essential oils and perfumes are subject to quality control as well as to chemical characterization; therefore, GC/MS-O
methodology can be considered a useful tool for research purposes and/or for improving industrial manufacturing processes. In
this study, GC/MS-O methodology was applied to a commercial brand perfume and a natural-derived one, both characterized by
... Autori: Antonella Amenduni ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27125
EXPERIMENTAL AND PREDICTED TOXICITY OF BINARY COMBINATIONS OF DICLOFENAC SODIUM, CARBAMAZEPINE AND CAFFEINE TO Aliivibrio fischeri
Environmental Engineering and Management Journal › Vol. 15 › Nr. 9 In this study, the toxic effects of binary mixtures of Pharmaceutical Active Compounds (PhACs) that are observed in the
effluents from a wide range sewage treatment plants and surface water bodies were investigated using the bioluminescent
bacterium Aliivibrio fischeri (Microtox® test). The selected chemicals were the nonsteroidal anti-inflammatory drug (NSAID)
diclofenac sodium [DCF] and the anti-epileptic carbamazepine [CBZ]. In addition, caffeine [CFF], a psychoactive stimulant of
the... Autori: Valeria Di Nica ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27126
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
EXTRACTION OF BIOCHEMICALS FROM THE WINE INDUSTRY BY-PRODUCTS AND THEIR VALORIZATION
Environmental Engineering and Management Journal › Vol. 15 › Nr. 9 The production process of wine and distilled generates several by-products (20-30% of total production). Currently, most of the
solid by-products (pomace, stalks, lees and seeds) obtained as downstream of the vinery industry, are conferred to the distillery
or, less frequently, used in agriculture and for energy production. As a consequence, much of the antioxidant compounds
contained in the grape is unused in the products of processing and is lost. These substances (among which the most impo... Autori: Paola Zitella ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27135
COMPARISON OF DIFFERENT DURATION OF ANAEROBIC AND AEROBIC PHASES ON ACID RED 18 REMOVAL IN SEQUENCING BATCH REACTORS
Environmental Engineering and Management Journal › Vol. 15 › Nr. 11 In this work, the effect of cyclic anaerobic/aerobic conditions on the biodegradative capability of the mixed microbial culture for the azo dye Acid Red 18 was investigated in the sequencing batch reactors. For this purpose, five anaerobic/aerobic sequencing batch reactors were operated under the same operation conditions at different anaerobic/aerobic reaction times. The whole reaction time was 22-h with anaerobic/aerobic periods of 6/16, 10/12, 14/8, 18/4 and 22/0 (h/h) in An/ASBR1 to 5, respe... Autori: Mohammad Hakimelahi ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27191
CHROMATOGRAPHIC METHOD FOR THE ANALYSIS OF SOME PHARMACEUTICAL COMPOUNDS FROM RIVER WATER
Environmental Engineering and Management Journal › Vol. 16 › Nr. 1 The pharmaceutical compounds are emerging pollutants for which the international scientific community has paid special attention in recent years, because these substances can have adverse effects on living organisms in the aquatic environment. In this paper we developed a chromatographic method for the quantification of trace class of analgesic and anti-inflammatory drugs in river water. The present method is a simple and economical way to perform a preliminary screening of eight widely used pha... Autori: Vasile Ion Iancu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27227
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
EFFECTS OF CERIA CONTENT ON PHYSICOCHEMICAL AND CATALYTIC PROPERTIES OF NANOSTRUCTURED CeO2/Al2O3 USED FOR CATALYTIC REMOVAL OF TOLUENE FROM WASTE GAS STREAMS
Environmental Engineering and Management Journal › Vol. 16 › Nr. 2 The effect of ceria content on the physicochemical properties and catalytic performance of nanostructured CeO2/Al2O3 for removal of toluene from waste gas stream was studied. The properties of the catalysts were addressed using XRD, FESEM, BET, TPR-H2 and FTIR techniques. XRD patterns confirmed the formation of CeO2 with average crystallite size of 7.8-8.7 nm. FESEM images confirmed the presence of fine particles between 25.2-189.1 nm. BET results showed that nanostructured CeO2/Al2O3 had high s... Autori: Saeed Saedy ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27245
THERMAL STUDY OF ADSORBENTS PREPARED FROM WASTE TYRES
Environmental Engineering and Management Journal › Vol. 16 › Nr. 2 Carbonaceous materials were obtained from waste tyres and their potential application as hydrogen sulphide adsorbents was investigated. The adsorbents were obtained by pyrolysis of waste tyres and physical (CO2) or chemical (KOH) activation at 550 and 800ºC. The effect of modification conditions on the performance of waste tyres based materials as adsorbents of H2S at room temperature in dry and wet conditions was investigated. Sorption capacity of such adsorbents was found to strongly depe... Autori: Magdalena Hofman-Bieniek ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27263
SYNTHESIS, CHARACTERIZATION AND FUNCTIONALIZATION OF MCM-41 FOR THE REMOVAL OF ORGANIC COMPOUNDS FROM WASTEWATERS
Environmental Engineering and Management Journal › Vol. 16 › Nr. 3 In this study was synthesized MCM-41 mesoporous silica by hydrothermal treatment and funtionalized with titanium in order to obtain mesoporous materials with high surfacea area and photocatalytic activity in photodegradation of organic compounds as antibiotics. The functionalization of the synthesized support material was achieved by impregnation from alcoholic solution. The obtained materials (MCM-41) and (Ti-MCM-41) were characterized by X-ray diffraction (XRD), scanning electron microscopy (S... Autori: Cristina Orbeci ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27274
A POSSIBLE DISTRIBUTION OF NITROGEN COMPOUNDS DURING NATURAL MINERAL WATERS DISINFECTION TREATMENT
Environmental Engineering and Management Journal › Vol. 16 › Nr. 3 This study aims to evaluate the effects of Fe2+ present in carbonated natural mineral waters on the decomposition of hydrogen peroxide (H2O2) used as sanitizing agent of the collector water tanks and the oxidation of NH4+ to NO3– and NO2– nitrogen compounds from bottled carbonated natural mineral water by the Fenton process. This evaluation suggests that the distribution of the nitrogen compounds, at certain concentrations of H2O2 is influenced by facilitated Fenton reaction in the p... Autori: Daniela Bogdan ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27279
REMOVAL OF DICLOFENAC FROM SECONDARY WASTEWATER EFFLUENTS BY FENTON BASED PROCESSES
Environmental Engineering and Management Journal › Vol. 16 › Nr. 4 This study considers the removal of diclofenac (an important representative of pharmaceuticals and personal care products - PPCPs) from the secondary effluents of Iasi municipal wastewater treatment plant by means of different advanced oxidation processes (homogeneous Fenton, photo-Fenton and photolysis), carried out in a laboratory scale reaction system. The influence of three qualitative or quantitative factors (Fe3+ concentration, the absence/presence of UV-A radiation and H2O2) was studied i... Autori: Cezar Catrinescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27322
ELECTROCHEMICAL DETECTION OF FLUOXETINE IN WATER USING A SILVER MODIFIED ZEOLITE-CARBON NANOFIBER ELECTRODE
Environmental Engineering and Management Journal › Vol. 16 › Nr. 4 Pharmaceuticals contaminants in waters exhibit a significant threat on the human health and the ecosystem quality. This research demonstrates the utility of a silver-doped zeolite-modified carbon nanofiber-epoxy (AgZ-CNF) prepared by two-roll mill method in development of the fast methodology for the detection of fluoxetine (FXT) in the aqueous solution. The results showed the role of zeolite that improved the sensitivity and the limit of detection of FXT resulted to the possibility to propose a... Autori: Magdalena Ardelean ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27328
ECOLOGICAL STUDY ON NITROGEN BIOGEOCHEMICAL CYCLE AFTER CONVERSION FROM GRASSLAND TO CROPLAND IN SOUTHEASTERN EUROPE (ROMANIA)
Environmental Engineering and Management Journal › Vol. 16 › Nr. 4 Conversion of natural ecological systems has been one of the greatest human impact on terrestrial ecosystems. The expansion of anthroposphere altered virtually all biogeochemical cycles of elements. Nitrogen holds a key place in sustaining life and presents unique traits such as broad chemical speciation and mobility within the environmental compartments. With historically adapted ecosystems to low bioavailable nitrogen, understanding the complexity of the nitrogen disruption is a continuous cha... Autori: Andreea Csolti ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27329
DIVERSITY OF SOIL BACTERIA AS INDICATOR OF SOIL POLLUTION IN MOLDAVIA REGION, ROMANIA
Environmental Engineering and Management Journal › Vol. 16 › Nr. 4 To evaluate the effects of seasonal fluctuations, soil types, land use and management inputs on the abundance and composition of soil bacteria, twenty soils types from Moldavia region located in north-eastern Romania were compared. Changes in soil microbiota are an early and sensitive indicator of soil pollution and can be used to predict long-term trends in soil quality. The use of microbial properties as indicator of soil pollution is easily measured and can also be measured accurately across ... Autori: Eugen Ulea ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27333
IMPROVING THE ENERGY EFFICIENCY OF RESIDENTIAL BUILDINGS BY USING A DRAIN WATER HEAT RECOVERY SYSTEM
Environmental Engineering and Management Journal › Vol. 16 › Nr. 7 Continuously increasing energy prices, as well as the increasing number of legal stipulations, bring to the attention of scientists
the necessity of finding solutions for energy saving by using different heat sources. According to the EU Action Plan, the highest
potential of energy savings (27-30% until 2020) will be applied to the existing buildings. Under the circumstances of
environmental issues, research on the use of secondary energy resources is of great interest, being a concern in the... Autori: Timea Gabor ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27395
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
BIOGAS PRODUCTION FROM WHEAT STRAW PRE-TREATED WITH HYDROLYTIC ENZYMES OR SODIUM HYDROXIDE
Environmental Engineering and Management Journal › Vol. 16 › Nr. 8 Lignocellulosic residues are relatively recalcitrant to bioconversion during anaerobic digestion (AD) for biogas production. Pre-treatments with cellulolytic enzymes or diluted alkali can facilitate biomass hydrolysis and enhance the process. Both pre-treatments require low energy and chemical inputs, without accumulation of inhibitor. Milled wheat straw was pre-treated with hydrolytic enzymes or with diluted NaOH before AD. The pre-treatments were performed on sterilized, stabilized with formic... Autori: Ciro Vasmara ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27420
ADSORPTION CHARACTERISTICS OF ALGINATE COMPOUNDS FOR REMOVAL OF CERIUM IONS FROM AQUEOUS SOLUTION
Environmental Engineering and Management Journal › Vol. 16 › Nr. 9 Removal of the heavy metal ions from water disposals remains a widespread problem due to their adverse influence on public
health. The most harmful materials are the products of nuclear fission called radioisotopes such as cerium ions. Cerium barely
interacts with adsorbent materials, therefore the new substances capable to bind cerium are of great interest. Ca and Na alginate
samples were incubated in Ce3+ solutions; adsorption capacity was measured and the results were evaluated using Langm... Autori: Maxim Khotimchenko ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27435
CHEMICAL AND OPTICAL CHARACTERIZATION OF SUBMICRONIC AEROSOL SOURCES
Environmental Engineering and Management Journal › Vol. 16 › Nr. 9 This study analyses the relationship between the scattering properties and the chemical compounds internal mixture of the
aerosols near Bucharest, Romania. Several cases of local aerosols influenced by heating sources, like wood or fossil fuel, are
characterized in order to retrieve the winter period specificity. Correlation between organic and inorganic aerosols composition
from mass spectrometry measurements made with Compact Time (CT) of Flight Aerosol Mass Spectrometer (AMS) and
scatteri... Autori: Luminita Marmureanu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27444
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
DYNAMIC AIR TOXIC EMISSION FACTOR OF MOTORCYCLES IN BANGKOK, THAILAND
Environmental Engineering and Management Journal › Vol. 16 › Nr. 12 Average emission factors of air toxic compounds, emitted from motorcycles in Bangkok, Thailand were analyzed using the IVE (International Vehicle Emission) model. The model was utilized taking into account the actual fleet and characteristics of motorcycles of the study area. Four air toxic compounds (namely benzene, 1,3 butadiene, acetaldehyde and formaldehyde) and their emission rates were calculated under two main pollution abatement scenarios (the improvement of fuel quality and switching of... Autori: Pantitcha Outapa ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27513
INVESTIGATING EFFECTS OF PRODEGRADANT CONTENT ON SELECTED PROPERTIES OF POLYMER COMPOSITE MATERIALS
Environmental Engineering and Management Journal › Vol. 16 › Nr. 12 This paper introduces basic information on the biodegradation of polymers as well as the mechanisms of degradation and factors influencing this process. This paper describes prodegradant additives that induce decomposition of polymers to biodegradable compounds with regard to additives causing oxo-biodegradation. Based on the results of experiments conducted for molded pieces made of polypropylene and extrudates made of low density polyethylene with a d2w prodegradant additive, dependences betwe... Autori: Tomasz Jachowicz ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27519
NEW COMPLEX COMPOUNDS WITH β-AMINOISOBUTYRIC ACID BIDENTATE LIGAND FOR POTENTIAL APPLICATION IN SUSTAINABLE AGRICULTURE
Environmental Engineering and Management Journal › Vol. 17 › Nr. 4 The synthesis and the study of the complexes obtained in this paper represent the beginning of our research for applied coordinative compounds of this type in agriculture. The analysis and the study of Mn(II) complexes with DL-β-Aminoisobutyric acid as ligand were accomplished in aqueous and alcoholic solution and also in solid state.The composition ratios and the stability of the synthesised compounds were analysed with specific methods: conductance, pH measurements, spectrophotometry and ... Autori: Doina Sibiescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27549
KINETICS AND EQUILIBRIUM STUDIES OF 4-CHLOROPHENOL ADSORPTION ONTO MAGNETIC ACTIVATED CARBON COMPOSITES
Environmental Engineering and Management Journal › Vol. 17 › Nr. 4 Among the organic pollutants, the chlorinated phenols represent an important class of compounds having a stable world market of ca. 100 kt per year. Due to their aryl structure and presence of the chlorine atom, chlorinated phenols are exceptionally recalcitrant toward chemical reactions aimed at their reduction. Adsorption from liquid phase has received special interest due to its flexibility and simplicity in operation. Especially adsorption using activated carbon (AC) has been recognized by t... Autori: Marius Sebastian Secula ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27552
EVALUATION OF PHENOLIC COMPOUNDS CONTENT IN GRAPE SEEDS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 4 There is an increasing interest in the food industry and in protective health care for the expansion of natural antioxidants from plant materials. The solid wastes generated by the winemaking industry represent about 30% of the material used and it consists mainly of grape pomace (containing seeds, pulp, stem and skin). It is well known that high quantities of valuable compounds like dietary fibre, oils from the seeds, anthocyanins and phenolic compounds still remain within the grape marc. The p... Autori: Valeriu V. Cotea ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27553
EFFECTIVENESS FACTOR APPROACH FOR CHEMICAL ABSORPTION PROCESS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 4 Absorption of gases into liquids, with chemical reaction, is an important unit operation useful in many fields, especially synthesis of new products and waste gas treatment. Gas treatment means the separation of pollutants: acid gases, organic sulphur compounds, and other contaminants which may be found in gaseous streams. The absorption into liquid is a process almost exclusively used for removal of contaminants. The removal refers to retention of the majority of acid gases present in high conc... Autori: Maria Harja ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27555
VALORIZATION OF MICROALGAL BIOMASS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 4 Microalgae can be considered as significant sources of sustainable and beneficial biocompounds such as carotenoids, lipids, proteins, polysaccharides, pigments, vitamins etc., with many uses in energy production (biofuels), pharmaceutical, cosmetic and food industries. This class of microorganisms are considered as sustainable feedstock due to some major advantages related to metabolism modulation, faster growth rate compared to plants, no use of terrestrial land. This review will present the mo... Autori: Alexandra Cristina Blaga ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27558
STUDY OF DIFFERENT ENCAPSULATING AGENTS FOR THE MICROENCAPSULATION OF VITAMIN B12
Environmental Engineering and Management Journal › Vol. 17 › Nr. 4 Recently, the studies about vitamin B12 increased due to the high number of people who can develop vitamin B12 deficiency, namely: vegetarians, pregnant women or with vitamin B12 malabsorption. One solution to correct the low nutritional intake of vitamin B12 can be using food supplements or pharmaceuticals, based on the vitamin B12 microencapsulation. In the present research, the vitamin B12 microencapsulation and the controlled release of fresh and 4 months’ storage samples of vitamin B1... Autori: Ioana C. Carlan ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27559
PASSENGER CAR DEPENDENCY AND CONSEQUENT AIR POLLUTANTS EMISSIONS IN IASI METROPOLITAN AREA (ROMANIA)
Environmental Engineering and Management Journal › Vol. 17 › Nr. 4 Urban expansion, often seen as an indicator of economic growth and a possible response to housing crisis in big cities, is the main driver for carbon emissions in the metropolitan area due to higher values of household income, vehicle ownership and home size. The transport related pollution includes over 200 different compounds: besides CO2 emissions, CO, NOx, BTX and dust resulting from exhausting processes, from abrasive wear of brakes, tires and road surfaces. The expansion of the urban areas... Autori: Lucian Roșu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27560
ANTIBACTERIAL ACTIVITIES OF BEECH BARK (Fagus sylvatica L.) POLYPHENOLIC EXTRACT
Environmental Engineering and Management Journal › Vol. 17 › Nr. 4 The study provides information about separation and identification of natural bioactive compounds from beech (Fagus sylvatica L.) bark with potential therapeutic applications such as antibacterial activity against human pathogens. Beech is a common material used in the wood industry, but its bark is separated from the wood and is considered a by-product. In this study, natural compounds with biological activity were obtained from beech bark by hot water extraction. The high-performance liquid ch... Autori: Corneliu Tănase ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27561
DIELECTRIC PROPERTIES OF SOME BENT CORE LIQUID CRYSTALS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 4 Dielectric measurements were carried out on a series of bent-core liquid crystals based on resorcinol and 2, 7-dihydroxinaphtalene cores and presenting B mesophase in between 30-160°C. The dielectric constants in the liquid crystalline phase were measured as a function of frequency and temperature. The dielectric relaxation of bent-core compounds has been analyzed by dielectric constants/frequency curves. The variation of the dielectric strength with temperature has been determined as well. ... Autori: Irina Carlescu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27568
Environmental engineering and Management Journal No. 4
› Vol. 1 › Nr. 11 • Environmental engineering and Management Journal No. 4
• AN ENHANCED ENVIRONMENTAL MULTIMEDIA MODELLING SYSTEM (FEMMS): PART II USER INTERFACE AND FIELD VALIDATION
• COST-EFFECTIVENESS OF OPTIMIZING CONCENTRATED FEED BLENDS TO DECREASE GREENHOUSE GAS EMISSIONS
• FATE AND BIODEGRADATION OF ESTROGENS IN THE ENVIRONMENT AND ENGINEERING SYSTEMS A REVIEW
• ANALYSIS OF THE MATERIAL COMPOSITION OF MIXED MUN... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27577
Environmental engineering and Management Journal No. 4
Environmental Engineering and Management Journal › Vol. 17 › Nr. 4 • Environmental engineering and Management Journal No. 4
• AN ENHANCED ENVIRONMENTAL MULTIMEDIA MODELLING SYSTEM (FEMMS): PART II USER INTERFACE AND FIELD VALIDATION
• COST-EFFECTIVENESS OF OPTIMIZING CONCENTRATED FEED BLENDS TO DECREASE GREENHOUSE GAS EMISSIONS
• FATE AND BIODEGRADATION OF ESTROGENS IN THE ENVIRONMENT AND ENGINEERING SYSTEMS A REVIEW
• ANALYSIS OF THE MATERIAL COMPOSITION OF MIXED MUN... Autori: ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27576
GEOGRAPHIC INFORMATION SYSTEM BASED APPROACH FOR THE INVESTIGATION OF GROUNDWATER NITROGEN POLLUTION NEAR A CLOSED OLD LANDFILL SITE IN BEIJING, CHINA
Environmental Engineering and Management Journal › Vol. 17 › Nr. 5 Groundwater pollution investigation near old and closed landfill sites is increasingly attracting more attention. Nitrogen compounds, especially those leached from the landfill area, are often regarded as a main pollution source for the groundwater. This study investigated the nitrogen pollution in the groundwater near a closed old landfill area of Beijing, China. The field investigation showed that the nitrate-polluted groundwater was determined as Class VI (refers to bad quality) at the detect... Autori: Jun Wu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27585
OPTIMIZATION OF PHENOLIC COMPOUNDS ABATEMENT IN OLIVE MILL WASTEWATER BY FENTON’S LIKE TREATMENT WITH H2O2/Cu2+ UNDER MICROWAVE USING EXPERIMENTAL DESIGN
Environmental Engineering and Management Journal › Vol. 17 › Nr. 5 This work describes the application of Fenton’s like system (H2O2/Cu2+) assisted by microwaves to the removal of phenolic compounds from olive mill wastewater (OMWs). The effect of various operating conditions, namely copper ion concentrations (X1), hydrogen peroxide (X2), time of irradiation (X3) and microwave power (X4) were evaluated by factorial design of experiments. Results showed that X1, X2, X3 and X4 had significant effects on the response followed by the interactions X1X2, X1X3, ... Autori: Hamida Iboukhoulef ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27602
SEPARATION OF NATURAL MONOCYCLIC PHENOLICS USING MICELLAR ENHANCED ULTRAFILTRATION WITH A CATIONIC SURFACTANT
Environmental Engineering and Management Journal › Vol. 17 › Nr. 6 Phenolic compounds are known as recalcitrant pollutants in many industrial wastewaters, e.g. olive mill wastewater. An efficient treatment is therefore needed before the discharge of phenol-containing wastewaters into the environment. The possibility of removing some natural occurring phenolics, namely tyrosol, p-coumaric acid and vanillic acid, by micellar-enhanced ultrafiltration (MEUF) using a cationic surfactant, cetylpyridinium chloride (CPC), and polyethersulfone membranes of 20 and 50 kDa... Autori: Abdelilah El-Abbassi ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27607
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
APPLICATION OF DOWNFLOW ANAEROBIC UPFLOW OXIC SUBMERGED BIO-FILM REACTOR (DAUOSBR) IN REMOVING PHOSPHORUS, NITROGEN, ORGANIC MATTER, TURBIDITY AND TOTAL SUSPENDED SOLIDS FROM HOSPITAL WASTEWATER
Environmental Engineering and Management Journal › Vol. 17 › Nr. 6 Aerobic treatment processes using attached media have been studied extensively to remove organic matter from wastewater and also denitrification process. The objective of this study was to assess the ability of down flow anaerobic up flow oxic submerged bio-film reactor (DAUOSBR) to remove phosphorus, nitrogen compounds, BOD5, COD, turbidity and total suspended solids from the Farabi Hospital wastewater. The present work involved designing and building a reactor loaded with down flow anaerobic u... Autori: Meghdad Pirsaheb ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27622
REMOVAL EFFICIENCY OF PAHs IN WASTEWATER: STATISTICAL EVALUATIONS WITH CHEMICAL-PHYSICAL INDICATORS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 2 Polycyclic aromatic hydrocarbons (PAHs) are very hazardous compounds. This investigation is the third in a series of three experiments carried out in conventional wastewater treatment plants with regard to PAHs. The first experiment regarded the analysis of PAHs in a municipal wastewater sewage system and in the wastewater treatment plant (WWTP) effluent, followed by a comparison between the observed removal efficiency and FATE model (US-EPA) predictions. The second experiment was carried out in... Autori: Vincenzo Torretta ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27629
ELECTROCHEMICAL DEGRADATION OF CLINDAMYCIN BY ANODIC OXIDATION ON SnO2-Sb COATED TITANIUM ANODES
Environmental Engineering and Management Journal › Vol. 17 › Nr. 2 Degradation of Clindamycin phosphate (CMP) was studied in aqueous solutions by an anodic oxidation process under galvanostatic conditions. The electrolysis cell consisted of a Ti/SnO2-Sb anode, prepared by dip-coating technique, and a 316 stainless steel cathode, both of which had a surface area of 6 cm2. The effects of critical factors, including CMP concentration, current density, initial pH, and the supporting electrolyte were evaluated. The electrochemical oxidation of CMP was controlled by ... Autori: Mitra Gholami ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27639
CLOSING THE MATERIALS CYCLE IN PYROMETALLURGICAL PRODUCTION OF LEAD FROM WASTE FRACTIONS: HYDROMETALLURGICAL PURIFICATION OF IRON CONTAINING WASTE IN VIEW OF RECYCLING
Environmental Engineering and Management Journal › Vol. 17 › Nr. 2 Pyrometallurgical recycling of lead from spent batteries entails secondary waste fractions generated in the blast furnace as iron stone and lead slags. For further purification of both fractions, hydrometallurgic processing is proposed. This paper focuses on purification of iron stone, in view of recovering metals (mainly lead) and of producing decontaminated iron stone fit for further recycling. The results demonstrate that iron stone is mainly composed of iron and lead; copper, zinc and antimo... Autori: Bart Van der Bruggen ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27642
CONTAMINATION OF GROUNDWATER WITH PHENOL DERIVATIVES AROUND A DECOMMISSIONED CHEMICAL FACTORY
Environmental Engineering and Management Journal › Vol. 17 › Nr. 3 In this study, the concentrations of 15 phenol derivatives were analyzed from the phreatic and groundwater wells surrounding a
decommissioned chemical factory in a village from the western part of Romania. An UPLC-MS method was used to assess the
concentrations of the chemical target compounds in the water samples. The most frequent compounds were 4-chlorophenol, 4-tertoctylphenol
and 4-nonylphenol, being detected in 17 of the 19 sampling sites, while the least frequent compound was 2,4,6-
t... Autori: Elena Preda ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27661
TOXIC COMPOUNDS GENERATED BY METALWORKING FLUIDS AND ALUMINUM SLAG LANDFILL AND THEIR EFFECTS ON ENVIRONMENT AND PEOPLE
Environmental Engineering and Management Journal › Vol. 17 › Nr. 3 This paper presents an assessment of the toxic compounds released from metalworking fluids (MWFs) used in aluminum solid
waste processing and from aluminum slag landfills, and their impact on environmental quality and human health. The mean
concentrations of dust, oil mist, aldehydes, volatile organic compounds (VOCs) released from metalworking fluids were determined
in machine shops. The exposure in machine shops was quantitatively dominated by VOCs, whose concentrations varied in the
range... Autori: http://www.ecozone.ro/reviste.php?RID=27677
CHANGES OF ARSENIC SPECIATION DURING SWINE MANURE WINDROW COMPOSTING AT FULL SCALE
Environmental Engineering and Management Journal › Vol. 17 › Nr. 7 Organoarsenic compounds are used extensively as swine feed-additives to promote animal growth and control diseases, e.g. roxarsone (4-hydroxy-3-nitrobenzenearsonic acid) and arsanilic acid (4-aminophenylarsonic acid) are usually overused in swine industry in China. As a cost-effective technology for animal manure treatment and reuse, composting is widely used for swine manure treatment. Therefore, the purpose of this study was to investigate changes of arsenic species and fractions during a full... Autori: Rui Wang ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27683
STUDY OF NITROGEN FORMS IN SEASONAL DYNAMICS AND KINETICS OF NITRIFICATION AND DENITRIFICATION IN PRUT AND NISTRU RIVER WATERS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 7 The presence of nitrogen in its reduced forms serves as an indicator of natural aquatic system degradation. The excessive concentrations of nitrogen in reduced forms (NH4+, NO2-) found in the sections of the the Shireutsi (of the Prut River) and the Olaneshti (of the Nistru River) prove that these sites are areas to focus efforts on improving water quality. Laboratory simulations indicate a good environmental buffer action of natural waters to potential pollution in Sculeni and Ungheni sections ... Autori: Petru Spataru ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27698
INDOOR AIR QUALITY OF A CAFETERIA WITH A ROTOR TURBINE VENTILATOR (RTV) AND CROSS-CORRELATIONS BETWEEN INDOOR AIR POLLUTANTS, OCCUPANCY RATE AND METEOROLOGICAL PARAMETERS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 9 Indoor air quality (IAQ) improvement potential of rotor turbine ventilator (RTV) was researched by setting up an RTV on the outer part of the chimney of a kitchen, located in a “windy” city, Çanakkale, Turkey. Efficiency of RTV was assessed by preliminary tests, conducted in a three-storey restaurant. After obtaining positive results in terms of airborne bacteria count (TBC) from these tests, long-term measurements were carried out in a cafeteria by air sampling before and aft... Autori: Sibel Mentese ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27734
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
FIGHT AGAINST PERSISTENT ORGANOCHLORINATED POLLUTANTS: DISAPPEARANCE IN PRESENCE OF MICROORGANISMS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 10 The bioremediation represents an ongoing challenge, especially in the case of organochlorinated compounds, due to the difficulties in their degradation that causes persistence in the environment. Herein we report a study on the ability of a mixture of microorganisms (MOM) to interact with organochlorinated compounds belonging to different chemical classes, i.e. DDT, PCB, tetrachlorobenzene, and lindane. Experiments in vitro showed the disappearance, partially reversible of these compounds in mix... Autori: Carla Boga ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27784
AN INTEGRATED HIGH TEMPORAL RESOLUTION APPROACH TO MONITOR VOCs CONCENTRATIONS AND ODOUR ANNOYANCE NEAR A PETROLEUM PLANT
Environmental Engineering and Management Journal › Vol. 17 › Nr. 10 This study aims to monitor Volatile Organic Compounds (VOCs) and odour annoyance perceived by the exposed population living nearby a petroleum plant through an integrated high temporal resolution methodological approach. The area under investigation is considered one of the most critical industrial areas of the South of Italy (Basilicata) because of presence of the largest Italian petroleum plant, called the "Center Olio Val d'Agri" (COVA). In fact, VOCs and odours emitted from ext... Autori: Alessia Di Gilio ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27791
INTEGRATED APPROACH FOR INNOVATIVE MONITORING STRATEGIES OF RESERVOIRS AND LAKES
Environmental Engineering and Management Journal › Vol. 17 › Nr. 10 An innovative strategy significantly increasing data density by introducing a flexible, problem-orientated, and cost-effective water quality monitoring approach is presented. Most current monitoring strategies produce water quality data based on fixed stations conducted on fixed dates throughout a defined period of time and, thus, often give a biased and insufficient picture of the water quality. Establishing a refined picture of water quality while not increasing monitoring costs clearly needs ... Autori: Wiebke Warner ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27805
REUSE OF THE RECYCLED NONMETALLIC FRACTION FROM WASTE PRINTED CIRCUIT BOARDS IN PAVEMENT INDUSTRY
Environmental Engineering and Management Journal › Vol. 17 › Nr. 11 The aim of this paper was to investigate the possibility of incorporation non-metal fraction (NMF) in concrete products as a substitute for aggregate on industrial scale, while other studies are mostly based on NMF incorporation in concrete only on laboratory scale.
Mineral filler was supplemented with 5, 10, 15 and 20 wt.% NMF from waste printed circuit boards (WPCBs) and its influence on concrete quality was assessed based on compressive and tensile strength conducted on laboratory and indust... Autori: Vitomir Premur ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27857
EXPERIMENTAL STUDY OF IN SITU REMEDIATION OF LOW PERMEABILITY SOILS BY BIOVENTING
Environmental Engineering and Management Journal › Vol. 17 › Nr. 11 The goal of the present work is to evaluate the efficiency of bioventing on low permeability soils stimulated with hydraulic fractures and polluted by a mixture of semi-volatile and non-volatile hydrocarbons. A synthetic non-aqueous phase liquid (NAPL) composed of 5 hydrocarbons is prepared: 1,2,4-trimethylbenzene (TMB), methylcyclohexane (MCE), n-dodecane (n-C12), n-decane (n-C10), n-eicosane (n-C20). The capacity of indigenous bacteria to degrade high NAPL concentrations is evaluated with biov... Autori: Dimitra N. Tzovolou ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27849
A REVIEW ON OCCURRENCE, MEASUREMENT, TOXICITY AND TANNIN REMOVAL PROCESSES FROM WASTEWATERS
Environmental Engineering and Management Journal › Vol. 18 › Nr. 1 A wide range and globally active agro-industries such as olive oil processing, winery, tannery, textile and food production discharge
a large volume of wastewater containing tannins. Tannins are complex structured chemicals which cause high organic content,
requiring high dissolved oxygen in wastewater treatment plants or producing oxygen depletion in the aquatic environment. Tannins
are known to be hardly degraded in biological treatment. There has been evidence that the presence of natural ... Autori: Giusy Lofrano ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27885
EMISSION FACTORS FOR LIGHT-DUTY VEHICLES EQUIPPED WITH THREE-WAY CATALYTIC CONVERTER BASED ON MICRO-REACTOR STUDIES: A PROPOSAL FOR AMMONIA, NITROUS OXIDE AND MOLECULAR HYDROGEN
Environmental Engineering and Management Journal › Vol. 18 › Nr. 2 In this work, we report a methodology to provide emission factors based on micro-reactor studies. We propose emission factors for
ammonia (NH3, 158 mg/km), nitrous oxide (N2O, 322 mg/km) and molecular hydrogen (H2, 72 mg/km) for vehicles equipped with
three-way catalytic converter (TWC). Our experimental conditions were similar to those prevailing on vehicles during catalyst
light-off and transient urban driving cycle. NH3 and H2 emission factors reported in this work are quantitatively simil... Autori: Gustavo Ariel Fuentes ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27899
ADSORPTION OF PHENOL ON ADSORBENTS PRODUCED FROM COCONUT TREE WASTE: KINETIC AND EQUILIBRIUM STUDIES
Environmental Engineering and Management Journal › Vol. 18 › Nr. 3 Agro-industrial waste are seen as potential precursors in the development of adsorbents for the removal of phenolic compounds,
which exhibit a harmful effect to human health due to their high toxicity. This work evaluated the use of coal prepared from coconut
tree agro-industrial waste, for the adsorption of phenol in aqueous solutions. Three coal samples were prepared as follows:
carbonized only (Cb), activated with synthetic air (Cair) and activated with CO2 (CCO2). Based on the results of ... Autori: Marta Duarte ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27937
IMPROVING THE SAFETY LEVEL OF PYROTECHNIC ARTICLES TESTING IN VARIABLE CONDITIONS OF MICROCLIMATE
Environmental Engineering and Management Journal › Vol. 18 › Nr. 4 The related European directives in force stipulate that product testing shall be performed in conditions that reproduce as accurately
as possible the real ones that may be encountered during their operation. These are products whose intended use are specified in the
safety data sheet or within the instructions for use, and whose limits of the micro-climatic parameters that can be encountered
(temperature, humidity, wind - for the outside ones, temperature, humidity, generation of restricted t... Autori: Ilie Ciprian Jitea ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27956
MODELLING THE SOURCE TERM FOR POLLUTANTS GENERATED FROM GALVANIC CELLS
Environmental Engineering and Management Journal › Vol. 18 › Nr. 4 Being able to estimate the quantity of pollutants that can be spread in the environment is a factor of paramount importance in the
industrial panorama. In order to accomplish such aim, a crucial step is the estimation of the so-called source term, that is the rate of
generation (or release) of a substance in a generic process. A proper estimation requires to consider both the machinery and the unit
operations present into the analysed system. For such reasons, ad hoc considerations and models... Autori: Marco Barozzi ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27964
A POTENTIAL ALGAECIDE FROM THE PRUNINGWASTES OF GRAPE (VITIS VINIFERA) - STEMS AND LEAVES
Environmental Engineering and Management Journal › Vol. 17 › Nr. 12 A series of water quality and ecological problems are caused by algal blooms, and natural allelochemicals are considered as the source of algaecides due to their friendly advantages to environment. It has been reported that abundance of secondary metabolites are found in grape plants, and the extracts from the plant exhibit antioxidant, antibacterial and antifungal capacities. In order to reveal the anti-algal activity of grape pruning wastes and promote their usage, we analyzed the composition ... Autori: Zhaojiang Zuo ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27971
EFFECTS OF CHLORTETRACYCLINE AND COOPER ON SWINE MANURE ANAEROBIC DIGESTION
Environmental Engineering and Management Journal › Vol. 17 › Nr. 12 Chlortetracycline (CTC) and copper (Cu) are simultaneously used as feed additives to improve the growth performance and to prevent infection in pig farming. After ingestion by animals, most of these compounds are excreted and coexist in swine manure. They might have an influence on anaerobic digestion when the swine manure is used as substrate in a biogas plant. The purpose of this study was to investigate the effects of both CTC and Cu on batch swine manure anaerobic digestion in order to bette... Autori: Rui Wang ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=27983
APPROACH FOR COMPREHENSIVE SUPERVISION OF THE WORKPLACE EXPOSURE TO LEAD AND ITS COMPOUNDS
Environmental Engineering and Management Journal › Vol. 18 › Nr. 7 This paper presents an interdisciplinary methodology for handling the exposure of workers to lead and its compounds in a systematic
way by connecting different disciplines, and thus enabling the comprehensive supervision of the workplace exposure.
The exposure of workers to lead and its compounds was studied in the Republic of Slovenia. The research comprised 1079 employers
being exposed to the lead concentrations between 0.01 and 0.9 mg/m3, which exceeded the limit value by 9 times. Workers ... Autori: Lidija Korat ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28032
PHENOLIC CONTENT AND ANTIOXIDANT ACTIVITY OF EXTRACTS FROM Bifurcaria bifurcata ALGA, OBTAINED BY DIVERSE EXTRACTION CONDITIONS USING THREE DIFFERENT TECHNIQUES (HYDROTHERMAL, ULTRASOUNDS AND SUPERCRITICAL CO2)
Environmental Engineering and Management Journal › Vol. 18 › Nr. 7 Extracts of Bifurcaria bifurcata seaweed were obtained by diverse conditions. Different extraction techniques, such as
hydrothermal and ultrasounds, and three different solvents (water, ethanol and water/ethanol (50:50)) depending on technique were
used. Moreover, supercritical CO2 (SC-CO2) with 10% of ethanol as co-solvent using different extraction times (30, 45 and 60 min)
was also used as extraction technique. Extraction yield, phenolic content and antioxidant activity were measured for e... Autori: Rubén Agregán ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28039
ANTIOXIDANT ACTIVITY AND PHENOLICS CONTENT OF Capsella bursa-pastoris AND Marrubium vulgare DEPENDING ON ENVIRONMENTAL FACTORS
Environmental Engineering and Management Journal › Vol. 18 › Nr. 7 In this work we aimed to examine the influence of the main abiotic factors (temperature, rainfall, relative humidity, atmospheric
pressure) on the synthesis of active compounds (phenolics, flavonoids), with antioxidant and therapeutic effect of two herbs -
Capsella bursa-pastoris (shepherd's purse) and Marrubium vulgare (horehound) collected from two different areas of Romania:
Dobrogea (Constanta) and Muntenia (Bucharest). The studies have shown that biogenesis and accumulation of second... Autori: Elena Neagu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28041
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
ANTIMICROBIAL ACTIVITY, ANTIOXIDANT POTENTIAL AND TOTAL PHENOLIC CONTENT OF TRANSGENIC ATCKX1 CENTAURY (Centaurium erythraea Rafn.) PLANTS GROWN IN VITRO
Environmental Engineering and Management Journal › Vol. 18 › Nr. 9 Common centaury, Centaurium erythraea Rafn., represent the best known and the most investigated medicinal plant species of genus Centaurium. Centaury has been used for centuries in traditional medicine. Secondary metabolites such as bitter secoiridoid glucosides (gentiopicrin, swertiamarin and sweroside), xanthones (eustomin and demethyleustomin), and phenolic acids are the main constituents responsible for the therapeutic properties of centaury. Previous investigation showed that overexpression... Autori: Milana Trifunović-Momčilov ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28068
PRELIMINARY STUDY OF SOIL COMPOSITION FROM BALKAN ENDEMIC NEPHROPATHY AREAS, USING A GC-MS METHOD
Environmental Engineering and Management Journal › Vol. 18 › Nr. 11 Balkan endemic nephropathy (BEN) is a chronic kidney disease occurring predominantly in certain rural villages from Balkan Peninsula, including Romania. Peculiar environmental factors, such as drinking water, organic contaminants derived from coal, plant toxins, mycotoxins, heavy metals have been proposed to be causing the disease. Still, one of these etiological factors stands out: Aristolochia clematitis L., a plant that contains aristolochic acids (AAs) known as carcinogenic and nephrotoxic c... Autori: Lavinia Paula Drăghia ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28104
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
THERMODYNAMIC ANALYSIS OF HEAVY METALS PRECIPITATION FOR THEIR RECOVERY FROM INDUSTRIAL WASTEWATERS
Environmental Engineering and Management Journal › Vol. 19 › Nr. 2 This work seeks to develop a suitable heavy metals precipitation modeling approach that could give reasonable results in mainstream use with industrial wastewater treatment. This paper is devoted to the thermodynamic analysis of the degree of precipitation of slightly soluble hydroxides and salts in industrial wastewaters in order to optimize the technological schemes of extraction and reuse
of heavy metals from industrial waste. Based on the notion of the solubility product, the equations desc... Autori: Igor Povar ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28156
OLEFINS AND FUELS FROM FRYING PALM OIL THROUGH PYROLYSIS
Environmental Engineering and Management Journal › Vol. 19 › Nr. 2 The pyrolysis of frying palm oil was studied in continuous stationary process, in a micropilot plant. The main factors affecting the products yields are temperature and residence time. For the studied parameters range (temperature: 475oC - 630oC and residence time: 120 s- 240 s), the gas yield varied between 7.9% (w/w) and 63.3% (w/w), related to feed. Unsaturated hydrocarbon yields (olefins) can reach 24-29% (w/w) related to feed, at the right processing parameters, the main products having goo... Autori: Ana Maria Sivriu ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28162
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
EXPOSURE TO PHARMACEUTICALS AFFECTS NUTRIENT AND METAL UPTAKE BY WHEAT, Triticum aestivum L.
Environmental Engineering and Management Journal › Vol. 19 › Nr. 4 Interest in water recycling has provided opportunities to evaluate the potential impact of pharmaceuticals and personal care products (PPCPs) on plants where recycled wastewater is used for watering and irrigation. Most researches have focused on the impact of pharmaceuticals on seed germination and plant physiology or the uptake of pharmaceuticals into plants. We sought to find out whether nutrient and metal uptake into wheat plants were affected by the presence of PPCPs (acetaminophen, caffein... Autori: Etem Osma ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28193
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
UASB TECHNOLOGY AND CONSTRUCTED WETLAND ALTERNATIVE TO SEWAGE TREATMENT OF SMALL COMMUNITIES
Environmental Engineering and Management Journal › Vol. 19 › Nr. 7 In Brazil, there is a deficit of access in relation to sewage services for a large part of the population, and this fact is the one responsible for the contamination of watercourses. This is because to the lack of investment in infrastructure in the country, since sewage treatment plants require high costs and high area demand for deployment, besides the installation of the collection system, which
directs the wastewater to treatment. This paper describes the behavior of wetlands as a post trea... Autori: Rodrigo de Freitas Bueno ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28241
ENHANCEMENT OF AMETRYN BIODEGRADATION EFFICIENCY USING ANTHRAQUINONE-2,6-DISULPHONATE IN ANAEROBICAEROBIC TREATMENT
Environmental Engineering and Management Journal › Vol. 19 › Nr. 7 Ametryn (2-(ethylamino)-4-(isopropylamino)-6-(methylthio)-s-triazine), a herbicide present in different type of wastewater was treated using the anaerobic-aerobic batch reactor in the presence of anthraquinone-2,6-disulphonate (AQS) as a redox mediator. The anaerobic co-treatment process was conducted for an influent ametryn concentration of 8-10 mg/L during 280 days in
previously acclimated biomass. Different intermediate compounds of ametryn were identified in the anaerobic effluent using the... Autori: Mahesh Chandra Chattopadhyaya ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28245
PHOTOCATALYTIC DEGRADATION OF DISPERSE BLUE 56 BY Cu-Ti-PILCs AND Fe-Ti-PILCs
Environmental Engineering and Management Journal › Vol. 19 › Nr. 8 Pollution with aromatic hydrocarbon has been rising because of the extreme usage of benzene containing compounds. Most of the people, animals and plants have been exposed to aromatic hydrocarbons due to polluted water sources. The aim of the present work was to carry out an experimental study for the photocatalytic degradation of aromatic hydrocarbon containing compounds by irontitanium- pillared interlayered clays (Fe-Ti-PILCs) and copper-titanium-pillared interlayered clays (Cu-Ti-PILCs). For ... Autori: Beytullah Eren ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28249
PHARMACEUTICALS IN WATER CYCLE: A REVIEW ON RISK ASSESSMENT AND WASTEWATER AND SLUDGE TREATMENT
Environmental Engineering and Management Journal › Vol. 19 › Nr. 8 Pharmaceuticals in the environment are considered as emerging contaminants which are particularly persistent and which could represent a threat both for animals and humans following long-term exposure. Pharmaceuticals include, among others, antibiotics, anti-inflammatory drugs, steroid hormones, antidepressants, β-blockers and lipid regulators. Excretion from humans is considered
the main source of release of such compounds in the environment. The excreted compounds reach wastewater treatm... Autori: Cristiana Morosini ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28257
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
FIELD APPLICATION OF A REAGENT FOR IN SITU CHEMICAL REDUCTION AND ENHANCED REDUCTIVE DICHLORINATION TREATMENT OF AN AQUIFER CONTAMINATED WITH TETRACHLOROETHYLENE (PCE), TRICHLOROETHYLENE, 1,1-DICHLOROETHYLENE, DICHLOROPROPANE AND 1,1,2,2-TETRACHLOROETHANE
Environmental Engineering and Management Journal › Vol. 19 › Nr. 10 Groundwater at an abandoned industrial area near Bergamo, Italy, was historically contaminated by tetrachloroethylene (PCE) (>100 μg/L) and, to a lesser extent, by trichlorethylene (TCE), dichloropropane (DP) and 1,1,2,2-tetrachloroethane (R-130). A
liquid reagent (EHC® Liquid) was selected for remediation of groundwater at the site. The reagent is provided in two parts: EHC® Liquid Mix (a soluble organo-iron salt), and ELS® Microemulsion (a lecithin-based carbon substrate), a... Autori: Alberto Leombruni ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28300
CITRUS AS A MULTIFUNCTIONAL CROP TO PROMOTE NEW BIO-PRODUCTS AND VALORIZE THE SUPPLY CHAIN
Environmental Engineering and Management Journal › Vol. 19 › Nr. 10 Citrus is one of the most important fruit tree crops worldwide, with respect to both total production and economic value. About 80% of the world production is destined to the fresh market, the remaining is processed to obtain various products (juices, jams, etc.). Citrus processing residues account for about 50-60% of processed fruits; their huge amounts and peculiar characteristics need a correct management that imply cost for producers and processors. If not well managed, they can represent an... Autori: Paola Sangiorgio ISSN: 1843 - 3707 http://www.ecozone.ro/reviste.php?RID=28309 |