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Studies on heat treatment of an AlCu4Mg1 alloy
Environmental Engineering and Management Journal › Vol. 7 › Nr. 4
AbstractThis paper presents experimental and theoretical studies regarding the behavior after heat treatment of an AlCu4Mg1 aluminum alloy with positive effect on corrosion resistance. On the basis of these experiments and the regression data obtained, an analysis regarding the influence of heating parameters on quenching and aging in order to obtain a certain stress was made. Two cases were considered: stress and quenching temperature are fixed and aging temperature was determined; stress and a...
Autori: Adrian Dima, Alina Adriana Minea
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25281

Experimental technique for saving energy in oval furnaces
Environmental Engineering and Management Journal › Vol. 8 › Nr. 3
Abstract Changing the working space by introducing some radiant panels has the purpose of intensifying the heat transfer by convection and radiation. By centralizing the experimental results, has been obtained an energetic saving of 28.67 – 32.74 % by using radiant panels; the heating speed of the charge raises with almost 50 % and the heating time of the charge decreases. In conclusion, changing the working space by introducing some radiant panels inside the furnace leads to important ener...
Autori: Alina Adriana Minea
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25426

Photocatalytic oxidation process of sulfamethazine. Modeling based on neural networks
Environmental Engineering and Management Journal › Vol. 8 › Nr. 3
Abstract The photocatalytic degradation of sulfamethazine, a sulfonamide drug, has been investigated experimentally, in aqueous heterogeneous solutions containing n-type oxide semiconductors as photocatalysts, and by simulation, using neural network modeling. Through direct neural network modeling, the evolution of the photocatalytic oxidation process is evaluated as function of illumination time and type of catalyst. Inverse neural network modeling is a particular optimization that gives inf...
Autori: Ciprian George Piuleac, Ioannis Poulios, Silvia Curteanu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25430

Optimization by NN ? GA technique of the metal complexing process. potential application in wastewater treatment
Environmental Engineering and Management Journal › Vol. 9 › Nr. 2
Abstract Some samples consisting in silica functionalized in different degrees with dihydroxy-azomethine groups have been tested as sorbents for copper (II) ions from aqueous solutions in different conditions. An indirect monitoring procedure for the complexing process was approached: UV-VIS absorption intensity ? time variation for the metal-containing solution in which complexing silica was soaked. In order to find the conditions in which the maximum efficiency in the metal absorption can b...
Autori: Ciprian-George Piuleac, Maria Cazacu, Silvia Curteanu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25608

Fast and accurate residential fire detection using wireless sensor networks
Environmental Engineering and Management Journal › Vol. 9 › Nr. 2
Abstract Prompt and accurate residential fire detection is important for on-time fire extinguishing and consequently reducing damages and life losses. To detect fire sensors are needed to measure the environmental parameters and algorithms are required to decide about occurrence of fire. Recently, wireless sensor networks (WSNs) have been used for environmental monitoring and real-time event detection because of their low implementation costs and their capability of distributed sensing and pr...
Autori: Majid Bahrepour, Nirvana Meratnia, Paul J. M. Havinga
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25611

Kernel methods and neural networks for water resources management
Environmental Engineering and Management Journal › Vol. 9 › Nr. 2
Abstract This paper offers a hybrid approach, for the effective estimation of the maximum water supply and the special water flow in the watersheds of Thasos Island. This modeling effort was carried out by employing both artificial neural networks (ANNs) and kernel algorithms. Moreover support vector machines (SVMs) were used for the optimization of the ANNs. Support vector machines were applied to determine the loss of the developed ANN and to enhance its ability to generalize. As a matter o...
Autori: Lazaros S. Iliadis, Stavros Tachos, Stefanos I. Spartalis
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25615

Artificial intelligence applications in the atmospheric environment: status and future trends
Environmental Engineering and Management Journal › Vol. 9 › Nr. 2
Abstract The Air Quality Management problem calls for detailed, case-specific knowledge and requires, due to legal mandates, the development of operational, environmental parameter related, incident forecasting. Both targets can be met by applying Artificial Intelligence (AI) methods, and by employing relevant computational algorithms that are capable of producing reliable results. The current paper provides with an overview of the problem domain, identifies goals and proposes methods that ma...
Autori: Kostas D. Karatzas
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25616

Utilization of two artificial neural network methods in surface water quality modeling
Environmental Engineering and Management Journal › Vol. 9 › Nr. 3
Abstract Artificial neural networks (ANNs) are capable of learning the relationships between the dependent and predictor surface water quality variables and have a high ability to predict from the new data set. In this study, two different ANN methods, the feedforward network (FFN) and the cascadeforward network (CFN) were applied to predict two surface water quality variables such as chlorophyll-a (Chl-a) and fecal coliform (FC) using twelve other variables as an input to the models. Both me...
Autori: Hasan Merdun, Ozer Cinar
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25623

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

INCREMENTAL COST ALGORITHM OF WATER-SAVING PROJECTS FOR GREEN BUILDING
Environmental Engineering and Management Journal › Vol. 10 › Nr. 7
Because the green building industry starts late in China, both the government and developers have a vague view on incremental cost conception, component and algorithm of water-saving projects for green building. According to the comparative analysis of the project and economic efficiency between green building and traditional building in water-saving and water resource utilization aspect, this material presents the conception, component, algorithm and calculating method of the incremental cost i...
Autori: Qiang He, You-Zhi Hao, Fang Zhao, Hong Xiang Chaihttp://www.ecozone.ro/reviste.php?RID=25703

ALGORITHM FOR LIFETIME ESTIMATION OF BATTERIES BASED ON VOLTAGE DISTRIBUTION SHAPE
Environmental Engineering and Management Journal › Vol. 10 › Nr. 8
Abstract:In spite of the large use of batteries throughout the years, both in photovoltaic systems and in other uses, there are still nocomprehensive analyses in ageing studies and, when they exist, statistics turn out to be limited. In this sense, this macro-grid is aunique experience, since the experiment is already composed of 1600 identical stand-alone photovoltaic systems and almost 10years of data taking on 10 minute interval for the main magnitudes.In this paper, it is proposed a method f...
Autori: Angeles López Agüera, Daniel Rey Rey, Iago Rodriguez Cabo
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25718

4-BAR GEARED LINKAGE USED FOR PHOTOVOLTAIC AZIMUTH ORIENTATION
Environmental Engineering and Management Journal › Vol. 10 › Nr. 8
Abstract:In order to capture as much solar energy as possible, the photovoltaic converter has to follow the sun movement during a day; thiscan be achieved by a tracking system. Most tracking systems have complex and costly structures that can provide wide anglevariations. This paper presents a geared linkage that is build up by a planetary system of gears fitted on a linkage, and thus helpsin reaching wide angles. Starting from a patented linkage, which reaches ≈200° angular strokes, by a...
Autori: Dorin Diaconescu, Ioana Hermenean, Nora Creanga
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25736

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

STEP-TRACKING PROGRAM SYNTHESIS OF AN AZIMUTH TRACKED CONCENTRATING PHOTOVOLTAIC (CPV) SYSTEM
Environmental Engineering and Management Journal › Vol. 10 › Nr. 9
Abstract:For the optimal working of the concentrating photovoltaic systems (CPV), these are usually tracked, and the accuracy required infollowing the sun path is much higher than in non-concentrating system. The paper focuses on the synthesis of the optimal steptracking program of an azimuth tracking system, used for accurate tracking of a CPV system. The paper presents the synthesismodelling algorithm and the numerical simulations for a CPV system, orientated with an azimuth tracking system, i...
Autori: Ioana Sinziana Hermenean, Ion Visa
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25748

CLEAN ENERGY RESPONSE OF PV SYSTEMS WITH AZIMUTH AND PSEUDO-EQUATORIAL TRACKING
Environmental Engineering and Management Journal › Vol. 10 › Nr. 9
Abstract:The present study proposes a comparative analysis on the clean electric energy response given by two types of PV (photovoltaic)tracking systems implemented on the same location: the azimuth and the pseudo-equatorial. The analysis is done based on analgorithm applied on the two-axes and one-axis systems. The tracking is done according to various laws, obtained by combiningdaily, seasonal and annual tracking programs. The algorithm and the comparative analysis are exemplified, by numerica...
Autori: Dorin Diaconescu, Maria Monica Vatasescu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25770

MATHEMATICAL MODELS TO SUPPORT POLLUTION COUNTERACTION IN CASE OF ACCIDENTS
Environmental Engineering and Management Journal › Vol. 11 › Nr. 1
This paper presents a mathematical model for the prediction of pollutant transport in rivers. The model has been developed and calibrated using the Matlab software and relying on field data from Romanian Someş River (collected in case of accidental cyanide release). Field data has been used to estimate model parameters (e.g. dispersion coefficient, velocity) as variable in time and space in order account for river features non-uniformity in time and also in space. These initial parameter va...
Autori: Elisabeta-Cristina Ani, Vasile Mircea Cristea, Paul Serban Agachi
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25848

HOMOGENEOUS AREAS DELIMITATION BY CONSIDERING THE ENERGY DEMAND FOR PLANTS GROWING IN COVERED SPACES
Environmental Engineering and Management Journal › Vol. 11 › Nr. 2
This paper presents an experimental study on the energy requirement for greenhouse heating. The evaluation of necessary energy for crop plants was made by systematic measurements of the thermal behavior for three non heated tunnel greenhouses, covered with polyethylene. From the comparative analysis of the measured temperatures inside and outside the tunnel, it was established the relationship for estimating the inside greenhouse average temperature (tmi), lower than the minimum temperature nece...
Autori: Maria Harja, Roxana Dana Bucur
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25879

REPRESENTATION OF 3D ATMOSPHERIC DATA USING A MULTI-STAGE VISUALIZATION PIPELINE
Environmental Engineering and Management Journal › Vol. 12 › Nr. 6
AbstractThe representation of relevant information from data generated through atmospheric imaging is of substantial importance toenvironmental sciences, meteorology, as well as in weather hazard predictive models for disaster prevention. As the techniquesfor the acquisition of such data have progressed and grown in complexity, so have the visualization algorithms required to processthe related data and to produce images or animations of the underlying information. To this extent, we present a g...
Autori: Marius Gavrilescu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26001

REDUCTION OF POWER LINE INTERFERENCES FROM ELECTROCARDIOGRAPHIC SIGNALS BY APPLYING ADAPTIVE FILTERING ON FIELD PROGRAMMABLE GATE ARRAY CIRCUITS
Environmental Engineering and Management Journal › Vol. 12 › Nr. 6
AbstractThe paper presents an extended implementation of an adaptive filter structure for electrocardiographic (ECG) signals denoisingwhich is implemented on Field Programmable Gate Array (FPGA) circuit. The proposed FPGA adaptive filter structure can beused to clean in real-time the ECG signals from power line interferences. In order to update the adaptive filter weights, the LeastMean Square (LMS) algorithm is used. The discrete forms of the filter structure and adaptive algorithm are presente...
Autori: Cristian Győző Haba, Ioan Tudosa, Narcis Adochiei, Valeriu David
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26002

A CLEAR SKY IRRADIATION ASSESSMENT USING THE ESRA MODEL AND SRTM DATABASE
Environmental Engineering and Management Journal › Vol. 12 › Nr. 6
AbstractThis paper describes a model and an algorithm used to develop a solar radiation database for Romanian territory. In order toobtain this database, two main steps were performed. In the first part, a clear sky solar radiation model was presented, inaccordance with the latest models published in European Solar Radiation Atlas. After this, a digital elevation model has beendeveloped, based on the Shuttle Radar Topography Mission database, which, together with the previously mentioned model,a...
Autori: Ciprian Nemes, Marcel Istrate
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26010

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

FUZZY-BASED CLUSTERING OF EPICENTERS AND STRONG EARTHQUAKE-PRONE AREAS
Environmental Engineering and Management Journal › Vol. 12 › Nr. 1
Abstract An original Discrete Perfect Sets (DPS) algorithm was developed and applied to clustering of earthquake epicenters with M≥3.0 in California. The obtained clusters correspond well with the locations of the epicenters of strong earthquakes with M≥6.5. This fact allows considering them as earthquake-prone areas for the magnitude M≥6.5. We compared the obtained clusters with the areas recognized in 1976 using Earthquake-Prone Areas (EPA) method. The compariso...
Autori: Alexei Gvishiani
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26132

DEMINERALIZATION OF WATER WITH MIXED-LAYER ION-EXCHANGERS
Environmental Engineering and Management Journal › Vol. 12 › Nr. 1
Abstract This paper develops a procedure whereby breakthrough curves obtained experimentally for ion exchange process in fixed bed ion mixed exchangers during water demineralization, can be used to characterize quantitatively and optimize the ion exchange process. In this regard, based on breakthrough curves there were developed statistical models that correlate three important factors which influence the process (superficial fluid velocity through the layer, changing layer height,...
Autori: Iuliana Rogoveanu Radosavlevici
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26147

APPLICATION OF A NEURO-GENETIC TECHNIQUE IN THE OPTIMIZATION OF HEAVY METALS REMOVAL FROM WASTEWATERS FOR ENVIRONMENTAL RISK REDUCTION
Environmental Engineering and Management Journal › Vol. 12 › Nr. 1
Abstract The reason for carrying out this research is related to the significant risk of heavy metals present in wastewater on the environment and human health. The removal of heavy metal ions from aqueous solutions was performed in a batch system, using peat (from Poiana Stampei, Romania) as adsorbent. The efficiency of the process was predicted with high accuracy (correlation with experimental data more than 0.99) based on a feed-forward neural network with two hidden layers. The...
Autori: Gabriel Dan Suditu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26150

APPLICATION OF A DECISION SUPPORT SYSTEM TO THE TRANSPORT OF HAZARDOUS MATERIALS
Environmental Engineering and Management Journal › Vol. 12 › Nr.10
AbstractThe transport of hazardous substances is an essential economic activity because it represents a quite relevant percentage of thetotal goods transportation. The risk associated to such an activity is fundamentally related to the possibility of an accidenttriggering that may cause negative environmental and public health consequences. A recent example is the Viareggio accident(2009), which involved the blast of tank wagons containing liquefied petroleum gas (LPG) and caused more than thirt...
Autori: Vincenzo Torretta
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26200

AN EVALUATION OF MODIS/AQUA BIO-OPTICAL ALGORITHMS IN ARCTIC WATERS
Environmental Engineering and Management Journal › Vol. 12 › Nr. 11
AbstractDespite the Moderate Resolution Imaging Spectrometer (MODIS/Aqua) presently collects data on operational basis, evaluationof its biogeochemical products from standard bio-optical algorithms is scare especially in Arctic waters. The present study isaimed to evaluate several MODIS/Aqua bio-optical algorithms and MODIS/Aqua remote sensing reflectance (Rrs) products inKongsfjorden waters on the western side of Svalbard, Arctic. Data sets consisting of in-situ measurements of radiometric quan...
Autori: Palanisamy Shanmugam
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26220

A NOVEL APPROACH FOR MODELING Cu2+ AND Zn2+ ADSORPTION FROM INDUSTRIAL LEACHATE BY PEANUT SHELLS
Environmental Engineering and Management Journal › Vol. 12 › Nr.12
AbstractIn this work the adsorption of Cu2+ and Zn2+ from industrial wastewater by peanut shells without any pretreatment wasinvestigated through optimization techniques such as a feed-forward back-propagation artificial neural network and a simplexalgorithm. The Levenberg-Marquardt algorithm was the best back-propagation algorithm, with a minimum mean squared error of0.000217 for Cu(II) and of 0.000229 for Zn2+. Mean square error on the validation set is used as an estimate for variance.Accordi...
Autori: Başak Mesci
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26227

PROCESS INTEGRATION IN THE BLEACHING SECTION OF A PAPER MILL FOR MINIMIZATION OF FRESH WATER CONSUMPTION AND WASTEWATER GENERATION
Environmental Engineering and Management Journal › Vol. 12 › Nr.12
AbstractWater system integration can minimize both fresh water consumption and wastewater discharge from the paper mills. In thepresent study, Pinch Technology was used to analyze and optimize the water network of an integrated paper mill. A system wasdeveloped and a limiting constraint (COD concentration) was identified based on investigations for water quality, and thenminimum fresh water and wastewater targets were determined without considering water losses. The analysis was extended byestim...
Autori: Sudheer Kumar Shukla
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26240

OIL SPILL RESPONSE AND PREPAREDNESS SYSTEM BASED ON CASE - BASED REASONING - DEMONSTRATED USING A HYPOTHETICAL CASE
Environmental Engineering and Management Journal › Vol. 12 › Nr.12
AbstractFor the purpose of coping with oil spills successfully, it is important to establish effective response and preparedness plans. Inprevious study, we proposed the use of Case-Based Reasoning (CBR) technology to develop environmental emergency responseand preparedness plans. In this paper, we present how to develop a CBR-Oil Spill Response and Preparedness System (CBROSRPS). In particular, the Frame method is employed to do case representation, the modified Heterogeneous Euclidean-Overlap ...
Autori: Zhenliang Liao
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26247

SELF-ORGANIZING MAP TO ESTIMATE SUSTAINABLE FLOOD RETENTION BASIN TYPES AND VARIABLES
Environmental Engineering and Management Journal › Vol. 13 › Nr. 1
AbstractA sustainable flood retention basin (SFRB) is an impoundment or integrated wetland, which has a pre-defined or potential role inflood defense and diffuse pollution control that can be accomplished cost effectively through best management practice in urbanor remote regions. A database comprising 372 SFRB, which belong to 6 types and are characterized by 43 variables, has beendeveloped for the central Scotland area. However, the determination of SFRB types and some characterisation variabl...
Autori: Qinli Yang
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26264

A ROBUST INEXACT TYPE-2 FUZZY SETS LINEAR OPTIMIZATION PROGRAMMING FOR IRRIGATION WATER SYSTEM MANAGEMENT UNDER UNCERTAINTY
Environmental Engineering and Management Journal › Vol. 13 › Nr. 3
AbstractThis research introduces a new Robust Interval Type-2 Fuzzy Set Linear Programming (R-IT2FSLP) model to manage irrigationwater resources. This method improves upon previous interval fuzzy bound models by allowing uncertainties presented asmultiple fuzzy boundaries. It creates additional degrees of freedom and enable direct modeling of uncertainties within anoptimization framework. It more explicitly reflects the system’s uncertainties under the fuzzy membership function. The more ofR-IT2...
Autori: Guohe Huang, Lei Jin
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26324

OPTIMIZATION OF ENERGY SAVING FOR WIRELESS SENSOR NETWORKS
Environmental Engineering and Management Journal › Vol. 13 › Nr. 5
AbstractWireless sensor network (WSN) has been widely used in national defense, military and security, environmental monitoring andmany other fields. It’s of great significance to design WSN which consumes little energy but supports service quality flexibly andeffectively. To further improve the performance of WSN, this article, focusing on aspects of low energy consumption and longlife cycle of the WSN and taking energy limits and coverage requirements in WSN into account, attributes the covera...
Autori: Wenjuan Cheng, Yiming Tian, Yourui Huang
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26359

SPATIAL AND SEASONAL ECOLOGICAL STATUS OF FRESH WATER EVALUATED BY MULTIVARIATE ANALYSES
Environmental Engineering and Management Journal › Vol. 13 › Nr. 7
AbstractThe changes in fresh water quality are reflected, over time, in the structure of the biocenosis by adjusting the composition, theabundance and the spatial distribution of species, in an attempt to maintain a constant equilibrium. It is difficult to identify thisequilibrium just by analysing the physicochemical measurements because they represent water quality conditions of the moment,while the analysis based on biological indicators which are reflecting the composition of macrozoobenthos...
Autori: Roxana Nechifor
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26431

TESTING ALGORITHMS FOR THE IDENTIFICATION OF ASBESTOS ROOFING BASED ON HYPERSPECTRAL DATA
Environmental Engineering and Management Journal › Vol. 13 › Nr. 11
AbstractThere are several environmental issues in urban areas that are caused by the unintentional consequences of past activities. One ofthese issues is the wide application of asbestos cement in roofing materials in the 2nd half of the 1900s. In this study, our goal wasto identify different roof types and to determine those with asbestos components using high-ground (1 m) and spectral (126bands) resolution airborne hyperspectral imagery (AISA Eagle II) and several classification approaches. In...
Autori: Szilárd Szabó
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26549

TAKAGI-SUGENO ALGORITHM FOR GLOBAL SOLAR IRRADIATION USING AIR TEMPERATURE DATA
Environmental Engineering and Management Journal › Vol. 13 › Nr. 12
Abstract Air temperature is certainly the most measured surface meteorological parameter and accurate forecasting of air temperature is usually performed worldwide. This fact inspired the idea that a predicted value of air temperature may be used as input in solar radiation air temperature-based models, aiming to generate the reference solar radiation year or to forecast solar irradiation. Following this, a Takagi-Sugeno fuzzy model for estimating global solar irradiation via air temperature...
Autori: Remus Şt. Boata
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26599

FORECASTING THE PRESENCE OF Ca2+ AND Mg2+ CATIONS IN MINERAL WATERS. A MODEL BASED ON FUZZY LOGIC
Environmental Engineering and Management Journal › Vol. 14 › Nr. 1
Abstract This paper aims to develop the theoretical framework and the applicative implementation of a new analysis method, which has the purpose of determining and classifying mineral waters in Romania and Europe, with the use of mathematical modelling and fuzzy logic. Firstly, the article underlines the properties of mineral waters in terms of curative effects, particularly the role of Ca2+ and Mg2+ upon the human metabolism. The values of these two chemical elements will constitute an inde...
Autori: Alina Stefanache
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26635

SEPARATION OF SUCCINIC ACID FROM FERMENTATION BROTHS. MODELLING AND OPTIMIZATION
Environmental Engineering and Management Journal › Vol. 14 › Nr. 3
Abstract Succinic acid is widely used in different industries, its demand increasing each year. Therefore, efficiently producing it (especially from bio-regenerable sources) is an aspect that researchers try to solve thorough different methods, one of the approaches consisting in using process models for generating predictions and improving production by process optimization. In this work, a combination of two bio-inspired algorithms represented by Artificial Neural Networks and Clonal Selec...
Autori: Elena-Niculina Drăgoi
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26669

COMBINATION OF ARTIFICIAL NEURAL NETWORKS AND GENETIC ALGORITHM - GAMMA TEST METHOD IN PREDICTION OF ROAD TRAFFIC NOISE
Environmental Engineering and Management Journal › Vol. 14 › Nr. 4
Abstract This paper proposes an expert system based on Artificial Neural Networks (ANNs) to model road traffic noise. Feed-Forward Neural Networks (FFNNs) that are trained with the Levenberg-Marquardt back-propagation algorithm were used. Models were evaluated using mean squared error (MSE) and coefficient of determination (R2) as statistical performance parameters. In traffic noise modelling, the noise level at a receptor position due to the source of traffic emission is modelled as a funct...
Autori: Leila Khouban
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26700

RISK FACTORS IN AUTISM SPECTRUM DISORDERS: THE ROLE OF GENETIC, EPIGENETIC, IMMUNE AND ENVIRONMENTAL INTERACTIONS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 4
Abstract Autism spectrum disorders (ASD) are a heterogeneous group of neurodevelopmental disorders that affect an individual’s ability to communicate and socialize, often associated with repetitive movements or behaviors. Frequently patients associate intellectual disability or digestive problems. Autism is more common in males and affects 1 in 88 children in USA. The mechanism that leads to ASD is very complex, involving genetic, epigenetic, immune and environmental factors that could...
Autori: Cristina Rusu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26712

EXTREME RISK ASSESSMENT METHODOLOGY (ERAM) IN AVIATION SYSTEMS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 6
Abstract The research is focused on the relationship between aviation systems and extreme terrorist events, the impacts of such events, and the solutions to manage the associated risks on medium and long term. The development of predictive models for extremeasymmetric events in aviation (EAEA) still represents an emerging direction of interdisciplinary research because not all mechanisms and interactions are understood. The testing of models is difficult due to lack of data and interpretatio...
Autori: Catalin Cioaca
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26762

THE EXPERIENCE OF THE FIRST INDUSTRIAL SYMBIOSIS PLATFORM IN ITALY
Environmental Engineering and Management Journal › Vol. 14 › Nr. 7
Abstract This paper reports the activity, promoted by the Italian agency for new technologies, energy and sustainable economic development (ENEA), in the framework of the project for the development and implementation of the first Italian Platform for Industrial Symbiosis implemented in Sicily (2011-2015). The goals of the project were: to provide a methodology and an instrument for industrial symbiosis implementation at regional scale, to implement a IS Platform as a support to SMEs to ind...
Autori: Laura Cutaia
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26774

RESEARCH ON SUPPLY CHAIN FUZZY-RANDOM MULTI-OBJECTIVE PROGRAMMING MODEL WITH CONSTRAINT OF CO2 EMISSIONS
› › Nr. 7
Abstract The uncertain phenomenon is very complex and using only fuzzy or random variable cannot describe it appropriate. In addition, low carbon is the requirement of the supply chain. In order to overcome those two issues, this paper describes the uncertain phenomenon in supply chain design under fuzzy random environment and constraints on CO2 emission. It considers that the demand rate is a fuzzy random variety, and builds a mixed integer optimization models featuring multiple products, m...
Autori: Zhixue Liao
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26808

IDENTIFICATION OF NONPOINT SOURCE OF POLLUTION WITH NITROGEN BASED ON SOIL AND WATER ASSESSMENT TOOL (SWAT) IN QINHUANGDAO CITY, CHINA
Environmental Engineering and Management Journal › Vol. 14 › Nr. 8
Abstract The identification of the critical source of nonpoint source pollution (NPS) plays an important role in formulation of Best Management Practices (BMPs). SWAT (Soil and Water Assessment Tool) was adopted for NPS nitrogen pollution modeling for Qinhuangdao City. The model was calibrated and validated by Sequential Uncertainty Fitting Version 2 algorithm of SWATCUP (SWAT Calibration and Uncertainty Programs) software. The model was used to quantify contributions of different nitrogen ...
Autori: Jihong Qu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26810

RESEARCH ON SUPPLY CHAIN FUZZY-RANDOM MULTI-OBJECTIVE PROGRAMMING MODEL WITH CONSTRAINT OF CO2 EMISSIONS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 8
Abstract The uncertain phenomenon is very complex and using only fuzzy or random variable cannot describe it appropriate. In addition, low carbon is the requirement of the supply chain. In order to overcome those two issues, this paper describes the uncertain phenomenon in supply chain design under fuzzy random environment and constraints on CO2 emission. It considers that the demand rate is a fuzzy random variety, and builds a mixed integer optimization models featuring multiple products, m...
Autori: Zhixue Liao
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26824

MULTIVARIATE OPTIMIZATION TO DECREASE TOTAL ENERGY CONSUMPTION IN THE WATER SUPPLY SYSTEM OF ABBIATEGRASSO (MILAN, ITALY)
Environmental Engineering and Management Journal › Vol. 14 › Nr. 9
Abstract The application of Information and Communication Technologies (ICT) for water supply systems has steadily increased in the last 20 years. The city of Milan is presented as case study where the main challenge for the coming 20 years is the efficient use of energy. Opposite to other parts of the world, in Milan, water is neither scarce nor there is a growing need for supply. Given that the system completely relies on pumping, optimization algorithms and sensor technologies can be appl...
Autori: Mario E. Castro Gama
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26826

APPLICATION OF A WEB-BASED DECISION SUPPORT SYSTEM FOR WATER SUPPLY NETWORKS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 9
Abstract Decision support systems (DSS) have been wildly developed in the recent decades, in various areas of decision making. In the 21st century, the advances in Information and Communication Technology (ICT) have brought the era of cloud computing, in which network-distributed resources (simulation and optimization models, data, etc.) are integrated in decision support applications. The aim of the present article is to present the application of web-based decision support systems (WBDSS) ...
Autori: Quan Pan
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26832

QUANTITATIVE EVALUATION OF LANDSLIDE SUSCEPTIBILITY IN THE BÂRLAD BASIN
Environmental Engineering and Management Journal › Vol. 14 › Nr. 9
Abstract Landslides constitute an abrupt and short-lived geomorphic risk phenomena, which may cause significant damages to human made infrastructures or even claim human lives. The present study aims to assess landslide susceptibility, at regional scale, in the Bârlad Basin, situated in eastern Romania. The subject is approached by means of logistic regression analysis, which is one of the main methods employed for this purpose worldwide. A landslide inventory was carried out by digiti...
Autori: Cristian Valeriu Patriche
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26846

GENOMICS AND PROTEOMICS TECHNIQUES IN NANOPARTICLES STUDIES – NEW APPROACH IN ENVIRONMENTAL RESEARCH
Environmental Engineering and Management Journal › Vol. 14 › Nr. 10
Abstract Environmental research has been significantly enriched by genomic and proteomic methodologies. Particularly in the atmospheric pollution studies, where a variety of environmental hazards act simultaneously and frequently in close interrelationship, only such integrative methods can provide a comprehensive analysis. Nanoparticles are a heterogeneous class of particles, but their health effects have also common aspects. The scope of the article is to present the contribution of genomi...
Autori: Marina Otelea
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26852

URBAN FOREST CANOPY EXTRACTION USING LIDAR DATA
Environmental Engineering and Management Journal › Vol. 14 › Nr. 10
Abstract Urban Tree Canopy (UTC) is an important asset in the urban ecological system by reducing the heat, runoff and improving air quality. Estimating the available urban tree canopy is important for decision makers for better understanding of urban ecosystems and helps to improve environmental quality and human health in urban areas and plan conservation activities. This paper reports on an object-oriented tree extraction method developed by using spectral and textural information of High...
Autori: Muneeswaran Mariappan
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26858

ROLE OF ENVIRONMENTAL RISK FACTORS IN PARKINSON’S DISEASE: BUCOVINA REGION CASE STUDY
Environmental Engineering and Management Journal › Vol. 14 › Nr. 10
Abstract Parkinson's disease (PD) is a neurodegenerative disorder that occurs due to a progressive degeneration of dopaminergic (DA) neurons. Brain area affected by progressive destruction of neurons controls movements, and patients with PD reveal rigid and uncontrollable gestures, postural instability, small handwriting and tremor. There are some risk factors that have been proven to trigger PD with a certain probability (for example insecticides exposure, and genetic and environmental ...
Autori: Oana Geman
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26868

OPTIMIZATION OF URBAN SELECTIVE WASTE COLLECTION ACTIVITY: GALATI CITY CASE STUDY
Environmental Engineering and Management Journal › Vol. 14 › Nr. 10
Abstract The Waste Management activity (WM) is an urban action becoming more and more important in the municipal economy. In many cities, this activity is linked to significant revenues from the selective waste collection services. Because the current economic situation requires an increasing efficiency and profitability in order to succeed in cutting the operational costs, and as an important part of revenue comes from this selective waste collection activity, the effectiveness must be impr...
Autori: Gabriel Murariu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26872

ELECTROCHEMICAL AND SEM CHARACTERIZATION OF YsZ COATED CoCrMo ALLOY PROCESSED BY PLASMA SPRAYED TECHNIQUE
Environmental Engineering and Management Journal › Vol. 14 › Nr. 11
Abstract The CoCrMo alloys have been widely used in artificial knee or hip joints. It is well known that these materials have a good corrosion resistance and acceptable biocompatibility properties. Zirconia as a ceramic biomaterial facilitates the osteoconductivity and tissue osteogenetic capacity in new bone formation around implant. Linear polarization and electrochemical impedance spectroscopy (EIS) were employed to characterize the electrochemical behavior of plasma sprayed yttrium oxid...
Autori: Manuela Romaş
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26896

MODEL BASED AIR-FUEL RATIO CONTROL FOR PFI SI ENGINES FUELED WITH ETHANOL-GASOLINE BLENDS
Environmental Engineering and Management Journal › Vol. 14 › Nr. 12
Abstract The ethanol-gasoline blends have brought new challenges to the in-cylinder mixture air-fuel ratio control for the variable fuel characteristics especially in the traditional PFI (Port Fuel Injection) SI (Spark Ignition) engines. This paper studied all the dynamic links in the intake fuel transfer process from the fuel injectors to cylinders, including the wall-wetting effect and injector fuel flow characteristics. A wall-wetting fuel film evaporation model and an injector fuel flow ...
Autori: Dongwei Yao
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26918

POPULATION ANALYSIS IN HIGH-NITRATE WASTEWATER TREATMENT IN SEQUENCING BATCH REACTORS
Environmental Engineering and Management Journal › Vol. 15 › Nr. 1
The pickling liquor used in the stainless steel manufacturing process is a mixture of nitric and hydrofluoric acid which generates wastewater with nitrate concentrations ranging between 500 and 6000 mgNO3--N/L. In the present study, laboratory-scale anoxic Sequencing Batch Reactors (SBRs) were used to treat high nitrate wastewaters. Two different sludge inocula were tested: one from a Municipal Solid Waste Leachate Treatment Plant (LTP), and the other from a Sewage Treatment Plant (STP). Meth...
Autori: Ana Isabel Pelaez
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26933

ANALYSIS OF OUTDOOR 222Rn AND 220Rn CONCENTRATION MEASURED AT BACAU, ROMANIA: A DETERMINISTIC STUDY
Environmental Engineering and Management Journal › Vol. 15 › Nr. 3
During three years, 2011-2013, time series of 222Rn (radon) and 220Rn (thoron) progeny concentration measured at Bacau, Romania have been analyzed with different deterministic instruments in order to extract valuable information about their deterministic behavior. The time series of data were obtained within the framework of the monitoring program performed by the Environmental Radioactivity Monitoring Station, Bacau. Correlations with the deterministic nature of atmospheric temperature and ...
Autori: Marius Stamate
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26982

MAPS OF HEAVY METALS IN CLUJ COUNTY SOILS DEVELOPED USING THE REGRESSION-KRIGING METHOD
Environmental Engineering and Management Journal › Vol. 15 › Nr. 5
Knowledge of the basic levels of heavy metal concentrations in soil and their spatial disposition, on a certain area, is particularly important for economic activities, but especially for preventing and stopping pollution. The spatial distribution maps, obtained by measurements performed (of a certain density), cover the entire studied area and are very useful. According to the literature several methods are known for building such maps, most of them based on a simple mathematical interpolati...
Autori: George-Călin Rogozan
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27031

DEVELOPMENT OF A MULTIPARAMETRIC QUALITY INDEX FOR WATER QUALITY MONITORING
Environmental Engineering and Management Journal › Vol. 15 › Nr. 5
The multi-parametric quality index (ICPM) is a dimensionless number used to evaluate the overall water quality and it is a useful tool for policy makers and for the public. This study aims to introduce the ICPM algorithm. The ICPM was developed to assess the water quality of the Lower Danube River using information obtained from the analysis of 41 water quality indicators from a monitoring program during 2011-2014. ICPM used the data for the previous 28 months as reference to evaluate the lat...
Autori: Violeta-Monica Radu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27035

ANALOGOUS VS. DIGITAL CAMERAS FOR BUILDINGS 3D MODELS CREATION
Environmental Engineering and Management Journal › Vol. 15 › Nr. 6
In this paper, the steps used in the process of building 3D model creation, using images acquired with the UMK 10/1318 metric terrestrial photogrammetric camera and digital images acquired with the Canon EOS Rebel XSi/450D digital non-metric camera, are presented in detail. For the calibration process of both cameras, the Heikkila and Silven algorithm and a 3D calibration object were used. In order to save time, both on the field and back to the office, instead of taking and processing UMK im...
Autori: Ersilia Oniga
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27056

USING OLD MAPS AND SOIL PROPERTIES TO RECONSTRUCT THE FOREST SPATIAL PATTERN IN THE LATE 18TH CENTURY
Environmental Engineering and Management Journal › Vol. 15 › Nr. 6
Deforestation has been recognized as an important environmental threat in the hilly area of Eastern Romania during the last two centuries. Nowadays, these former forested lands are extremely degraded through soil erosion and gullying due to improper human impact. Under such background, the paper aims at reconstituting the natural forest cover of the late 18th century, prior the aggressive deforesting actions. The methodology is based on two key elements: old maps and soil typology, both integ...
Autori: Iulian Cătălin Stângă
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27062

PONDS DELINEATION IN VARIOUS URBAN LANDFORMS. CASE STUDY FOR CLUJ-NAPOCA, ROMANIA
Environmental Engineering and Management Journal › Vol. 15 › Nr. 6
Urbanization and industrialization have led to the increase in impervious surfaces, the reduction of water seepage into soil and the increase of runoff discharges in urban areas. The overland flow may be carried over long distances along the streets and sidewalks depending on the land slope and morphology, while in lowland, water tends to accumulate in ponds. In this research, we aim to identify these ponds in the floodplain, slope and urbanized interfluves in Cluj-Napoca. The ponds outline t...
Autori: Ionel Haidu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27063

ATHERMAL MICROWAVE RADIATION AFFECTS THE GENETIC OF VEGETAL EMBRYOS
Environmental Engineering and Management Journal › Vol. 15 › Nr. 12
In this paper low power microwave radiation impact on Zea mays root meristeme tissues was investigated. Seeds with uniform genophond were exposed for 3 hours at 10 W incident power level in controlled condition to continuous wave at three different frequencies (0.6 GHz, 1 GHz and 2.5 GHz) and let to germinate after electromagnetic exposure. Dosimetric assessment made experimentally and computationally allowed the proper energetic characterization of the interaction between vegetal tissue and rad...
Autori: Mihaela Răcuciu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27196

AN XFEM BASED ALGORITHM FOR NUMERICAL OPTIMIZATION OF CURRENT DENSITY IN ELECTROCHEMICAL APPLICATIONS
Environmental Engineering and Management Journal › Vol. 15 › Nr. 12
This paper presents an advanced numerical algorithm for the optimization of the current density distribution in electrochemical applications. The optimization principle consists in the distortion of the electric field by an insulating shield properly positioned between the electrodes. Such a distortion influences the distribution of current density at the electrodes under consideration. The electrochemical problem is approached by a Laplace equation which is numerically solved using a mesh-free ...
Autori: Alexandru Avram
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27199

A NEW SIMPLE MODEL FOR THE PREDICTION OFWASTE SLUDGE FLOW RATE IN THE STEADY-STATE COMPLETELY MIXED ACTIVATED SLUDGE PROCESS
Environmental Engineering and Management Journal › Vol. 15 › Nr. 12
A new simple empirical model is proposed to describe the waste sludge volumetric flow rate in the steady-state completely mixed activated sludge process. The model is derived based on the nonlinear regression analysis by using the Richardson’s extrapolation method and the Levenberg–Marquardt algorithm. The application of the model has been explored for a wide range of eleven fundamental biological design variables and tested against a total of 1500 additional computational scenarios ...
Autori: Kaan Yetilmezsoy
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27202

ANALYSIS OF THE SOCIO-ECOLOGICALLY STRUCTURED STRATEGIC PORTFOLIOS
Environmental Engineering and Management Journal › Vol. 15 › Nr. 12
The need to develop models for analyzing socio-ecologically structured strategic portfolios derives from concerns regarding the sustainable development manifested in the current economy. Such models are useful for underlying the strategy of the organizations oriented towards achieving their objectives and the requirements of sustainable development. The model that we propose is based on an algorithm of strategic portfolio classification focused on the organization’s potential of sustainab...
Autori: Oliver Constantin Pricop
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27209

ENVIRONMENTALLY FRIENDLY POWER DISPATCH AT SUGAR PLANT WITH OPTIMUM BAGASSE UTILIZATION
Environmental Engineering and Management Journal › Vol. 16 › Nr. 1
Availability of alternate fuels for cogeneration helps to limit the amount of bagasse as fuel at sugar plants and make them available for other uses such as paper manufacture or ethanol production. Due to the increased awareness on the adverse effects of carbon dioxide emission on the environment, power plant operators are compelled to reduce emissions of pollutants during cogeneration. Selection of low pollutant fuels, tapping of renewable energy and use of efficient operating policies can help...
Autori: Faisal Pazheri
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27244

SIMULATION AND CONTROL OF FLOODS IN A WATER NETWORK. CASE STUDY OF JIJIA RIVER CATCHMENT
Environmental Engineering and Management Journal › Vol. 16 › Nr. 3
Floods have long been the cause of severe human and economic loss. Structural measures are applied to minimize the consequences of these natural disasters. A potential mitigating approach is the design and implementation of a control strategy for the water network aimed to regulate the water flowing within the river catchment system. There are several tools that have the ability to model and forecast the flood events in water networks. However, some tools are limited in the ability of providing ...
Autori: Phạm Thai Hňa
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27278

COORDINATED FLOOD MANAGEMENT OF CASCADE RESERVOIRS - CASE STUDY: JIJIA RIVER
Environmental Engineering and Management Journal › Vol. 16 › Nr. 3
The purpose of the reservoir operation during flood period is to obtain the outflow hydrograph as flat as possible. Although simple in case of a unique reservoir, the problem becomes very complex for large systems with cascade reservoirs. Based on the well-known hydraulic software Mike Flood by DHI, a simulation-optimization model containing wave propagation equations, constraints related to the state or decision variables as well as an objective function were developed for obtaining optimal coo...
Autori: Aurelian Florentin Draghia
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27295

OPTIMIZATION OF GLASS FIBERS USED AS DISPERSE REINFORCEMENT OF EPOXY POLYMER CONCRETE WITH FLY ASH
Environmental Engineering and Management Journal › Vol. 16 › Nr. 5
Construction industry uses a huge quantity of traditional and modern building materials which generally are produced to satisfy different demands, such as: resistant and safety requirements, friendly with the environment, architectural aspects etc. Researches must solve any requirements related to materials properties and offer a large diversity from which the proper solution must be considered. For improving the mechanical properties of polymer concrete, the use of fibers of different types is ...
Autori: Vasilică Ciocan
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27306

BUSINESS PROCESS ANALYSIS FOR RISK MANAGEMENT IN PAV3M
Environmental Engineering and Management Journal › Vol. 16 › Nr. 4
Risk management forecasts those situations that can damage the proposed goals or jeopardize the completion of projects in time. The aim of this paper is to highlight risk management tailored practices for pavement roads maintenance projects. All presented practices and risk management analysis are consistent with international standards, processes and assets. Present work also describes a particular analysis and prioritization of risk factors for their implementation in a web application. For ri...
Autori: Dan Benta
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27340

APPLICATION OF A TRANSMITTANCE ON SEPARATION OF GLASS CONTAINERS
Environmental Engineering and Management Journal › Vol. 16 › Nr. 10
Considering that glass containers are generally highly transparent they are good candidates for spectroscopic measurements and application of a transmittance for glass separation. The selection of glass container samples directly from municipal waste disposal bins, characterized by different colors, thicknesses, and shapes was done. Transmittance spectra of clear, green, amber and black clean glass containers were recorded, along with spectra of the usual bottled liquids. Positions of the absorp...
Autori: Dragana D. Strbac
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27452

INFLUENCE OF HUSK ON GRAIN CONTAMINATION BY Fusarium spp. AND Alternaria spp. IN HULLED SPELT (Triticum spelta L.)
Environmental Engineering and Management Journal › Vol. 17 › Nr. 4
Fusarium Head Blight is caused by several Fusarium species. Infections can result in mycotoxin contamination on cereals and associated foods. Harvested products are contaminated due to its secondary metabolites. The aim was to analyse the occurrence of spike Fusarium and Alternaria spp. in hulled Triticum spelta L. wheat species via polymerase chain reaction (PCR) method and the deoxynivalenol (DON) content analysis. Three varieties of spelt were used (Ceralio and Rubiota – winter and one ...
Autori: Karel Suchý
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27562

COST-EFFECTIVENESS OF OPTIMIZING CONCENTRATED FEED BLENDS TO DECREASE GREENHOUSE GAS EMISSIONS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 4
Livestock production is under growing public and scientific scrutiny for its greenhouse gas (GHG) emissions. This article contains a preliminary assessment of the inclusion of upstream life-cycle GHG emissions in concentrated feeds design, using the most common nonlinear programming optimization algorithms to determine feed composition. First, GHG emissions are included as costs in a single criteria optimization problem. The unit price of GHG emissions was obtained using a genetic algorithm. Sec...
Autori: Ricardo F.M. Teixeira
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27572

CHOICE OF SITE AND RANKING ELEMENTARY WATERSHED FOR HYDRAULIC EQUIPMENT USED FOR IRRIGATION APPLICATIONS TO THE TERRITORY OF WILAYA OF MOSTAGANEM ALGERIA
Environmental Engineering and Management Journal › Vol. 17 › Nr. 5
The selection of the favourite elementary watershed for a hill reservoir needs the association of all the essential criteria and all the interested decision makers. A geographical information system (GIS) is a strong tool for studying spatial data but it does not offer an appropriate decision making methodology. Due to their spatial aggregation functions, Multicriteria Analysis (MCA) methods can simplify decision making in situations where various solutions are available, and when several criter...
Autori: Mohamed Zaoui
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27594

FORECASTING LONG TERM PRECIPITATION USING CUCKOO SEARCH OPTIMIZATION NEURAL NETWORK MODELS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 6
With anticipation of global warming and climate change, quantitative prediction of future precipitation trend is more important than ever. Global circulation models (GCMs) are widely used as the base for simulating climate change. However, due to their coarse resolution, researchers have been using various downscaling techniques to produce finer model for regional use. Recent advancements in metaheuristic algorithms have provided an alternative approach in downscaling. This paper introduces the ...
Autori: Sze Miang Kueh
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27604

MINERALOGY AND GEOCHEMICAL DISTRIBUTION OF HEAVY METALS FOR THE FAGUL CETĂȚII TAILINGS, ROMANIA
Environmental Engineering and Management Journal › Vol. 17 › Nr. 6
This study was conducted on samples taken from the “Fagul Cetății – Iazul nr. 4” tailings pond in the Eastern Carpathians, Romania and is focused on exploring the way in which heavy metals from sulphide rich material are spatially distributed in relation to the geochemical conditions. For comparison, concentrated ore samples from the same area, genetically linked to the Tulgheș lithogroup were also analysed. The mineralogical and chemical composition of the sampl...
Autori: Sorin-Ionuț Balaban
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27626

OVERVIEW OF EUROPEAN ECO-INDUSTRIAL PARKS: EVALUATION OF INDUSTRIAL SYMBIOSIS POTENTIAL
Environmental Engineering and Management Journal › Vol. 17 › Nr. 2
Eco-industrial parks (EIPs) and other eco-industrial developments have different histories, sizes, locations and organizational forms. In order to characterize them several classifications and models have been elaborated. In this work for the first time the existing European EIPs are overviewed with the help of four classifications. These classifications are based on (1) the stage of the development of the area, (2) the starting point, (3) the activity of the EIP and (4) the location of the comp...
Autori: Ewa Liwarska-Bizukojc
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27652

ASSESSMENT OF GREY STEPPE CATTLE GENETIC AND PHENOTYPIC TRAITS AS VALUABLE RESOURCES IN PRESERVING BIODIVERSITY
Environmental Engineering and Management Journal › Vol. 17 › Nr. 11
The paper reveals original findings in agrobiodiversity, as part of the global biodiversity puzzle. The Grey Steppe cattle are endangered to extinction and are part of a genetic preservation program in Romania. The research approached the productive performance, the genetic determinism of milk production traits, studied on a Grey Steppe breed population nucleus of 30 individuals, throughout 4 productive cycles. The average milk yield in all 4 consecutive lactations reached 1858 kg per capita, wh...
Autori: Vasile Maciuc
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27859

PHYSIOLOGICAL, PHYLOGENETIC AND FUNCTIONAL IDENTIFICATION OF CRUDE OIL-DEGRADING MICROBIAL POPULATIONS
Environmental Engineering and Management Journal › Vol. 17 › Nr. 11
In this study, nine microbial strains with oil-degrading function were isolated from oil-contaminated soil near four oil wells in the 0.6 km2 area of the Jinnan Oil Field, Huaian, Jiangsu, China (32°57′ N, 119°02′ E). Based on morphological observations, physiological and biochemical responses, and molecular identification, we confirmed that the nine strains belong to five genera: Pseudomonas, Raoultella, Lysinibacillus, Escherichia, and Klebsiella. The degradation capacity o...
Autori: Yujia Liu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27848

HYDROGEOCHEMISTRY AND ENVIRONMENTAL ISOTOPE COMPOSITIONS AND THEIR EVOLUTION IN GEOTHERMAL GROUNDWATER IN YIZHANG, HUNAN PROVINCE, CHINA
Environmental Engineering and Management Journal › Vol. 18 › Nr. 3
Yizhang, located in south of Hunan province of China is rich in geothermal resources. This paper aimed to study the concentrations of cations, e.g., K+, Ca2+, Na+, Mg2+ and conducted the analysis of the environmental isotope characteristics of δD, δ18O and 13C. Further there are explained the rules of the generation and evolution of geothermal groundwater in Yizhang. The temperature of geothermal groundwater in Yizhang was between 34.2 and 45.4 °C, with a neutral pH and a high...
Autori: Junjie Ba
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27944

SEPARATION FAULT SCENARIOS IN INTRINSIC SAFETY CIRCUITS
Environmental Engineering and Management Journal › Vol. 18 › Nr. 4
The intrinsic safety type of protection significantly increased in complexity during the last decades. Thus, it even provides the opportunity to use highly complex electronic circuits without involving a significant explosion risk within the oil industry or in power plants, but not limited to those two. In order to achieve this performance, the type of protection is based on three pillars: limiting of energy, heat and also fault tolerance. The potential failure of components, connections, and...
Autori: Marius Darie
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27950

ANALYSIS OF PROTECTION SYSTEMS FOR REDUCING THE EFFECTS OF SHOCK WAVES PRODUCED BY EXPLOSIONS IN ENCLOSED SPACES
Environmental Engineering and Management Journal › Vol. 18 › Nr. 4
Explosion-type accidents can cause significant human losses and material damages; therefore, special attention has to be granted to explosion risk assessments and to the development of appropriate explosion-protection measures. Such measures of protection aim to reduce the explosion risk to acceptable levels, in compliance with regulations and standards in force, so as to provide the proper safety level for humans as well as to prevent damage to the surrounding goods and environment. The flas...
Autori: Marin Silviu Nan
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27961

ANT INTELLIGENT APPLIED TO SEWER NETWORK DESIGN OPTIMIZATION PROBLEM: USING FOUR DIFFERENT ALGORITHMS
Environmental Engineering and Management Journal › Vol. 18 › Nr. 5
In this paper, four different kinds of the Ant Colony Optimization Algorithm (ACOA) are used to find optimal solution for sewer network design optimization problem proposing two different formulations for each of them. In both proposed formulations, the decision variables of the problem are cover depths of sewer network nodes. In the second formulation, the constrained version of ACOA is used to find optimal cover depths of the sewer network nodes. The constrained version of ACOA is used here...
Autori: Ramtin Moeini
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27987

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

A MULTI-OBJECTIVE PARTICLE SWARM OPTIMIZATION ALGORITHM BASED ON HUMAN SOCIAL BEHAVIOR FOR ENVIRONMENTAL ECONOMICS DISPATCH PROBLEMS
Environmental Engineering and Management Journal › Vol. 18 › Nr. 7
Due to emissions from power station using fossil fuels, the decrease of existing pollution as well as of operational costs should be taken into consideration, when resolving environmental economic dispatch problems. In this research, we will evidence that nonlinear constraints of generating units, forbidden regions, and ramp-rate of generating units will reduce operational costs and environmental pollution, to achieve environmental economic dispatch effectiveness, by employing an improved mul...
Autori: Daqing Wu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28045

GROUNDWATER CHARACTERIZATION IN SOUTHWESTERN ROMANIA USING FUZZY HIERARCHICAL CROSS CLUSTERING
Environmental Engineering and Management Journal › Vol. 18 › Nr. 9
A simultaneous hierarchical classification of groundwater in the Banat Plain-southwestern Romania and associated characteristics such as As(III), As(V), total As, trace metals (Al, Cd, Cr, Cu, Fe, Mn, Ni, Pb, Zn), pH and redox potential using Fuzzy Hierarchical Cross Clustering Algorithm was carried out. In samples containing more than 10 μg/Ltotal As (13.9 – 77.3 μg/L), the As(V) species represented 57±20% and 73±18% in the others. Arsenic speciation pattern was in agr...
Autori: Marin Senila
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28059

ANALYSIS OF THE ENERGY INPUT-OUTPUT OF HONEY PRODUCTION IN THE MOUNTAINOUS AREA OF ROMANIA
Environmental Engineering and Management Journal › Vol. 18 › Nr. 11
The paper offers information on the energy efficiency of the honey production in the mountainous area of Romania. The field research was carried out as a face-to-face interview in 2018, on a representative sample including 134 beekeepers. The main results of the analysis of the energy input–output are: input energy 754.9 MJ/hive, net energy -417.3 MJ/hive, efficient energy use 0.47 and specific energy 27.0 MJ/kg. From the total inputs, direct inputs and renewable inputs account for 38.1% a...
Autori: Radu-Adrian Moraru
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28102

OPTIMIZATION OF CHLOROPHYLL A REMOVAL FROM WASTEWATERS USING BIO-INSPIRED ALGORITHMS
Environmental Engineering and Management Journal › Vol. 19 › Nr. 2
The bio-inspired algorithms are versatile approaches that can be applied to a variety of problems. However, their efficiency is influenced by a multitude of characteristics such as quality of final solution, consumed computational resources, diversity management, convergence, complexity of the problem being solved. Consequently, the issue of choosing the best approach for a particular problem is a difficult task. In this work, the performance of two bio-inspired algorithms, Differential Evolutio...
Autori: Elena Niculina Dragoi
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28159

OUTLIER ROBUST IDENTIFICATION OF THE THERMAL POWER PLANT: COMBUSTION CONTROL AND VIBRATORY TRANSPORT
Environmental Engineering and Management Journal › Vol. 19 › Nr. 3
The goal of this paper is to contribute to environmental improvement. This goal has been achieved by the development of an algorithm that allows the optimization of fuel consumption and transport of combustion products. The paper considers the outlier – robust recursive algorithm. This algorithm is used for identification of multivariable ARMAX (Autoregressive Moving Average with Exogenous Variables) models. In this paper, we introduce pseudo-Huber loss function which is a continuous nonli...
Autori: Vojislav Filipovic
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28167

APPLICATION OF SENTINEL-2A DATA AND PIXEL-BASED ALGORITHMS FOR LAND COVER MAPPING IN ILAM-IRAN
Environmental Engineering and Management Journal › Vol. 19 › Nr. 4
The western forests and rangelands of Iran in Zagros Mountain are valuable ecosystems for protecting the water and soil resources and providing the habitat for endemic fauna and flora. These ecosystems have widely destroyed by human interferences in the recent years. The land cover mapping using an accurate method is the first step to prevent the further destruction of these ecosystems. The aim of this study was to generate a land cover map of Ilam (Western Iran) using Sentinel-2A data at 10 m s...
Autori: Saeedeh Eskandari
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28192

ENVIRONMENTAL RISK ASSESSMENT METHOD USING SPATIAL POINT SOURCE ACCUMULATION TECHNIQUE
Environmental Engineering and Management Journal › Vol. 19 › Nr. 4
In this study, we discuss a risk assessment method for spatial point source accumulation that is suitable for regional comprehensive prevention and control of environmental risks. The distribution types of spatial risk sources and other related data are collected and analyzed by adopting Fengtai District, Beijing as an example. On the basis of the spatial analysis algorithm, the environmental risk of region is comprehensively assessed from the perspective of risk-inducing factors, risk substa...
Autori: Tianxin Li
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28194

OPTIMAL DESIGN OF CASCADE SPILLWAY USING META-HEURISTIC ALGORITHMS: COMPARISON OF FOUR DIFFERENT ALGORITHMS
Environmental Engineering and Management Journal › Vol. 19 › Nr. 4
In the present research, four meta-heuristic algorithms named Genetic Algorithm (GA), Gravitational Search Algorithm (GSA), Particle Swarm Optimization (PSO), and Artificial Bee Colony (ABC) have been used for optimal design of cascade spillway to minimize the construction cost. Usually, the traditional design methods such as Vittal and Porey (VP) method or experimental modeling are used to solve this problem leading to infeasible or near optimal solution. The main novelty of this paper is to...
Autori: Pedram Jazayeri
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28195

NOVEL APPROACH FOR FINDING SHORTEST ROUTE USING DIJKSTRA’S ALGORITHM AND FUZZY LOGIC IN A WIRELESS SENSOR NETWORK INTEGRATED IN A FOREST FIRE DETECTION SYSTEM
Environmental Engineering and Management Journal › Vol. 19 › Nr. 6
This paper proposes a Fuzzy Logic Controller/ Dijkstra’s Algorithm based software that calculates the most reliable communication link between a WaspmotePlug&Sense Sensor Node and a Meshlium Router in a Wireless Sensor Network (WSN). The algorithm implements the effect of three parameters important for the functioning of the WSN: Waspmote involvement, the received signal strength indicator (RSSI) and the distance of the Waspmotes, for achieving optimal work capability of the system. Du...
Autori: Nikola Manev
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28225

A METHODOLOGY FOR SUPPORTING EXPLORATORY RESEARCH ON THE ROLE OF GEO-LOCATION AND BOUNDARIES IN SPATIO-TEMPORAL AND ENVIRONMENTAL STUDIES
Environmental Engineering and Management Journal › Vol. 19 › Nr. 7
The paper brings a methodological contribution useful for supporting the development of predictive models of phenomena and human behaviours in the area of environmental protection with respect for history, geo-location, environment boundaries and considering further applications in defining corresponding stimulating policies by decision makers and management teams. It proposes a handy and easy-to-use technique of deriving spatial variables (e.g. aerial distances to a custom border and belonging...
Autori: Daniel Homocianu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28244

HEURISTICS FOR NOISE-SAFE JOB-ROTATION PROBLEMS CONSIDERING LEARNING-FORGETTING AND BOREDOM-INDUCED JOB DISSATISFACTION EFFECTS
Environmental Engineering and Management Journal › Vol. 19 › Nr. 8
In mitigating occupational hazards, there is often a need to use administrative controls such as job rotation over a prolonged period until the hazards can be eliminated or mitigated to safe levels. This research develops a noise-safe job-rotation optimization model that accounts for learning, forgetting, and boredom effects. Our analysis focuses on the case of human-paced and labor-intensive operations, considering the trade-off between safety and productivity. A case of multi-skilled workers ...
Autori: Pavinee Rerkjirattikal
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28256

DESIGNING A LOGISTIC NETWORK FOR HOSPITAL WASTE MANAGEMENT: A BENDERS DECOMPOSITION ALGORITHM
Environmental Engineering and Management Journal › Vol. 19 › Nr. 11
Healthcare wastes are produced from all medical and therapeutic activities in hospitals and healthcare centres. Around 15-20% of these wastes are classified as infectious wastes that could be hazardous. Therefore, an effective approach is required for handling costs and environmental issues. In this paper, a bi-objective Mixed-Integer Linear Programming (MILP) model is presented for logistics of infectious and non-infectious wastes. The proposed bi-objective model aims to minimize network costs ...
Autori: Mohammad Nikzamir
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28314

OPTIMIZATION OF THE EVACUATION ROUTE IN CHEMICAL PLANTS BASED ON THE DEPTH-FIRST SEARCH ALGORITHM
Environmental Engineering and Management Journal › Vol. 19 › Nr. 12
Optimal evacuation routes are crucial to protect workers’ safety when accidental leakage of toxic gas occurs in chemical plants. However, the majority of route optimization focuses on the transport field and few on the evacuation routing optimization in chemical plants. This paper proposes a dynamic evacuation routing optimization method for chemical plants under toxic gas release scenarios. From the complete accident scenario set (CASS) built with wind fields and leakage sources, the leak...
Autori: Ying Liu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28336

Larus relictus HABITAT HIERARCHICAL EVALUATION BASED ON A DATA DRIVEN APPROACH
Environmental Engineering and Management Journal › Vol. 19 › Nr. 12
The application of Species Distribution Models (SDM) in the management of species habitat and environmental impact changes has been widely used by scientists and ecologists globally, however this study proposes a novel analytical technique involving the combination of a statistical ranking algorithm and Remote sensing GIS data (habitat and threat) to analyze the suitability hierarchy of the habitat of a signature water-bird (Larus relictus). The results indicate that about 47.63% of the study re...
Autori: Harrison Odion Ikhumhen
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28339

APPLICATION OF THE AGRO-HYDROLOGIC SWAT MODEL ON THE TAABO RIVER BASIN (CÔTE D’IVOIRE) TO EVALUATE THE EFFECT OF THREE VEGETATIVE FILTER STRIP SCENARIOS ON STREAMFLOW AND NUTRIENTS
Environmental Engineering and Management Journal › Vol. 20 › Nr. 1
Côte d'Ivoire is one of the world's leading producers and exporters of agricultural products. Unfortunately, the multiplicity of stakeholders in this sector and the absence of legislation and regulations have contributed to the pollution of the various hydro systems, particularly those of Taabo river basin. The purpose of this study was to assess the ability of the Soil and Water Assessment Tool (SWAT) model to test the applicability of three vegetative filter strips scenarios to m...
Autori: Kouao Armand Anoh
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28346

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