? AN ASSESSMENT OF OPERATIONAL PARAMETERS FOR THE REMOVAL OF CHLOROPHENOLS FROM WASTEWATER ? ENVIRONMENTAL SCIENCES: A PSYCHOLOGICAL-BEHAVIORAL MODEL FOR RESEARCHERS ? ECOLOGICAL AGRICULTURE: DYNAMICS OF THE BIOLOGICAL ACTIVITIES IN SOILS CULTIVATED WITH MAIZE UNDER THE INFLUENCE OF ORGANIC FERTILIZATION ? SOLAR-ASSISTED JOULE-BRAYTON ENGINES USED TO REDUCE CARBON DIOXIDE EMISSIONS ? STUDY OF THE ENVIRONMENTAL EFFECTS OF HEATING SYSTEMS ? MIXED JET-VORTEX METHOD FOR ...
Autori:
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25662

Rhizobag incubation experiments were conducted to study microbial biomass carbon (MBC), microbial biomass nitrogen (MBN), soil respiration and enzyme activity (urease and phosphatase) in the rhizosphere soil of three different wetland plants and its influence on the removal of total organic carbon (TOC) and total nitrogen (TN). MBC, MBN, soil respiration and enzyme activity were higher in the rhizosphere than in the non-rhizosphere soil of the wetland plants. Microbial activity in the rhizospher...
Autori: Defu Xu, Hua Fang, Xianghua Xu, Xiaoli Zhao, Yingxue Lihttp://www.ecozone.ro/reviste.php?RID=25679

Ecological adaptation of heavy metal polluted environments is significantly enhanced through plants inoculated with plant growth-promoting bacteria (PGPB), and the cost of phytostabilization in metal tailings can be reduced. On the basis of the systematic investigation of manganese tolerant plants which grew on Xiangtan manganese tailings, rhizosphere soils of th Chenopodium album Linn. were collected. One yellow manganese-resistant strain named XZL01 was isolated from the rhizosphere of fresh p...
Autori: Shengguo Xue, Yameng Ma, Xiaohua Zhou, Xiyan Zhou, Fenghao Liuhttp://www.ecozone.ro/reviste.php?RID=25696

AbstractInvestigations on thermochemical transformation of asbestos fibers followed by computer aided image analysis are presented.Asbestos Containing Wastes (ACW), notably asbestos-cement, were characterized before and after microwave heating withadditives aimed at reacting with and transforming asbestos fibers. Microprobe analysis helped determine the chemicalcompositions. X ray diffraction (XRD) was used to confirm decomposition of asbestos fibers during microwave heating. Electronparamagneti...
Autori: Yan Yvon
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26256

AbstractFor efficient, economical and environmentally disposing the waste rock underground, based on principles of waste directbackfilling in fully mechanized coal mining, this paper carries out a field test in 6304-1 working face of Jining No.3 Coal Mine.We first design a waste rock direct underground processing system, including screening-crushing system, transportation system,transfer system, stope backfilling system and coal mining system. Then optimize the waste backfilling and coal miningt...
Autori: Jixiong Zhang, Qiang Zhang, Xu Zhao, Yanli Huang, Zhan Liu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26383

Abstract Due to its very low moisture content, the solid waste from the two-phase olive oil extraction process (dry olive mill residue, DOR) can be easily stored and used as a readily available basal liquid culture medium via its reconstitution with water. Five white-rot fungi (namely Phanerochaete chrysosporium NRRL 6361, Lentinus tigrinus CBS 577.79, Pleurotus pulmonarius CBS 664.97, Phlebia radiata DABAC 9 and Botryosphaeria rhodina DABAC P82), previously selected in a screening program, ...
Autori: Alessandro D’Annibale
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26598

Abstract Some of the major stressors of air quality in the urban areas are nitrogen oxides, ozone and suspended particles. The effect of air pollution on respiratory diseases can increase considerably at high levels of pollution and might trigger asthma symptoms. Longterm exposure can increase the rate of respiratory infections and symptoms at population level, but particularly in children. The goal was to analyze with statistical techniques the pollutant concentrations (NO, NO2, and SO2) re...
Autori: Daniel Dunea
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26605

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

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

As a part of the development of the Environmental Footprint (EF) guidelines, in June 2014 the European Commission started 11 pilot projects for the development of Product Environmental Footprint Category Rules (PEFCRs) for food, feed and beverage products. The PEFCRs are developed by technical secretariats involving various stakeholders from industries, academia, governments, trade unions and non-governmental organisations. This paper presents the state of the art of developing the PEFCR for...
Autori: Carlo Russo
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27132

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

A total of 152 different actinomycetes isolates were recovered from samples that were collected from different ecosystems of Algeria. The desert soil of Bousaada gives the greatest number of actinomycetes compared to others soils. The first screening indicates that 63.15 % of the isolates were able to produce carboxymethyl cellulase enzyme. Isolates were evaluated for their cellulase activity by growing in carboxymethyl cellulose broth. B-PNG23 isolate is one of the isolates displayed a high enz...
Autori: Azzeddine Bettache
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27451

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

In this research, the capability of uranium biosorption by dried biomass of the red algae was investigated in a batch system. For the screening of the most appropriate biosorbent, they were placed in 0.5 mmol/L uranium solution with different pH for 3hrs of contact times. The obtained results showed that the species of the Gracilaria corticata (J. Agardh) are having the maximum rate of the biosorption. Sorption equilibrium was reached within 3hrs of contact time (at pH 4.5), and the results of t...
Autori: Reza Dabbagh
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27596

A new methodology is presented for relating the generation and/or the consumption of heat and electrical energy to the rate of CO2, NO2, and SO2 emissions to the environment. Two indices are provided for the precise determination of emissions of these gases to the atmosphere and are of help in the analysis and comparison of the quality and efficiency of energy options. The indices have no linear dependency on energy consumptions (unlike EIA and EPA methodologies) and can be applied to any indust...
Autori: Mohammad Hossein Ordouei
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27640

The Silicon wafer plays an important role in modern electronic products. During the production of Silicon wafer, a large amount of scrap Silicon wafer is generated. The necessity for it to be recycled and recovered is of vast importance since the metal Silicon (Si) is the major by product. Besides Silicon, the wafers also contain a small quantity of Copper (Cu) and Aluminum (Al), that are considered as minor elements during the recovery process of the Silicon wafer production. Therefore, in o...
Autori: Ching-Hwa Lee
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27660

Capillary gas chromatography coupled with mass spectrometry technique was used for the assessment of low concentration of dinitrophenol pesticide, Dinocap in different spiked samples. For this purpose it has been spiked with Dinocap (15- 200 μg/mL) five environmental matrices (a soil sample and two each samples of wine and grapes). The Dinocap degradation grade in these samples was also monitored. The extraction was performed in dichloromethane. The assessment of the Dinocap in the samples we...
Autori: Nicoleta Grigoriu
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27746

The paper investigated a series of acoustic waves propagation modes in closed environments. Also, a series of experiments have been conducted in order to reduce noise with the help of acoustic screens. Screening a source of noise in an industrial enclosure has revealed a series of results described in our research. There have been used two methods of clamping the acoustic screens walls on a metal frame: rigid and elastic. The acoustic screens used in the experiments were made of Oriented Strand ...
Autori: Claudia Tomozei
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27969

The polyhydroxybutyrate (PHB) production by photoautotrophic cultures is a potential eco-sustainable process to produce bioplastics. The biosynthesis of PHB by cyanobacteria meets a twofold target: the use of CO2 as feedstock alternative to the fossil resource used in the conventional processes; the contribution to the reduction of the CO2 concentration in the atmosphere. This contribution reports results of a study regarding the optimal growth conditions for cyanobacteria to produce PHB unde...
Autori: Roberta Carpine
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28021

The treatment of acidic wastewater of copper sulfide produces a huge amount of sediment, which can be processed into the planting matrix for ecological restoration of mines. This paper attempts to screen out the plants suitable for the acidic wastewater sediment, laying the basis for ecological restoration of mines. Therefore, 14 plant species were selected for preliminary tests on survival rate and growth tests in sediment pond. The survival rates and growth conditions of each plant species in...
Autori: Jinchun Xue
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28268

Remediation of contaminated marine sediments present a difficult challenge for environmental decision-makers. In socially relevant situations, as in the Mar Piccolo of Taranto case study (Southern Italy), the decision-maker needs to explain to the citizens why some remediation technologies are adopted compared to others. Multi criteria decision analysis (MCDA) is a scientifically sound decision tool for management of contaminated sites, not only to denote effective or technologically and econom...
Autori: Claudia Labianca
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28310