The microorganism community in an aerobic denitrification membrane bioreactor by 16S rDNA based molecular biotechnology.

abstract：:High concentrations of heavy metals, such as arsenic, in soils have potential long-term environmental and health consequences due to their persistence in the environment and their associated toxicity to biological organisms. Aspergillus nidulans isolated from arsenic-contaminated soil has the potential to remove arsen...

journal_title：Environmental technology

authors： Maheswari S,Murugesan AG

更新日期：2009-08-01 00:00:00

abstract：:Over the past few decades, several technologies have been developed to recover phosphorus (P) as struvite from wastewater. Although these technologies have achieved reasonable P-removal efficiencies, these technologies are associated with several shortcomings such as high capital and operating costs, longer crystalliz...

journal_title：Environmental technology

authors： Ghosh S,Lobanov S,Lo VK

更新日期：2019-06-01 00:00:00

abstract：:Phosphate (P) contamination in nutrient-laden wastewater is currently a major topic of discussion in the North American greenhouse industry. Precipitation of P as calcium phosphate minerals using hydrated lime could provide a simple, inexpensive method for retrieval. A combination of batch experiments and chemical equ...

journal_title：Environmental technology

authors： Dunets CS,Zheng Y

更新日期：2014-11-01 00:00:00

abstract：:The present work investigates the properties of self-made magnetic filler from plastic waste bottle and explores a new technology approach of waste plastic resource utilization. The magnetic filler was prepared by air plasma modification and loading magnetic ferrite on the plastic strip from waste plastic bottle. The ...

journal_title：Environmental technology

authors： Zhao RJ,Gong LY,Zhu HD,Liu Q,Xu LX,Lu L,Yang QZ

更新日期：2018-06-01 00:00:00

abstract：:The gene coding for xylose isomerase from the thermophilic bacterium Fervidobacterium gondwanense was cloned and overexpressed in Escherichia coli. The produced xylose isomerase (XylA), which closely resembles counterparts from Thermotoga maritima and T. neapolitana, was purified and characterized. It is optimally act...

journal_title：Environmental technology

authors： Kluskens LD,Zeilstra J,Geerling AC,de Vos WM,van der Oost J

更新日期：2010-09-01 00:00:00

abstract：:The potential of foundry sands, industrial waste from the iron foundry industry, was evaluated for the removal of Cr (VI) using discontinuous assays. Chemical foundry sands are composed of fine silica sand, furanic resins as binder, chemical catalyst and residual iron particles. The influence ofpH, agitation rate and ...

journal_title：Environmental technology

authors： Campos I,Alvarez JA,Villar P,Pascual A,Herrero L

更新日期：2013-05-01 00:00:00

abstract：:Algal blooms are a significant problem in the UK, particularly in water sources that supply potable water treatment works. A wide range of methods to control algae have been tested and, whilst many are effective, they all have disadvantages. The use of barley straw to control algal growth in reservoirs is one option t...

journal_title：Environmental technology

authors： Murray D,Jefferson B,Jarvis P,Parsons SA

更新日期：2010-04-01 00:00:00

abstract：:A process consisting of anaerobic hydrolysis, denitrification, and oxidation/nitrification was proposed for simultaneous removal of carbon and nitrogen from terramycin crystallizing mother solution (TCMS), and its performance was investigated by treating diluted TCMS in a lab-scale continuous flow column system. Direc...

journal_title：Environmental technology

authors： Ma W,Yang M,Wang J,Qi R,Ren L

更新日期：2002-06-01 00:00:00

abstract：:Pseudomonas putida RW-II isolated from petroleum refinery wastewater was tested for hydrocarbon degradation potential in the presence of polycationic surfactant, cetyl trimethylammonium bromide (CTAB). The effects of CTAB on growth profile, cell surface hydrophobicity, cell adhesion, zeta potential and hydrocarbon bio...

journal_title：Environmental technology

authors： Yalçin E,Cavuşoğlu K,Ozen E

更新日期：2011-12-01 00:00:00

abstract：:Pt nanoparticles/TiO2 catalysts were prepared and evaluated for UV-photocatalytic degradation ofphenol and 2-chlorophenol (2-CP) in synthetic wastewater solutions. The catalysts were synthesized by immobilizing colloidal Pt nanoparticles onto titanium dioxide (rutile TiO2). Analytical techniques, such as standard Brun...

journal_title：Environmental technology

authors： Barakat MA,Al-Hutailah RI,Qayyum E,Rashid J,Kuhn JN

更新日期：2014-01-01 00:00:00

abstract：:Carbon-coated TiO2 powders were prepared from the mixtures of anatase (ST-01) and carbon precursor poly(vinyl alcohol) in different ratios by carbonization at 900 degrees C in a flow of either Ar or N2. Carbon-coated TiQ2 thus prepared was either fixed on an adhesive tape or formed into a film by using the organic bin...

journal_title：Environmental technology

authors： Inagaki M,Nonaka M,Kojin F,Tsumura T,Toyoda M

更新日期：2006-05-01 00:00:00

abstract：:Alternative uses of pig manure are being considered, including separation and eventual incineration of the solid fraction to produce energy and ash. The efficiency of a screw press, a decanting centrifuge and chemical treatment in transferring N, P and heavy metals from slurry to a solid fraction were compared. Chemic...

journal_title：Environmental technology

authors： Møller HB,Jensen HS,Tobiasen L,Hansen MN

更新日期：2007-12-01 00:00:00

abstract：:The speciation of mercury in tropical coastal areas, although scarcely studied, has presented an odd behaviour when compared with the results obtained in temperate environments. In this work, we measured the concentrations of mercury species (mercuric mercury, methyl-mercury and dimethyl-mercury) in the sediments of S...

journal_title：Environmental technology

authors： Wasserman JC,Amouroux D,Wasserman MA,Donard OF

更新日期：2002-08-01 00:00:00

abstract：:The effects of antecedent dry days (ADD) on nitrogen removal efficiency were investigated in soil infiltration systems, with three distinguishable layers: mulch layer (ML), coarse soil layer (CSL) and fine soil layer (FSL). Two sets of lab-scale columns with loamy CSL (C1) and sandy CSL (C2) were dosed with synthetic ...

journal_title：Environmental technology

authors： Cho KW,Yoon MH,Song KG,Ahn KH

更新日期：2011-05-01 00:00:00

abstract：:Polystyrene (PS) beads have been studied as a possible filter element, with the aim of increasing the effective production of water in treatment plants. Being a granular material of an effective size of 0.68 mm, sphericity of 0.96 and density of 1046 kg/m3, the use of PS beads may provide washing water savings because...

journal_title：Environmental technology

authors： Schöntag JM,Moreira FM,Sens ML

更新日期：2017-08-01 00:00:00

abstract：:This study aims to evaluate the effect of weathered coal fly ash (CFA) as a drying adjuvant of sewage sludge (SS) to produce a soil amendment. The high amount of SS and CFA creates a complex waste management problem in many countries, requiring more research efforts. Towards a circular economy, CFA can be viewed as an...

journal_title：Environmental technology

authors： Gomes LA,Santos AF,Lopes RJA,Góis JC,Quina MJ

更新日期：2019-12-09 00:00:00

abstract：:This study compares the operation of mesophilic and thermophilic anaerobic digestion of sewage sludge and their effects in uncontrolled phosphorus precipitation. The research has been carried out using a pilot plant consisting of two digesters of 1.6 m3 working volume, treating the mixed sludge of Alzira WWTP (Valenci...

journal_title：Environmental technology

authors： Sánchez-Ramírez JE,Pastor L,Martí N,Claros J,Doñate S,Bouzas A

更新日期：2019-10-29 00:00:00

abstract：:The presence of an ionized carboxyl group in the widely used non-steroidal anti-inflammatory (NSAID) drug diclofenac potassium results in a high mobility of diclofenac and in its low sorption under conditions of slow sand filtration or subsoil passage. No diclofenac degradation was detected in pure water or sludge dur...

journal_title：Environmental technology

authors： Karaman R,Khamis M,Quried M,Halabieh R,Makharzeh I,Manassra A,Abbadi J,Qtait A,Bufo SA,Nasser A,Nir S

更新日期：2012-06-01 00:00:00

abstract：:Two different organophilic bentonites obtained by cationic exchange with benzyldimethyloctadecylammonium chloride and trimethyloctadecylammonium chloride have been used to adsorb the organic fraction of a tannery sludge. The exchange process was carried out to different extents to obtain bentonite samples with differe...

journal_title：Environmental technology

authors： Cioffi R,Costanzo S,Maffucci L,Santoro L

更新日期：2001-01-01 00:00:00

abstract：:The present work reports the results of a series of experimental tests performed on cylindrically shaped biological aerated filters (BAFs) to define a new model for reactors design. The nitrification performance was analysed by monitoring a laboratory pilot plant over a six-month period; the dependence of the nitrific...

journal_title：Environmental technology

authors： Siciliano A,De Rosa S

更新日期：2015-01-01 00:00:00

abstract：:It is the priority to guarantee biosafety for drinking water treatment. The objective of this study was to evaluate the impact of widely applied conventional and ozone-biological activated carbon (O3-BAC) advanced treatment technology on biosafety of drinking water. The items, including assimilable organic carbon (AOC...

journal_title：Environmental technology

authors： Liao X,Zou R,Chen C,Yuan B,Zhou Z,Zhang X

更新日期：2018-01-01 00:00:00

abstract：:How to utilize the shadows of buildings and greening to jointly improve the thermal cycle of the commercial pedestrian streets in hot and humid areas in southern China is a problem that needs to be discussed. This paper put forward related concepts of the invalid shadow area, valid shadow area, and thermal regulation ...

journal_title：Environmental technology

authors： Chen J,Wang F

更新日期：2020-02-06 00:00:00

abstract：:For potential use in air treatment by biofiltration, a new material composed of vermicompost and earthworms (Eisenia fetida) was tested for the removal of a volatile organic compound (VOC), toluene. The removal rate of toluene was measured during batch experiments in presence of vermicompost only, earthworms only and ...

journal_title：Environmental technology

authors： Lusinier N,Couriol C,Cloirec PL

更新日期：2020-09-01 00:00:00

abstract：:The pollution of lake sediments by organic micro-pollutants has been of growing environmental concern due to their suspected long-term effects on both human health and the surrounding ecosystem. In this research, in order to investigate and evaluate the micro-organic pollution in lake sediments, an analytical methodol...

journal_title：Environmental technology

authors： Shimzu Y,Matsui S,Harada J

更新日期：2003-07-01 00:00:00

abstract：:Carbon-doped titanium dioxide photocatalyst with improved performance in visible light was prepared via the typical sol-gel method. Microcrystalline cellulose (MCC) was used as carbon elements source. The prepared pure and carbon-doped TiO2 samples were calcined at 400-650°C in air and the effect of annealing temperat...

journal_title：Environmental technology

authors： Habibi S,Jamshidi M

更新日期：2020-10-01 00:00:00

abstract：:The aim of the present study was to develop structurally stable, nutrient-rich and environmentally safe growing media by combining waste material: crop residue hazelnut husk (HH) and municipal sewage sludge. In order to achieve this goal, lignocellulosic HH residue was mixed with nutrient-rich sewage sludge (S) in var...

journal_title：Environmental technology

authors： Dede OH,Ozdemir S

更新日期：2018-09-01 00:00:00

abstract：:The removal of dyes from solution by adsorption onto alginate calcium beads has been studied. A methodology of surface response was used, this kind of designs estimate the coefficients of a quadratic polynomial mathematical model, whose essential interest is to be able to predict in any point of the experimental regio...

journal_title：Environmental technology

authors： Marzouk Trifi I,Trifi B,Ben Souissi E,Hamrouni B

更新日期：2020-11-01 00:00:00

abstract：:Tambaqui (Colossoma macropomum) is among the most cultivated fish species in tropical countries. Stress is the main cause of disease in fish farms. The genus Aeromonas is a common causative agent of fish diseases. This work reports the identification of Aeromonas species colonizing gills of C. macropomum submitted or ...

journal_title：Environmental technology

authors： Marques DS,Ferreira DA,Paiva PM,Napoleão TH,Araújo JM,Maciel Carvalho EV,Coelho LC

更新日期：2016-12-01 00:00:00

abstract：:The effect of ethylenediaminetetraacetic acid (EDTA) during electrokinetic decontamination (EKD) was investigated in this research. EDTA is a ligand that can form soluble complexes with precipitated heavy metals inside soil pores. Millpond sludge, primarily contaminated with lead (Pb) and zinc (Zn), was subjected to E...

journal_title：Environmental technology

authors： Karim MA,Khan LI

更新日期：2012-10-01 00:00:00

abstract：:Micelle enhanced ultrafiltration (MEUF) is a surfactant-based membrane separation process that may be used to separate target ions from mixed metal aqueous solutions, such as leachates of coal ash and other geological wastewaters. The ability of MEUF to separate rare earth elements (REEs) was evaluated using sodium do...

journal_title：Environmental technology

authors： Kose-Mutlu B,Hsu-Kim H,Wiesner MR

更新日期：2020-09-22 00:00:00