[Treatment of tannery wastewater by infiltration percolation: chromium removal and speciation in soil].

abstract：:The urban continuum, as it applies to sediments and associated contaminants, represents the area over/through which sediments are conveyed from a depositional or eroded surface to a treatment system and/or receiving water body. This study has focused on the changing physical characteristics of the sediment, with an em...

journal_title：Environmental technology

authors： Droppo IG,Irvine KN,Jaskot C

更新日期：2002-01-01 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：:Because of their applications in large numbers of products, Zinc Oxide nanoparticles (nano-ZnO) will inevitably enter into the environment. Nano-ZnO released into the environment will be present in a complex matrix which can cause various chemical and physical transformations and modulate the biological reactivity of ...

journal_title：Environmental technology

authors： Chen X,O'Halloran J,Jansen MAK

更新日期：2019-07-01 00:00:00

abstract：:In this study, rice husk ash-silica/graphene oxide (RHA-SiO2/GO) nanocomposites were synthesized by the in situ method using (3-aminopropyl) triethoxysilane as a coupling agent. The obtained products were used to remove lead ions (Pb2+) from aqueous solution. Effects of SiO2:GO mass ratio, contact time, pH and initial...

journal_title：Environmental technology

authors： Thy LTM,Hau DT,Lien LTK,Hung NDH,Tu TH,Nam HM,Hieu NH,Thanh Phong M

更新日期：2019-12-10 00:00:00

abstract：:Estimation of scaling-up parameters for a site restoration process using a surfactant-enhanced soil washing (SESW) process followed by the application of advanced oxidation processes (Fenton and photo-Fenton) was performed. For the SESW, different parameters were varied and the soil washing efficiency for pesticide (2...

journal_title：Environmental technology

authors： Bandala ER,Cossio H,Sánchez-Lopez AD,Córdova F,Peralta-Herández JM,Torres LG

更新日期：2013-01-01 00:00:00

abstract：:Although highway runoff has historically been extensively studied, the increasing complexity of stormwater management means that there are still significant gaps regarding the reduction of soluble metals. The work reported in this paper addresses these challenges by analysing the presence and behaviour of iron, copper...

journal_title：Environmental technology

authors： Zakharova J,Pouran H,Bridgeman J,Wheatley A,Arif M

更新日期：2020-12-04 00:00:00

abstract：:Solid-liquid separation of animal slurry, with solid fractions used for composting, has gained interest recently. However, efficient composting of separated animal slurry solid fractions (SSFs) requires a better understanding of the process dynamics in terms of important physical parameters and their interacting physi...

journal_title：Environmental technology

authors： Chowdhury MA,de Neergaard A,Jensen LS

更新日期：2014-01-01 00:00:00

abstract：:Nitrogen-doped fluorescent carbon quantum dots (CQDs) was prepared by gas-assisted method using cellulose as precursors under ammonia atmosphere, which not only exhibited excellent photoluminescent properties, but also showed highly selective and sensitive detection of mercury ion. The nitrogen-doped CQDs displayed ex...

journal_title：Environmental technology

authors： Li Y,Wang N,He Z

更新日期：2017-06-01 00:00:00

abstract：:This paper reviews published work on the sorption of rare earth elements by microbial biomass. In a first part, the biosorption capacities and the various experimental conditions performed in batch reactor experiments are compared. Secondly, sorption modelling generally used in biosorption studies are described. Third...

journal_title：Environmental technology

authors： Andrès Y,Texier AC,Le Cloirec P

更新日期：2003-11-01 00:00:00

abstract：:There is increasing pressure to upgrade effluent ponds for phosphorus removal. Active slag filters offer a solution, but design information is limited. Hydraulic retention time (HRT) is a key factor in filter design because it controls filter treatment efficiency as well the filter substrate lifespan. This paper repor...

journal_title：Environmental technology

authors： Shilton A,Chen L,Elemetri I,Pratt C,Pratt S

更新日期：2013-01-01 00:00:00

abstract：:Aminophenols (AP) are synthetic intermediates in pharmaceutical, photographic and chemical dye industry. They can be released into the environment from wastewater and can react during water treatment processes. Therefore, it was interesting to study the oxidation of AP with chlorine and monochloramine in aqueous solut...

journal_title：Environmental technology

authors： Abou Mehrez O,Dossier-Berne F,Legube B

更新日期：2015-01-01 00:00:00

abstract：:Amino acids are at the origin of the formation of odourous compounds after chlorination treatment. Our objectives were to test the efficiency of a photocatalytic process to remove these types of compounds. Five amino acids (AA)-phenylalanine, tyrosine, tryptophan, glycine and alanine--have been chosen as model molecul...

journal_title：Environmental technology

authors： Elsellamia L,Pigeot-Rémy S,Dappozze F,Vocanson F,Houas A,Guillard C

更新日期：2010-12-01 00:00:00

abstract：:Nitrate leaching contaminates groundwater. The objective of this study was to determine if reed and rice stalks could enhance denitrification and reduce nitrate leaching into groundwater. Artificial groundwater spiked with nitrate and field groundwater samples were tested in the columns in sand reactors packed with ei...

journal_title：Environmental technology

authors： Qian J,Wang Z,Jin S,Liu Y,Chen T,Fallgren PH

更新日期：2011-10-01 00:00:00

abstract：:This study highlights the need for the development of simple, efficient, and cost-effective farm-scale applications to treat wastewater arising from vegetable-peeling operations. The aim was to evaluate two full-scale biological wastewater treatment systems, a sequencing batch reactor (SBR) and a biofilter, and a chem...

journal_title：Environmental technology

authors： Lehtoa M,Sipilä I,Sorvala S,Hellstedt M,Kymäläinen HR,Sjöberg AM

更新日期：2009-01-01 00:00:00

abstract：:In this research, removal of petroleum hydrocarbons from oily sludge of crude oil storage tanks was investigated under the optimized conditions of in-vessel composting process and chemical oxidation with H2O2 and Fenton. After determining the optimum conditions, the sludge was pre-treated with the optimum state of the...

journal_title：Environmental technology

authors： Koolivand A,Naddafi K,Nabizadeh R,Saeedi R

更新日期：2018-10-01 00:00:00

abstract：:Dry and chemical torrefaction of sugar cane bagasse was examined in this study with the aim of stabilising and upgrading the fuel properties of bagasse. Dry torrefaction was conducted at temperatures from 160°C to 300°C under inert conditions, whilst chemical torrefaction incorporated a H2SO4 pre-treatment of bagasse....

journal_title：Environmental technology

authors： Valix M,Katyal S,Cheung WH

更新日期：2017-07-01 00:00:00

abstract：:Solar total, UVA and UVB irradiances were measured separately using three kinds of wavelength band detectors in Tokyo, Japan in November 1999. Characteristics of diurnal variations were examined: Total irradiance reached a maximum value of about 600 W m(-2) at around noon. The variation pattern of UVA irradiance was o...

journal_title：Environmental technology

authors： Imaizumi A,Yoshizumi K,Fujita T

更新日期：2004-04-01 00:00:00

abstract：:The photocatalytic degradation of many chlorinated organic compounds by semiconductor particles, has been widely recognised as a promising method of water and wastewater treatment process. In the present work the photocatalytic transformation of 2,4-D and MCPA in aqueous solution with 2 g l(-1) suspended TiO2 is demon...

journal_title：Environmental technology

authors： Djebbar K,Zertal A,Sehili T

更新日期：2006-11-01 00:00:00

abstract：:The objective of this study was to evaluate the performance of an adsorbent, based on a solid residue arising from biodiesel production, for the removal of cationic dyes from wastewaters. The adsorbent was produced by microwave thermal activation. The Freundlich model provided the best fit for equilibrium data, indica...

journal_title：Environmental technology

authors： Nunes DL,Franca AS,Oliveira LS

更新日期：2011-07-01 00:00:00

abstract：:To access the effects of the surface modification and fabric structure of polyethylene (PE) non-woven fabric sheets on retaining the attachment efficiency of anammox biomass, three different non-woven sheets were prepared and inserted in an anammox reactor. The hydrophobic surface modification with 10% KMnO4 and gelat...

journal_title：Environmental technology

authors： Cho S,Jung M,Ju D,Lee YH,Cho K,Okabe S

更新日期：2018-10-01 00:00:00

abstract：:In this study, we have reported a novel wastewater treatment technique by phenol imprinted bacterial cellulose (BC-MIP) nanofibres with high specificity and adsorption capacity. N-methacryloyl-(L) phenylalanine methyl ester (MAPA) functional monomer was used to create specific binding sites for the template molecule p...

journal_title：Environmental technology

authors： Derazshamshir A,Göktürk I,Tamahkar E,Yılmaz F,Sağlam N,Denizli A

更新日期：2020-10-01 00:00:00

abstract：:Surfactants are widely used and discharged into wastewater treatment plants, which might influence the anaerobic digestion (AD) treatment of municipal waste. In this study, the effects of typical anionic surfactants sodium dodecyl benzene6 sulfonate (SDBS) and non-ionic surfactants APG, on mesophilic anaerobic co-dige...

journal_title：Environmental technology

authors： Sun J,Zhang Y,Pan X,Zhu G

更新日期：2019-08-01 00:00:00

abstract：:The production of phosphoric acid from natural phosphate rock leads to an industrial waste called phosphogypsum (PG). About 5 tons of PG are generated per ton of phosphoric acid produced. This acidic waste (pH 2.2) is mostly disposed of by dumping into large stockpiles close to fertilizer production units, where they ...

journal_title：Environmental technology

authors： Ayadi A,Chorriba A,Fourati A,Gargouri-Bouzid R

更新日期：2015-05-01 00:00:00

abstract：:In this paper, a removal of nitrogen compounds from a landfill leachate during reverse osmosis (RO) was evaluated. The treatment facility consists of a buffer tank and a RO system. The removal rate of N─NH4, [Formula: see text] and [Formula: see text] in the buffer tank reached 14%, 91% and 41%, respectively. The rela...

journal_title：Environmental technology

authors： Talalaj IA

更新日期：2015-05-01 00:00:00

abstract：:Pyrolysis of fresh sheep bone led to the formation of bone charcoal (BC). The structural characteristics of BC and surface area were determined by X-ray diffraction (XRD) and scanning electron microscopy (SEM). N2 gas adsorption-desorption was analysed by Brunauer-Emmett-Teller isotherm model. The prepared BC was used...

journal_title：Environmental technology

authors： Ghaneian MT,Ghanizadeh G,Alizadeh MT,Ehrampoush MH,Said FM

更新日期：2014-03-01 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：:Doping non-metals onto TiO2 has been regarded as a promising way to gain a more effective photocatalyst. In this paper, N, F-codoped TiO2 was synthesized by the sol-gel method, demonstrating both high adsorption capacity and high photocatalytic activity under visible light irradiation. Samples were characterized by X-...

journal_title：Environmental technology

authors： Xia SM,Zhang YQ,Zheng YF,Xu CS,Liu GM

更新日期：2019-04-01 00:00:00

abstract：:A pilot-scale biotrickling filter (BTF) packed with polyurethane (PU) foam was installed at one pharmaceutical factory in Zhejiang Province to study the removal of high-concentration H2S from water treatment plant. Experiments were performed at different empty bed residence times (EBRTs), H2S input load, ratio of liqu...

journal_title：Environmental technology

authors： Chen JM,Jiang LY,Sha HL

更新日期：2006-07-01 00:00:00

abstract：:This study was conducted to develop a two-stage process for the treatment of Hong Kong leachate. The leachate, containing 4750 mg l-1 of chemical oxygen demand (COD) and 1310 mg l-1 of ammoniacal nitrogen (NH3-N), was first treated in a UASB (upflow anaerobic sludge blanket) reactor at 37 degrees C. The process remove...

journal_title：Environmental technology

authors： Wang P,Lau IW,Fang HH

更新日期：2001-04-01 00:00:00

abstract：:Mechanical properties of fiber-reinforced soil after soaking in heavy metal ion solution have great influences on safety and stability of the reinforcement, herein the mechanical properties of optimum moisture content of different concentrations of zinc ions contaminated soil were studied through shear test, compressi...

journal_title：Environmental technology

authors： Ma Q,Xiang JC,Yang YC,Xiao HL,Wan J

更新日期：2019-08-27 00:00:00