Comparison of natural adsorbents for metal removal from acidic effluent.

abstract：:Greenbelt is a strip of vegetation for which species of trees and shrubs are scientifically chosen and planted to serve a designated purpose such as control of wind erosion, of dust, of noise etc. In the context of air pollution attenuation, greenbelts must be developed around a source of air pollutant in a manner so ...

journal_title：Environmental technology

authors： Khan FI,Abbasi SA

更新日期：2002-07-01 00:00:00

abstract：:Pilot-scale moving bed biofilm reactor (MBBR) is used to investigate the kinetics and biofilm response of municipal, tertiary nitrification at 1°C. The research demonstrates that significant rates of tertiary MBBR nitrification are attainable and stable for extended periods of operation at 1°C, with a maximum removal ...

journal_title：Environmental technology

authors： Young B,Delatolla R,Ren B,Kennedy K,Laflamme E,Stintzi A

更新日期：2016-08-01 00:00:00

abstract：:With an aim of developing an effective remediation technology for soils contaminated by heavy metals and metalloids, the extraction behavior of metallic contaminants as well as those of soil constituents was studied on a laboratory scale. Three contaminated soils collected from a former metal recycling plant were exam...

journal_title：Environmental technology

authors： Tokunaga S,Park SW,Ulmanu M

更新日期：2005-06-01 00:00:00

abstract：:As a kind of biofilm structure, microbial attachment was believed to play an important role in the aggregation and stability of flocculent activated sludge (FAS), and also its translation to aerobic granular activated sludge (AGAS). The aim of this study was to investigate the effect of Ca2+, Mg2+, Cu2+, Fe2+, Zn2+, K...

journal_title：Environmental technology

authors： Hao W,Lv J,Li Y,Chen L,Zhu J

更新日期：2016-01-01 00:00:00

abstract：:EDTA column's extraction were performed on four artificially contaminated soils, followed by the percolation of pure water to ensure the removal of EDTA entrapped in soil. The investigated soils were characterized by a content of organic matter ranging from 1% to 25%. A mathematical model was developed for copper leac...

journal_title：Environmental technology

authors： Di Palma L,Ferrantelli P,Pitzolu I,Verdone N

更新日期：2005-02-01 00:00:00

abstract：:This study investigated the effects of biochar application with organic or mineral fertilizers on soil microbial biomass, and associated emissions of CO2 and CH4 under field settings planted with peanut. The results indicated that physicochemical properties of soil were improved under biochar application. Soil microbi...

journal_title：Environmental technology

authors： Tan G,Wang H,Xu N,Junaid M,Liu H,Zhai L

更新日期：2021-01-01 00:00:00

abstract：:The removal of anionic and cationic dyes from aqueous solutions was investigated by different leather shavings, which are solid wastes generated in the leather industry. Wet-blue leather shavings (WB), vegetable-tanned leather shavings (VT), pickled hide (not tanned) shavings (PIC) and wet-white leather (pre-tanned) s...

journal_title：Environmental technology

authors： Carvalho Pinheiro NS,Perez-Lopez OW,Gutterres M

更新日期：2020-09-27 00:00:00

abstract：:Although electroosmosis has been confirmed to be a promising technique for stabilizing soil with low permeability and high water content, several issues remain with this innovative method, including high power consumption, nonuniform strengthening effect, and electrode corrosion. In this context, for improving the fea...

journal_title：Environmental technology

authors： Zhang H,Ma Q,Su W,Hu H

更新日期：2021-01-01 00:00:00

abstract：:The purposes of this study were to develop a refined model for simulation of ozonation of estrogenic chemicals under different conditions and to investigate the behaviors of estrogenic by-products using the model. In the cases of ozonation of 17-estradiol (E2), bisphenol-A (BPA) and nonylphenol (NP) in aqueous solutio...

journal_title：Environmental technology

authors： Kim SE,Park NS,Yamada H,Tsuno H

更新日期：2008-03-01 00:00:00

abstract：:Landfill leachates are considered to be complex effluents of a variable composition containing many biorecalcitrant and highly toxic compounds. Considering the shortage of studies concerning the treatment of landfill leachates using ozone, as well as its combination with catalysts, the aim of this paper was to identif...

journal_title：Environmental technology

authors： Scandelai APJ,Sloboda Rigobello E,Oliveira BLC,Tavares CRG

更新日期：2019-02-01 00:00:00

abstract：:We examined the biodegradation of varying amounts of artificially weathered Alaskan North Slope crude oil in laboratory microcosm test systems that use natural seawater and simulate spills in open water and on sandy beaches. The model bioremediation treatment consisted of periodic applications of marine bacteria, sele...

journal_title：Environmental technology

authors： Lepo JE,Cripe CR,Kavanaugh JL,Zhang S,Norton GP

更新日期：2003-10-01 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：:Lipase production by Staphylococcus xylosus and Rhizopus oryzae was investigated using a culture medium based on a mixture of synthetic medium and supernatants generated from tuna by-products and Ulva rigida biomass. The proportion of the three medium components was optimized using the simplex-centroid mixture design ...

journal_title：Environmental technology

authors： Sellami M,Kedachi S,Frikha F,Miled N,Ben Rebah F

更新日期：2013-07-01 00:00:00

abstract：:Partial nitrification of a high-strength ammonium wastewater (1150 +/- 150 mg N-NH4(+) L(-1)), mimicking reject water, was achieved in an activated sludge pilot plant with a configuration of three continuous reactors in series plus a settler. Stable and robust partial nitrification was maintained during 800 days of op...

journal_title：Environmental technology

authors： Torà JA,Lafuente J,Carrera J,Baeza JA

更新日期：2012-06-01 00:00:00

abstract：:The aim of this research was to apply a simple and quick method of size and shape characterization by TEM to diesel exhaust particles from large-capacity, high-performance trucks. Particulate matter (PM) samples were collected while the engines were idling. Investigation of this type of emission is essential because v...

journal_title：Environmental technology

authors： Sielicki P,Janik H,Guzman A,Namieśnik J

更新日期：2012-07-01 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：:A highly sensitive and selective optical chemosensor (Arg-Rhoen) for determination of Au3+ was prepared by covalent immobilization of rhodamine ethylenediamine on agarose gel. Spectrophotometric studies of complex formation, chemical structures and purity of the hydrogel sensor were carried out using TGA, NMR, TEM, an...

journal_title：Environmental technology

authors： Kaewtong C,Wanich S,Wanno B,Tuntulani T,Pulpoka B

更新日期：2020-12-07 00:00:00

abstract：:The bioconversion of sugar-industry wastewater to value-added products is a prominent topic in biotechnology. This work cultured a carotenoid-producing photosynthetic bacterium, Rhodopseudomonas faecalis, in a photo-bioreactor containing different wastewater from wastewater treatment ponds of a Thai sugar company. The...

journal_title：Environmental technology

authors： Saejung C,Salasook P

更新日期：2020-01-01 00:00:00

abstract：:Sedimentation dynamics of magnetite (γ-Fe3O4) nanopowder (10-20 nm) in water in a gradient magnetic field Bmax=0.3 T, (dB/dz)max=0.13 T/cm was studied for different water flow speeds and starting particle concentrations (0.1 and 1.0 g/l). The aggregates formation in water was monitored under the same conditions. In cy...

journal_title：Environmental technology

authors： Bakhteeva Iu,Medvedeva I,Byzov I,Zhakov S,Yermakov A,Uimin M,Shchegoleva N

更新日期：2015-07-01 00:00:00

abstract：:This study aims to prepare environmentally friendly iron catalysts supported on silica, using glycerol as green reducing and stabilizing agent, for application in heterogeneous Fenton degradation of the pollutant dye methyl orange (MO). The catalysts were characterized by X-ray powder diffraction, atomic absorption sp...

journal_title：Environmental technology

authors： Trotte NSF,Alzamora M,Sánchez DR,Carvalho NMF

更新日期：2018-11-01 00:00:00

abstract：:This study presents the operation of a biotrickling filter when treating a monochlorobenzene (MCB) contaminated gaseous emission. Treatment dynamics were characterised by exposing the reactor to various MCB Organic Loads (OL). The use of different growth support materials, namely limestone, sand, ceramic and PVC pall-...

journal_title：Environmental technology

authors： Bastos FS,Rangel AO,Castro PM,Ferreira Jorge RM

更新日期：2003-12-01 00:00:00

abstract：:Experiments on the simultaneous removal of mercury (Hg0), sulphur dioxide (SO2) and nitric oxide (NO) from flue gas using sodium chlorite solution (NaClO2) were carried out in a bench-scale bubbling reactor. The effect of initial pH on Hg0 removal efficiency was investigated. The results show that the efficiency of Hg...

journal_title：Environmental technology

authors： Zhao Y,Ma X,Liu S,Yao J

更新日期：2009-03-01 00:00:00

abstract：:In the coal slurry scrubbing process, SO2 can be removed through both the coal pyrite leaching reaction and the oxidation reactions catalysed by Fe2+/Fe3+ produced in situ. In the present study, experiments of SO2 removal with coal slurry (particle size fraction 65-150 microm) were carried out using a double-stirred v...

journal_title：Environmental technology

authors： Sun W,Wang L,Liu J,Wang L,Zhang Y

更新日期：2013-09-01 00:00:00

abstract：:This work focused on studying the effect of the chemical oxidation demand to sulfide ratio (COD/S) on power generation and sulfide oxidation in microbial fuel cells treating sulfide-rich wastewater containing organic contaminants. The maximum power density achieved was 20 +/- 1 W m(-3) V(Anode) and the C(oulombic) yie...

journal_title：Environmental technology

authors： Zhang L,Mao Y,Ma J,Li D,Shi H,Liu Y,Cai L

更新日期：2013-01-01 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 biochar produced by pyrolysis at 600°C from powdered mango bark impregnated with iron, namely Fe2O3/biochar, was recognized as a multifunctional material for environmental applications. This work aims at using the above material for the removal of pyridine and quinoline from aqueous solutions. The physico-chemical...

journal_title：Environmental technology

authors： Xu H,Zhang X,Zhang Y

更新日期：2018-06-01 00:00:00

abstract：:An anion exchanger from rice straw was used to remove Cr (VI) from synthetic wastewater and electroplating effluent. The exchanger was characterized using Fourier transform infrared (FTIR) spectrum and scanning electron microscopy (SEM), and it was found that the quaternary amino group and hydroxyl group are the main ...

journal_title：Environmental technology

authors： Cao W,Dang Z,Yia XY,Yang C,Lu GN,Liu YF,Huang SY,Zheng LC

更新日期：2013-01-01 00:00:00

abstract：:Hexavalent chromium introduced to the water ecosystem is an important issue due to the toxic effect it poses. The first step of conventional treatment of wastewaters containing hexavalent chromium is its reduction to chromium (III) which is less toxic. The use of industrial waste material for the reduction of chromium...

journal_title：Environmental technology

authors： Altundogan HS,Ozer A,Tümen F

更新日期：2004-11-01 00:00:00

abstract：:The study aims to remove methylene blue dye from water with a fixed-bed column packed with Cu2O nanocomposite ceramsites. The column showed the advantages of fixed-bed column adsorption and photocatalytic oxidation. The Cu2O nanocomposite ceramsites with strong photocatalytic oxidation activity and well-developed poro...

journal_title：Environmental technology

authors： Li T,Fan J,Sun T

更新日期：2020-03-24 00:00:00

abstract：:In this work, it was developed three-dimensional (3D) porous hydrogel sponges produced by the freeze-dried process using chitosan polymer functionalized by 11-mercaptoundecanoic acid (MUA). These chitosan-based sponges were used as cationic adsorbents for the removal of anionic methyl orange (MO) dye, simulating a mod...

journal_title：Environmental technology

authors： Carvalho IC,Medeiros Borsagli FGL,Mansur AAP,Caldeira CL,Haas DJ,Lage AP,Ciminelli VST,Mansur HS

更新日期：2019-11-19 00:00:00