A study on the reduction of hexavalent chromium in aqueous solutions by vinasse.

abstract：:Sediment borne pesticides are one of the major routes of transport of pesticides into the aquatic environment and could affect biota living closely in contact with it. Sediment residues of DDT were found to be easily adsorbed (95.0%) and were released in hard water (8.4%) and seawater (0.1%). DDT and DDE sediment resi...

journal_title：Environmental technology

authors： Bajet CM,Navarro MP

更新日期：2002-11-01 00:00:00

abstract：:The photocatalytic degradation of an antibiotic, vancomycin B hydrochloride (VAN-B), has been investigated in aqueous suspensions of titanium dioxide (TiO2) by monitoring the change in its concentration as well as the production of ammonia and chlorides as a function of irradiation time. The removal of 50mg L(-1) VAN-...

journal_title：Environmental technology

authors： Lofrano G,Carotenuto M,Uyguner-Demirel CS,Vitagliano A,Siciliano A,Guida M

更新日期：2014-05-01 00:00:00

abstract：:Pine bark, a low-cost industrial residue, has been suggested as a promising substitute for granular activated carbon in the on-site treatment of water contaminated with 2,4,6-trinitrotoluene (TNT). However, the complex organic structure and indigenous microbial community of pine bark have thus far not been thoroughly ...

journal_title：Environmental technology

authors： Chusova O,Nolvak H,Nehrenheim E,Truu J,Odlare M,Oopkaup K,Truu M

更新日期：2014-09-01 00:00:00

abstract：:The effect of the addition of trace elements on the conversion of a mixture of volatile fatty adds (Acetate, Propionate, Butyrate, in a ratio 3:1:1) by anaerobic granular sludge was investiated. Two Upflow Anaerobic Sludge Bed reactors (pH 7, ranging 30 degrees C) were operated for 140 days at an organic loading rate ...

journal_title：Environmental technology

authors： Osuna MB,Zandvoort MH,Iza JM,Lettinga G,Lens PN

更新日期：2003-05-01 00:00:00

abstract：:Compost stability assessment within different particle size fractions was studied. Humic acids (HAs) were extracted from two kinds of co-composts prepared using evaporated olive mill wastewater (OMSW) or solid waste from olive oil extraction (OC) and poultry manure (PM). The elemental composition, Fourier-transform in...

journal_title：Environmental technology

authors： Masmoudi S,Jarboui R,El Feki H,Gea T,Medhioub K,Ammar E

更新日期：2013-03-01 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：:A photosensitizer tetra-α-(2,4-di-tert-butylphenoxy)-phthalocyaninato zinc [ZnPc(OAr)4] was successfully encapsulated in SiO2 nanoparticle by the microemulsion method. The photosensitized composite nanoparticle was able to degrade 2,4,6-trichlorophenol (TCP) in aqueous solution. Under visible light irradiation, the na...

journal_title：Environmental technology

authors： Jiang Z,Yang T,Zhang Y,Wang J

更新日期：2015-07-01 00:00:00

abstract：:A two-stage anaerobic digestion process operated under mesophilic and thermophilic conditions was investigated for the treatment of solid potato waste to determine optimal methane yield, efficiency of operation and process stability. A solid-bed reactor was used for hydrolysis/acidification stage while an upflow anaer...

journal_title：Environmental technology

authors： Parawira W,Murto M,Read JS,Mattiasson B

更新日期：2007-11-01 00:00:00

abstract：:The aim of this study was to achieve aerobic granulation utilizing fermented municipal wastewater under low pH, and alkalinity conditions. Stable granulation was achieved after a 166-day start-up period. Due to low influent strength, supplemental carbon addition, in the form of sucrose, was added to the feed storage t...

journal_title：Environmental technology

authors： Leong J,Rezania B,Mavinic DS

更新日期：2016-01-01 00:00:00

abstract：:The role of wastewater suspended solids in denitrification based on intracellular carbon storage was investigated in a biofilm sequencing batch reactor performing alternately anaerobic carbon storage and denitrification. Municipal wastewater as the feeding was compared with filtered wastewater and with acetate. The re...

journal_title：Environmental technology

authors： Krasnits E,Beliavski M,Tarre S,Green M

更新日期：2014-01-01 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：: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：:C5+, a mixture of benzene, toluene, xylene, styrene, dicyclopentadiene (DCPD), naphthalene and other compounds, is a byproduct of polyethylene production and has been introduced into the environment via accidental release. The degradation of C5+ was studied using a defined consortium of 11 distinct bacterial strains i...

journal_title：Environmental technology

authors： Greene EA,Voordouw G

更新日期：2004-03-01 00:00:00

abstract：:Alumina-zirconia (Al2O3-ZrO2) composite was prepared by combustion method and used to remove Congo red and Methylene blue from aqueous solutions. It was characterized using SEM-EDS, XRD and gas adsorption techniques. The results obtained from gas adsorption and SEM agree with each other, showing meso- and macro-porosi...

journal_title：Environmental technology

authors： Adesina AO,Elvis OA,Mohallem NDS,Olusegun SJ

更新日期：2019-08-13 00:00:00

abstract：:In this study, the combined use of a biopolymer chitosan and an oxidoreductase polyphenol oxidase (PPO) was systematically investigated for the removal of bisphenol derivatives from aqueous medium. The process parameters, such as the pH value, temperature, and PPO concentration, were estimated to conduct the enzymatic...

journal_title：Environmental technology

authors： Kimura Y,Takahashi A,Kashiwada A,Yamada K

更新日期：2015-01-01 00:00:00

abstract：:Uric acid (UA) is one of the principal effluents of urine wastewaters, widely used in agriculture as fertilizer, which is potentially dangerous and biorefractory. Hence, the degradation of UA (2,6,8-trihydroxy purine) in aqueous solution of pH 3.0 has been studied by conductive-diamond electrochemical oxidation. Hydro...

journal_title：Environmental technology

authors： Dbira S,Bensalah N,Bedoui A

更新日期：2016-12-01 00:00:00

abstract：:Maghemite/silica nanocomposite microspheres (γ-Fe2O3/SiO2 MS) have been tested as magnetically separable heterogeneous Fenton catalyst in beidellite clay slurries in the presence of methylorange (MO) as a model pollutant. Due to its strong magnetic susceptibility, the catalyst was easily recovered from the clay slurri...

journal_title：Environmental technology

authors： Boussouf I,Medjram MS,Ferroudj N,Abramson S

更新日期：2021-01-01 00:00:00

abstract：:A single-chambered packing-type anaerobic fluidized microbial fuel cell (AFBMFC) with coking wastewater (CWW) as fuel was built to treat CWW, which not only has high treating efficiency, but also can convert organic matter in wastewater into electricity. AFBMFC was constructed by using anaerobic sludge that was domest...

journal_title：Environmental technology

authors： Liu X,Wu J,Guo Q

更新日期：2017-12-01 00:00:00

abstract：:The present study investigated the effects of arsenate and phosphate interaction on growth, lipid peroxidation, arsenic (As) accumulation, phosphorus (P) accumulation, and the activities of some antioxidant enzymes in Isatis cappadocica. Plants were exposed to (50-1200 μmol L-1) arsenate and (5-1600 μmol L-1) phosphat...

journal_title：Environmental technology

authors： Souri Z,Karimi N,de Oliveira LM

更新日期：2018-05-01 00:00:00

abstract：:Polychlorinated biphenyls (PCBs) are carcinogenic to humans and can be found in fuller's earth used for the treatment of used transformer oil. This work describes an optimization of the Fenton process for the removal of contaminants from fuller's earth. The effects of pH (2.5 and 4.0), [H2O2] (1.47 and 2.07 mol L-1), ...

journal_title：Environmental technology

authors： da Silva MRA,Rodrigues EO,Espanhol-Soares M,Silva FS,Kondo MM,Gimenes R

更新日期：2019-04-01 00:00:00

abstract：:Dissimilatory nitrate reduction to ammonium was examined in the bottom sediment of selected reservoirs. In vitro measurements of DNRA rates were made with undisturbed sediment cores, using an 15N stable isotope technique. 15NH4+ analysis was conducted using a C and N Elemental Analyzer, model EA 1112 (ThermoQuest) on ...

journal_title：Environmental technology

authors： Tomaszek JA,Gruca-Rokosz R

更新日期：2007-07-01 00:00:00

abstract：:The development of a case-based reasoning system for the supervision of an activated sludge process is presented here. The methodology proposed permits the use of past experiences to solve new problems that arise in the process. These experiences are classified as cases or situations. The adaptation of cases and the g...

journal_title：Environmental technology

authors： Roda IR,Sànchez-Marrè M,Comas J,Cortes U,Poch M

更新日期：2001-04-01 00:00:00

abstract：:The characteristics and water/oil sorption effectiveness ofkapok fibre, sugarcane bagasse and rice husks have been compared. The three biomass types were subjected to field emission scanning electron microscopy-energy dispersive X-ray spectroscopy and surface tension analyses for liquid-air and oil-water systems were ...

journal_title：Environmental technology

authors： Ali N,El-Harbawi M,Jabal AA,Yin CY

更新日期：2012-02-01 00:00:00

abstract：:A three phase (aqueous/solid/gas) mixed weak acid/base kinetic model developed by Musvoto et al. is applied to simulate the physical and chemical processes that occur on aeration of anaerobic digester liquors. Included in the model are the kinetic reactions for (i) weak acid/base dissocations (water, carbonate, ammoni...

journal_title：Environmental technology

authors： Wentzel MC,Musvoto EV,Ekama GA

更新日期：2001-11-01 00:00:00

abstract：:A charge-coupled device camera was used for the optical monitoring of activated sludge flocs and filaments, and the image analysis results were compared with the effluent clarity at a full-scale activated sludge plant during a three-month period. The study included a maintenance stoppage at the wastewater treatment pl...

journal_title：Environmental technology

authors： Koivuranta E,Keskitalo J,Stoor T,Hattuniemi J,Sarén M,Niinimäki J

更新日期：2014-08-01 00:00:00

abstract：:Silver impregnated activated carbon (SIAC) can effectively remove iodide from water and sequester it in the form of AgI(s)). Given the extremely insoluble nature of AgI(s), the spent SIAC can be safely disposed of in land burial facilities. However, when the molar ratio of silver to iodide is greater than one, which i...

journal_title：Environmental technology

authors： Karanfil T,Moro EC,Serkiz SM

更新日期：2005-11-01 00:00:00

abstract：:This study investigated the utilization of agricultural matrices as the support materials for cell immobilization to improve the technique of bioremediation. Coir, bulrush, banana stem and water hyacinth stem in both delignified and undelignified forms were used to immobilize Burkholderia cepacia PCL3 in bioremediatio...

journal_title：Environmental technology

authors： Laocharoen S,Plangklang P,Reungsang A

更新日期：2013-09-01 00:00:00

abstract：:A pesticide fate and transport model (PCPF-B) was developed to predict the runoff of pesticides from paddy plots to a drainage canal in a paddy block based on the plot scale model (PCPF-1). The block-scale model now comprises three modules: (1) a module for pesticide application, (2) a module for pesticide behaviour i...

journal_title：Environmental technology

authors： Phong TK,Hiramatsu K,Watanabe H

更新日期：2011-01-01 00:00:00

abstract：:Metal-organic frameworks (MOFs) have recently debuted as participants and solid supports in catalysts for environmental application in water treatment. Visible light active nanocomposites; ZnO/MIL-101(Fe); were synthesized via a hydrothermal method by loading ZnO; prepared by a green method; on a porous MIL-101(Fe) to...

journal_title：Environmental technology

authors： Amdeha E,Mohamed RS

更新日期：2019-08-11 00:00:00

abstract：:Two types of cathodic biofilm in microbial fuel cells (MFC) were established for comparison on their performance and microbial communities. Complete autotrophic simultaneous nitrification and denitrification (SND) without organics addition was achieved in nitrifying-MFC (N-MFC) with a total nitrogen (TN) removal rate ...

journal_title：Environmental technology

authors： Li C,Xu M,Lu Y,Fang F,Cao J

更新日期：2016-01-01 00:00:00