Treatment of high-strength wastewater by Fe(2+)-activated persulphate and hydrogen peroxide.

abstract：:Biodegradation and bioconversion of lignin are the result of the combined action of fungi, bacteria and actinomycetes. Through screening from forest soil, two novel isolated actinomycete strains were identified as Streptomyces spp. strains F-6 and F-7 by their morphology, cultural characteristics and high homology to ...

journal_title：Environmental technology

authors： Yang YS,Zhou JT,Lu H,Yuan YL,Zhao LH

更新日期：2012-12-01 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：:The mineralisation of remazol black B (RBB) was studied at concentrations ranging from 20-1000 mgL(-1). The work was aimed at investigating the Fenton-like peroxidation of RBB at a concentration typically obtained in Batik cottage industries. Other response parameters were degradation and colour removal efficiencies. ...

journal_title：Environmental technology

authors： Hasan DB,Abdul Aziz AR,Daud WM

更新日期：2012-06-01 00:00:00

abstract：:Heavy metal removal from sewage sludge ash can be performed by mixing the ash with environmentally compatible chlorides (e.g. CaCl2 or MgCl2) and water, pelletizing the mixture and treating the pellets in a rotary reactor at about 1000 degrees C. Thermogravimetry-mass spectroscopy, muffle oven tests (500-1150 degrees ...

journal_title：Environmental technology

authors： Nowak B,Wegerer H,Aschenbrenner P,Rechberger H,Winter F

更新日期：2012-10-01 00:00:00

abstract：:Poly(m-phenylenediamine) (PmPD) microparticles, from the monomer with two amino groups, were synthesized through chemical oxidation, and the strong adsorbability of mercury ions on to PmPD was systematically examined. The results revealed a rapid adsorption process with an equilibrium time of 30 minutes. Also, the ads...

journal_title：Environmental technology

authors： Tang R,Li Q,Ding L,Cui H,Zhai J

更新日期：2012-01-01 00:00:00

abstract：:Electrochemical phenol degradation using a platinum-coated Ti electrode was comparatively investigated at different pH levels, which were maintained over the entire operation period. Various analyses such as phenol concentration, TOC, COD, cyclic voltammetry, and total current efficiency were conducted to determine th...

journal_title：Environmental technology

authors： Zambrano J,Park H,Min B

更新日期：2020-10-01 00:00:00

abstract：:In this study, the performance and microbial community in a submerged membrane bioreactor were investigated for different hydraulic retention times. The removal efficiencies of chemical oxygen demand, total phosphorus, suspended solid and heterotrophic bacteria did not differ significantly with different hydraulic ret...

journal_title：Environmental technology

authors： You SJ

更新日期：2005-07-01 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：:The red microalga Porphyridium cruentum is exploited industrially for its exopolysaccharides (EPS) and pigments production. EPS produced by P. cruentum are partially released and dissolved into the surrounding environment, they can be recovered from the culture medium after removing the cells. This paper presents a pa...

journal_title：Environmental technology

authors： Zaouk L,Massé A,Bourseau P,Taha S,Rabiller-Baudry M,Jubeau S,Teychené B,Pruvost J,Jaouen P

更新日期：2020-04-01 00:00:00

abstract：:This study is focused on the concentration of fermented broth from Phoma sp. to increase its herbicidal activity. For this purpose, biomolecules produced by submerged fermentation using Phoma sp. were concentrated by hollow fiber microfiltration membranes. The membrane feed was separated into two streams (retentate an...

journal_title：Environmental technology

authors： Todero I,Confortin TC,Soares JF,Brun T,Luft L,Rabuske JE,Kuhn RC,Tres MV,Zabot GL,Mazutti MA

更新日期：2019-07-01 00:00:00

abstract：:A mathematical model to simulate the biological processes occurring in a membrane bioreactor (MBR) is presented. The model accounts for different MBR technical features by introducing specific permeability parameters for the applied membrane system. The model considers for the heterotrophic storage process and the for...

journal_title：Environmental technology

authors： Tenore A,Vieira J,Frunzo L,Luongo V,Fabbricino M

更新日期：2020-06-01 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 reaction between Fe2+ and H2O2 generates highly reactive ·OH. However, the weak conversion from Fe3+ to Fe2+ limits its continuous reaction. Here, the difference between the Fenton system and modified Fenton system for the regeneration of Fe2+ was analyzed. A UV-vis spectrometer and redox potential measurements we...

journal_title：Environmental technology

authors： Zhou W,Gao J,Zhao H,Meng X,Wu S

更新日期：2017-08-01 00:00:00

abstract：:This study investigated the effect of various intermittent aeration (IA) cycles on organics and nutrient removal, and microbial communities in an integrated fixed-film activated sludge (IFAS) reactor treating municipal waste water. Average effluent biological oxygen demand (BOD), chemical oxygen demand (COD), total su...

journal_title：Environmental technology

authors： Singh NK,Bhatia A,Kazmi AA

更新日期：2017-11-01 00:00:00

abstract：:The production of sulfur (S) from the biological oxidization of sulfide (S2-) by SOB (sulfide-oxidizing bacteria) allows for resource recovery. Past researches have indicated that S recovery from S2- oxidation MABR (the membrane aerated biofilm reactor) was feasible. The process was complicated by the requirement of m...

journal_title：Environmental technology

authors： Jiang X,Xu B,Wu J

更新日期：2019-05-01 00:00:00

abstract：:The emission of greenhouse gases, such as N2O, from wastewater treatment plants is a matter of growing concern. Denitrification by ammonia-oxidizing bacteria (AOB) has been identified as the main N2O producing pathway. To estimate N2O emissions during biological nitrogen removal, reliable mathematical models are essen...

journal_title：Environmental technology

authors： Mampaey KE,Beuckels B,Kampschreur MJ,Kleerebezem R,van Loosdrecht MC,Volcke EI

更新日期：2013-05-01 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：:Direct biofiltration of surface water may be considered as pre-treatment for membrane filtration, in order to reduce fouling. The biofiltration process was investigated with regard to biodegradable organic matter and biofilm formation, covering the annual variations under moderately cold climate conditions. Granular a...

journal_title：Environmental technology

authors： Persson F,Heinicke G,Uhl W,Hedberg T,Hermansson M

更新日期：2006-09-01 00:00:00

abstract：:This study examined the changes in the bacterial community during biodegradation of polycyclic aromatic hydrocarbon (PAH) substrate when N'-N' dimethylformamide (DMF) was added. The microbial populations that biodegrade the PAH substrate were assessed by Fluorescence in-situ hybridization (FISH) and changed from 49.45...

journal_title：Environmental technology

authors： Chang YT,Lee JF,Chao HP,Liao WL

更新日期：2006-01-01 00:00:00

abstract：:Coagulation process is highly influenced by solution pH, floc breakage, and coagulant aid. In this work, two-stage addition of alum-based coagulants, polyaluminum chloride (PACl) and aluminum sulfate (Al2(SO4)3), was compared to their one-stage addition with the same total dosage. The dose ratio of primary and seconda...

journal_title：Environmental technology

authors： Du P,Li X,Yang Y,Fan X,Fang X,Zhou Z

更新日期：2020-05-19 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：:A new method for the simultaneous determination of cyanuric acid (CA), melamine (MM) and cyromazine (CM) in different water samples was developed by using reversed phase high-performance liquid chromatography diode-array detection (RP-HPLC-DAD). The conditions of HPLC were investigated and optimized. A KROMASIL C18 co...

journal_title：Environmental technology

authors： Sun H,Qin X,Ge X,Wang L

更新日期：2011-02-01 00:00:00

abstract：:Five yeast strains, namely Rhodotorula rubra, Candida tropicalis, Candida utilis, Candida boidinii, Trichosporon cutaneum, were isolated from soil spots of a salad oil factory, and applied for continuous treatment of salad oil manufacturing wastewater. The oil and COD removal performance of the mixed cultures were com...

journal_title：Environmental technology

authors： Zheng S,Yang M,Lv W,Liu F

更新日期：2001-05-01 00:00:00

abstract：:To enhance the capture of low-level indoor CO2, a commercial zeolite (13X) was modified with alkali and alkaline earth metals using an ion-exchange method. Although the calcium-impregnated sorbent (zeo-Ca) showed the largest adsorption capacity, with a strong binding force for carbon dioxide, its regeneration by heat ...

journal_title：Environmental technology

authors： Lee KM,Lim YH,Jo YM

更新日期：2012-01-01 00:00:00

abstract：:Composite hydrogels were prepared by a wet-casting process by blending a biopolymer, chitosan, with activated carbon (AC) for use in water treatment. Adsorption properties of the composite gels for an organic micro-pollutant (phenol) which may be encountered in wastewaters was studied with an experimental design appro...

journal_title：Environmental technology

authors： Venault A,Vachoud L,Pochat C,Bouyer D,Faur C

更新日期：2008-12-01 00:00:00

abstract：:Municipal solid waste incineration (MSWI) fly ashes are hazardous waste since they contain organic pollutants, heavy metals and an important amount of various soluble salts. However their chemical composition is interesting for their valorization in cement production. The objective of this paper is to assess the possi...

journal_title：Environmental technology

authors： Diliberto C,Meux E,Diliberto S,Garoux L,Marcadier E,Rizet L,Lecomte A

更新日期：2020-04-01 00:00:00

abstract：:Anaerobic biofilm reactors have limitations in treating wastewaters with low organic substrate concentrations (COD value below 1000 mg/L) because the substrate cannot reach the microorganisms present in the interior part of the biogranules. Hence, the performance of these reactors is mainly influenced by the size of t...

journal_title：Environmental technology

authors： Ramesh M,Saravanan V,Sreekrishnan TR

更新日期：2011-01-01 00:00:00

abstract：:In order to enhance anaerobic biodegradability of food waste (FW), thermal pretreatment was applied. The effectiveness in terms of biodegradability extent and process rate improvement was investigated. To this aim, Biomethane Potential tests were carried out under mesophilic and thermophilic conditions. The IWA anaero...

journal_title：Environmental technology

authors： Montecchio D,Gallipoli A,Gianico A,Mininni G,Pagliaccia P,Braguglia CM

更新日期：2017-06-01 00:00:00

abstract：:A pilot-scale study of tertiary wastewater treatment of the JIZHUANGZI Municipal Wastewater Treatment Plant was carried out by preozonation, coagulation and direct filtration process with the aim of producing wastewater suitable for reuse. The proposed treatment scheme could produce a filtered water with lower turbidi...

journal_title：Environmental technology

authors： Lu SG,Imai T,An DN,Ukita M

更新日期：2001-03-01 00:00:00

abstract：:Chemicals of emerging concern (CECs) are frequently used in cosmetic formulations and can potentially reach the environment at concentrations that may cause harm. A methodology was developed to assess over 120 chemicals assembled from product ingredient listings to identify and validate potential CECs in cosmetics, ba...

journal_title：Environmental technology

authors： Dhanirama D,Gronow J,Voulvoulis N

更新日期：2012-07-01 00:00:00