Comparison of initial photocatalytic degradation pathway of aromatic and linear amino acids.

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：:Treated wastewater in micro-irrigation is a promising approach that could be used to decrease the pressure on good quality water resources. However, the clogging of such systems due to biofilm development and chemical precipitation constitute a constraint with the use of treated wastewater (TWW) and lead to lower irri...

journal_title：Environmental technology

authors： Rizk N,Ait-Mouheb N,Molle B,Roche N

更新日期：2021-01-01 00:00:00

abstract：:Phosphorus recovery from wastewater is a focus area in Denmark; the aim is to recover at least 80% of the phosphorus. In order to extract phosphorus, surplus sludge from wastewater treatment plants was acidified (pH 2-4) to increase the dissolved phosphorus concentration, which then can be precipitated and recovered. ...

journal_title：Environmental technology

authors： Quist-Jensen CA,Wybrandt L,Løkkegaard H,Antonsen SB,Christensen ML

更新日期：2020-09-01 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：:A horizontal flow multimedia stormwater filter was developed and tested for hydraulic efficiency and pollutant removal efficiency. Gravel, coconut (Cocos nucifera) fibre and sand were selected as the media and filled in 1:1:1 proportion. A fabric screen made up of woven sisal hemp was used to separate the media. The a...

journal_title：Environmental technology

authors： Samuel MP,Senthilvel S,Tamilmani D,Mathew AC

更新日期：2012-09-01 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

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：:Faecal sludge (FS) treatment in urban slums of low-income countries of sub-Saharan Africa is poor or non-existent. FS contains over 90% water and therefore dewatering it within slums decreases transport costs, facilitates local treatment and end-use. This study was designed to enhance the dewatering efficiency of FS, ...

journal_title：Environmental technology

authors： Semiyaga S,Okure MAE,Niwagaba CB,Nyenje PM,Kansiime F

更新日期：2018-02-01 00:00:00

abstract：:The persistence of organic pollutants is an important environmental property due to the extended possibility to have an impact of corresponding substances. In many cases, the experimental values of the thousands of contaminants are missing. The object of the study is novel computational modeling for air pollutions. Qu...

journal_title：Environmental technology

authors： Toropova AP,Toropov AA,Lombardo A,Lavado G,Benfenati E

更新日期：2021-01-27 00:00:00

abstract：:Dissolved organic matter (DOM) in soluble microbial products (SMP), loosely bound (LBEPS) and tightly bound extracellular polymeric substances (TBEPS) were extracted from wastewater sludge, fractionated by size exclusion chromatography and characterized by ultraviolet absorbance at 230, 254 and 280 nm, the dissolved o...

journal_title：Environmental technology

authors： Tsai BN,Chang CH,Lee DJ

更新日期：2008-10-01 00:00:00

abstract：:Heterotrophic Biofilms, growing in the successive three treatment stages of the RBC reactor in a full-scale wastewater treatment plant in the summer of 2002, were investigated and compared to those growing in the fall of 2001. The seasonal changes in biofilm structure were studied in terms of biofilm thickness, dry so...

journal_title：Environmental technology

authors： Shen L,Ganczarczyk J

更新日期：2005-01-01 00:00:00

abstract：:This study evaluated the effects of Al-coagulant sludge characteristics on the efficiency ofcoagulant recovery by acidification with H2SO4. Two sludge characteristics were studied: types of coagulant and textures of the suspended solid in raw water. The coagulant types are aluminium sulphate and polyaluminium chloride...

journal_title：Environmental technology

authors： Chen YJ,Wang WM,Wei MJ,Chen JL,He JL,Chiang KY,Wu CC

更新日期：2012-12-01 00:00:00

abstract：:This work proposed a new approach of reusing drinking water treatment residuals (WTR) in a continuous stirred tank reactor (CSTR) to remove phosphate (P) from urban wastewater. The results revealed that the P removal efficiency of the WTR was more than 94% for urban wastewater, in the condition of initial P concentrat...

journal_title：Environmental technology

authors： Bai L,Wang C,Pei Y,Zhao J

更新日期：2014-11-01 00:00:00

abstract：:It is understood that the major pollution from storm water is related to the content of particulate matter. One treatment practice is based on the first flush, i.e. detention of the initial part of the runoff that is considered to contain the highest concentrations of pollutants. This study has evaluated the concentra...

journal_title：Environmental technology

authors： Hallberg M,Renman G

更新日期：2006-09-01 00:00:00

abstract：:This study presents an evaluation of the environmental performance of an ice cream cup made of polyethylene (PE)/paper laminate using a life cycle assessment approach 'from cradle to grave'. Two opposite alternative disposal scenarios, as well as their intermediate combinations, were considered: 100% incineration and ...

journal_title：Environmental technology

authors： Buccino C,Ferrara C,Malvano C,De Feo G

更新日期：2019-02-01 00:00:00

abstract：:A method of chemically bonding copper ferrocynide (CuFC) to the surface of a PVDF hollow-fibre membrane (PVDF-CuFC) was designed and the resulting PVDF-CuFC was applied to the effective removal of aqueous cesium (Cs). In order to chemically immobilize CuFC on the surface of the PVDF hollow-fibre membrane, carboxyl gro...

journal_title：Environmental technology

authors： Lee HK,Choi SJ

更新日期：2021-01-28 00:00:00

abstract：:The effect of initial total solids (TS) concentration on volatile fatty acid (VFAs) production from food waste under mesophilic conditions (35 °C) was determined. VFAs concentration and composition, biogas production, soluble chemical oxygen demand concentration, TS and volatile solids (VS) reduction, and ammonia nitr...

journal_title：Environmental technology

authors： Wang Q,Jiang J,Zhang Y,Li K

更新日期：2015-07-01 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：:Surface and groundwater from Pangani River Basin (PRB) were sampled in dry and wet seasons, analysed for dissolved organic and inorganic nutrients (N, P, Si and Urea). There was spatial and seasonal nutrients' variability, with enrichment of dissolved inorganic fractions accumulated from natural and anthropogenic sour...

journal_title：Environmental technology

authors： Selemani JR,Zhang J,Muzuka ANN,Njau KN,Zhang G,Mzuza MK,Maggid A

更新日期：2018-03-01 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：:Surface-active agents (surfactants) can enhance bioremediation of soils contaminated with PAHs by reducing sorption of PAHs or increasing desorption rates. The effectiveness of nonionic surfactant (Tween 80) and biosurfactants to enhance the solubilization and desorption of phenanthrene (Phe) and pyrene (Pyr) in soil-...

journal_title：Environmental technology

authors： Cheng KY,Zhao ZY,Wong JW

更新日期：2004-10-01 00:00:00

abstract：:Bioflocculant-producing bacteria were isolated from various water reservoirs and sediments of the water treatment plant. Four promising strains were identified by standard biochemical methods and 16s rRNA gene sequencing. Bioflocculants were produced in a batch bioreactor of 3 L under optimized conditions. Fourier tra...

journal_title：Environmental technology

authors： Saha S,Shukla SK,Singh HR,Pradhan KK,Jha SK

更新日期：2020-03-15 00:00:00

abstract：:Treatment of artificial wastewater containing a large amount of suspended solids comprised of soybean processing waste and pig fodder was studied using a novel multi-staged upflow anaerobic sludge blanket reactor. The reactor consisted of three compartments, each containing a gas solid separator. The wastewater had ch...

journal_title：Environmental technology

authors： Uemura S,Harada H,Ohashi A,Torimura S

更新日期：2005-12-01 00:00:00

abstract：:To recover oil from crude oil containing sludge is still a research hot topic from the view of sustainability, in which ultrasonic has been proven to be an efficient and environment friendly technique. However, the effect of sludge characteristic on ultrasonic-assisted oil recovery efficiency is little known. In this ...

journal_title：Environmental technology

authors： He S,Tan X,Hu X,Gao Y

更新日期：2019-04-01 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 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：:This paper describes an application of aerobic respirometry to investigate the influence of humic matter (humate) on biological processes in dilution water and in municipal sewage. Standard product PolySeed, a consortium of bacteria considered to be representative of those found in an activated sludge, was used as a s...

journal_title：Environmental technology

authors： Lipczynska-Kochany E,Kochany J

更新日期：2008-06-01 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：: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：: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