Degradation of sulphamethazine by means of an improved photo-Fenton process involving a hydrogen peroxide systematic dosage.

abstract：:Herbal Pharmaceutical wastewater was subjected to physico-chemical treatment using conventional coagulants individually and in combination with different anionic, cationic and nonionic polyelectrolytes. Results indicate cationic polyelectrolyte to be the best polymer. Individually Alum did not give good results but Al...

journal_title：Environmental technology

authors： Vanerkar AP,Satyanarayan S,Dharmadhikari DM

更新日期：2005-04-01 00:00:00

abstract：:This study compares the operation of mesophilic and thermophilic anaerobic digestion of sewage sludge and their effects in uncontrolled phosphorus precipitation. The research has been carried out using a pilot plant consisting of two digesters of 1.6 m3 working volume, treating the mixed sludge of Alzira WWTP (Valenci...

journal_title：Environmental technology

authors： Sánchez-Ramírez JE,Pastor L,Martí N,Claros J,Doñate S,Bouzas A

更新日期：2019-10-29 00:00:00

abstract：:Polystyrene (PS) beads have been studied as a possible filter element, with the aim of increasing the effective production of water in treatment plants. Being a granular material of an effective size of 0.68 mm, sphericity of 0.96 and density of 1046 kg/m3, the use of PS beads may provide washing water savings because...

journal_title：Environmental technology

authors： Schöntag JM,Moreira FM,Sens ML

更新日期：2017-08-01 00:00:00

abstract：:A new fed-batch reactor was developed to conduct aerobic biodegradation studies. Its unique feature lies in the ability to self-regulate feed addition, according to the evolution of the degradation process, which is proportional to gaseous products formed, mainly CO2. The reactor is particularly well suited to evaluat...

journal_title：Environmental technology

authors： Santana FJ,Sequeira AS

更新日期：2002-09-01 00:00:00

abstract：:The eutrophication of many rivers and lakes is attributed to the anoxia and the increasing internal loading of nutrients from sediment. A novel sustained-release composite (SRC) synthesis of stearic acid and calcium peroxide (CaO2) was applied to supply a water body with oxygen endured in this study. The influences of...

journal_title：Environmental technology

authors： Li Y,Zhou Y,Zhou Z,Wang N,Zhou Q,Wang F

更新日期：2014-09-01 00:00:00

abstract：:The production of extracellular protease by different Bacillus licheniformis strains (ATCC 21415, ATCC 21417 and ATCC 21424) was tested in wastewater sludge as a raw material as well as in synthetic soy medium to compare the capacity of protease production by different strains and to compare the capacity of the medium...

journal_title：Environmental technology

authors： Bezawada J,Yan S,Tyagia RD,Surampalli RY

更新日期：2010-01-01 00:00:00

abstract：:Over the past few decades, several technologies have been developed to recover phosphorus (P) as struvite from wastewater. Although these technologies have achieved reasonable P-removal efficiencies, these technologies are associated with several shortcomings such as high capital and operating costs, longer crystalliz...

journal_title：Environmental technology

authors： Ghosh S,Lobanov S,Lo VK

更新日期：2019-06-01 00:00:00

abstract：:The goal of this research is to find a more effective treatment for tequila vinasses (TVs) with potential industrial application in order to comply with the Mexican environmental regulations. TVs are characterized by their high content of solids, high values of biochemical oxygen demand (BODs), chemical oxygen demand ...

journal_title：Environmental technology

authors： Retes-Pruneda JL,Davila-Vazquez G,Medina-Ramírez I,Chavez-Vela NA,Lozano-Alvarez JA,Alatriste-Mondragon F,Jauregui-Rincon J

更新日期：2014-08-01 00:00:00

abstract：:Ce/TiO2-SiO2 catalysts with different Ti/Si molar ratios are prepared by the incipient impregnation method and their NH3-SCR activities are evaluated at 100-500°C on a fixed reactor. The Ce/TiO2-SiO2 (3/1) catalyst, modified by non-thermal plasma (NTP) treatment and then activated by thermal treatment at 500°C for 4 h...

journal_title：Environmental technology

authors： Chen K,Chen R,Cang H,Mao A,Tang Z,Xu Q

更新日期：2018-07-01 00:00:00

abstract：:The aim of this research was to develop an optimal reuse system applying various types of advanced oxidation processes such as titanium dioxide (TiO2), ozone (O3) and electro-coagulation/oxidation methods. This system is suitable for improving the treatment efficiency of difficult wastewaters, and for the efficient re...

journal_title：Environmental technology

authors： Chung H,Ku B,Gregory J

更新日期：2008-09-01 00:00:00

abstract：:ABSTRACT Glass recycling is a process that faces many obstacles, especially in the closed-loop context. Waste glass separation and transportation can become quite expensive, turning glass collection for remanufacture unfeasible. For this reason, it is important that alternative markets for waste glass are sought. This...

journal_title：Environmental technology

authors： Salzmann RD,Ackerman JN,Cicek N

更新日期：2020-06-18 00:00:00

abstract：:Industrial activities are sources of high emission rates of particulate matter. The existence of many such industrial plants close to a densely populated area can have a severe effect on human health. The effects can be even worse when these emissions are added to existing background concentration levels. This study d...

journal_title：Environmental technology

authors： Kakosimos KE,Assael MJ,Katsarou AS

更新日期：2011-04-01 00:00:00

abstract：:An evaluation has been made of a dispersive liquid-liquid microextraction (DLLME) procedure for the determination of 16 polycyclic aromatic hydrocarbons (PAHs) in different environmental waters including seawaters and wastewaters, using gas-chromatography (GC) with flame-ionization detection (FID). The optimized metho...

journal_title：Environmental technology

authors： Ramos-Dorta CV,Pino V,Afonso AM

更新日期：2013-03-01 00:00:00

abstract：:Manganese-tin bimetallic oxide (MnSnO3) is synthesized by the solvothermal approach using manganese acetate and stannic chloride as precursors and urea as a precipitating agent in an aqueous medium. The crystallinity, purity and lattice parameters of the product are analysed by the X-ray diffraction analysis. The morp...

journal_title：Environmental technology

authors： Khan SR,Naeem A,Jamil S,Islam Aqib A,Ashraf Janjua MRS

更新日期：2019-08-29 00:00:00

abstract：:Adsorption by carbon materials is one of the relatively fast methods in present research, which is widely used in emergency events. Activated carbon fiber (ACF) modified by nitric acid (N-ACF) was studied in this research to determine the adsorption performance for 2,4-dichlorophenoxyacetic acid (2,4-D). Subsequently,...

journal_title：Environmental technology

authors： Li Q,Sun J,Ren T,Guo L,Yang Z,Yang Q,Chen H

更新日期：2018-04-01 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：:A heterotrophic nitrifier wsw-1001 was isolated from Songhua River and identified as Pseudomonas fluorescens. Ammonium removal by the strain at low temperature was investigated. The effect of initial ammonium concentration (from 5 to 1000 mg/L) and culture temperature (from 4°C to 30°C) on ammonium removal efficiency ...

journal_title：Environmental technology

authors： Zhang S,Sha C,Jiang W,Li W,Zhang D,Li J,Meng L,Piao Y

更新日期：2015-01-01 00:00:00

abstract：:The clay soil in the middle and lower reaches of the Yangtze River in China is widely distributed and the groundwater table is shallow. In order to accurately analyze the distribution and assess the potentially harmful effects of the pollutants in this region, it's necessary to study the diffusion rate and subsequent ...

journal_title：Environmental technology

authors： Gao C,Guo X,Shao S,Wu J

更新日期：2020-05-23 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 study lead (Pb) distribution in organs and blood in the case of Pb poisoning, mice were firstly exposed to Pb as 0.1 mL or 0.2 mL of lead nitrate solution (0.1 mg/mL) by vein injection every other day. Then, after metabolic absorption, the Pb level in the blood and organs of the mice was measured using flame atomic...

journal_title：Environmental technology

authors： Sun HW,Ma DJ,Chao CY,Liu S,Yuan ZB

更新日期：2009-09-01 00:00:00

abstract：:ABSTRACT The present work focuses on the synthesis of a proton exchange membrane to be assembled in a microbial fuel cell (MFC) for simultaneous bioelectricity production and domestic wastewater treatment. The indigenous membrane was prepared by ionizing irradiation-induced graft copolymerization of glycidyl methacryl...

journal_title：Environmental technology

authors： Abd-Elmabood HM,Raafat AI,Soliman EA,Ali AE

更新日期：2020-07-07 00:00:00

abstract：:The adsorption of copper ions on magnetic adsorbents with amino-functionalized polymers (DETA/SiO2/Fe3O4) has been investigated. In addition, the structure and characterization of magnetic nano-adsorbents were confirmed using FTIR, TGA, TEM, VSM, and BET. The results showed that DETA/SiO2/Fe3O4 exhibited a paramagneti...

journal_title：Environmental technology

authors： Chen HW,Chang SH

更新日期：2020-08-13 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：:Gasification is one of the most important thermochemical routes to produce both synthesis gas (syngas) and chars. The quality of produced syngas wieldy depends on the operating conditions (temperature, residence time, heating rate, and gasifying agent), hydrodynamic properties of gasifier (particle size, minimum fluid...

journal_title：Environmental technology

authors： Ebadi AG,Hisoriev H

更新日期：2019-02-01 00:00:00

abstract：:In this study, coal fly ash supported MnO2 (CFA@MnO2) was synthesized as heterocatalyst for the activation of peroxymonosulfate to degrade Acid Red 73 (AR73). The synthesized catalyst was characterized by X-Ray Fluorescence Spectrometer (XRF), X-ray powder diffraction (XRD), Scanning electron microscope (SEM), X-ray p...

journal_title：Environmental technology

authors： Li X,Yi L,Zhu Q,Zhao L,Xu Y,Liu M,Liu T,Wu Q

更新日期：2021-01-01 00:00:00

abstract：:In this work, we report a stable g-C3N4, Bi2S3, and g-C3N4/Bi2S3 composite catalysts were prepared via a facile one-pot microwave-assisted method and characterized. The orthorhombic phase and nearly spherical shape of the particles with an average diameter of 5-25 nm of g-C3N4/Bi2S3 composite were obtained from XRD an...

journal_title：Environmental technology

authors： Ayodhya D,Veerabhadram G

更新日期：2019-07-25 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：:Canada's agricultural emissions accounted for 60 Mt or 8% of national greenhouse gas (GHG) emissions in 2007. The estimation of CH4 emission factor (B0) from manure management systems in Canada is prone to uncertainty owing to lack of B0 values for Canadian conditions. Therefore, in this study, manure samples from six...

journal_title：Environmental technology

authors： Godbout S,Verma M,Larouche JP,Potvin L,Chapman AM,Lemay SP,Pelletier F,Brar SK

更新日期：2010-11-01 00:00:00

abstract：:This study investigated whether a combined application of hydroxyapatite and ferrihydrite could immobilize lead and antimony in shooting range soil in which the level of lead contamination is markedly higher than that of antimony. In addition, we evaluated the stability of lead and antimony immobilized by the combined...

journal_title：Environmental technology

authors： Ogawa S,Katoh M,Sato T

更新日期：2015-01-01 00:00:00

abstract：:Total solids (TS) concentrations ranging from 15 to 66 g L(-1) of starch industry wastewater (SIW) were tested as raw material for the production of Bacillus thuringiensis var. kurstaki HD-1 (Btk) biopesticide in shake flasks and a 15 L bench-scale fermenter. Shake flask studies revealed a higher delta-endotoxin conce...

journal_title：Environmental technology

authors： Vu KD,Tyagi RD,Brar SK,Valéro JR,Surampalli RY

更新日期：2009-04-01 00:00:00