Comparative analysis of microbial community between different cathode systems of microbial fuel cells for denitrification.

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：:The performance of anaerobic, packed-bed bioreactors treating leachate from potato waste was evaluated in terms of organic loading rate (OLR) as well as the recirculation flow rate. Two 1 litre bioreactors, filled with porous glass beads as biofilm carriers and with continuous recirculation flow rates of 10 ml min(-1)...

journal_title：Environmental technology

authors： Mshandete A,Murto M,Kivaisi AK,Rubindamayugi MS,Mattiasson B

更新日期：2004-08-01 00:00:00

abstract：:Combustion processes are known to produce organic micro-pollutants in the flue gas at concentrations ranging over several orders of magnitude. Some organic micro-pollutants are suspected of being pseudo-estrogens and as such they can affect the public health. In this study, the possible application of the yeast based ...

journal_title：Environmental technology

authors： Muthumbi W,De Boever P,D'Haese I,D'Hooge W,Top EM,Pieters JG,Comhaire F,Verstraete W

更新日期：2002-03-01 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：:The effects of bore diameter and particle size of polyurethane (PU) foam on soil wastewater infiltration system as well as its anti-clogging mechanism were investigated in this study. Different types of PU were used to determine the effect of bore diameter and particle size on the chemical oxygen demand (COD) removal....

journal_title：Environmental technology

authors： Yuan H,Nie J,Gu L,Zhu N

更新日期：2016-12-01 00:00:00

abstract：:This study investigated the feasibility of using acrylonitrile-butadiene-styrene (ABS) waste plastic and nonmetal particles from waste printed circuit boards (WPCB) to manufacture reproduction composites (RC), with the aim of co-recycling these two waste resources. The composites were prepared in a twin-crew extruder ...

journal_title：Environmental technology

authors： Sun Z,Shen Z,Zhang X,Ma S

更新日期：2015-01-01 00:00:00

abstract：:The study presented here aims at identifying the source of redox mediators (riboflavin), electron carriers nicotinamide adenine dinucleotide (NAD) and carbon to perform decolorization of azo dye under anaerobic conditions after osmotic shock pretreatment of residual yeast from industrial fermentation. Pretreatment con...

journal_title：Environmental technology

authors： Victral DM,Dias HR,Silva SQ,Baeta BE,Aquino SF

更新日期：2017-02-01 00:00:00

abstract：:To avoid bacterial contamination due to medium replacement in the expanded application of a photosynthesis-fermentation model, an integrated photosynthesis-fermentation hybrid system was set up and evaluated for algal lipid production using Chlorella protothecoides. In this system, the CO2-rich off-gas from the fermen...

journal_title：Environmental technology

authors： Lu Y,Dai J,Wu Q

更新日期：2013-07-01 00:00:00

abstract：:To reduce the suspended solids load to a trickling filter installation, raw swine effluent was pre-treated with ferric chloride and a cationically charged polyacrylamide coagulant resulting in unexpected struvite accumulation downstream of this post-separation process. Using this pre-treated swine manure, struvite pre...

journal_title：Environmental technology

authors： Laridi R,Auclair JC,Benmoussa H

更新日期：2005-05-01 00:00:00

abstract：:The adsorption-desorption of copper ions and a mixture of five metal ions (cadmium, copper, nickel, lead and zinc) in aqueous solutions by a spruce sawdust column was reported. Different studies about the copper binding mechanism, the efficiency of some regenerating solutions for the copper desorption, the use of colu...

journal_title：Environmental technology

authors： Marin J,Ayele J

更新日期：2003-04-01 00:00:00

abstract：:Moringa oleifera extract is a high-capacity flocculant agent for turbidity removal in surface water treatment. A complete study of a pilot-plant installation has been carried out. Because of flocculent sedimentability of treated water, a residual turbidity occured in the pilot plant (around 30 NTU), which could not be...

journal_title：Environmental technology

authors： Beltrán-Heredia J,Sánchez-Martín J

更新日期：2009-05-01 00:00:00

abstract：:About 25 hotels, restaurants and pubs in the rural community Heuvelland are situated in the area designated for individual water treatment. In order to meet the legislation by the end of 2015, each business needs to install an individual waste water treatment system (IWTS). To study this situation, three catering busi...

journal_title：Environmental technology

authors： Van Hulle SW,Ghyselbrecht N,Vermeiren TJ,Depuydt V,Boeckaert C

更新日期：2012-02-01 00:00:00

abstract：:The nitrate removal rate of denitrifying granular sludge in an upflow sludge blanket reactor is very high and reaches up to 3.6 gNO3-N-gVSS-1 d-1 at a nitrate loading rate (NLR) of 32.0 gNO3-N L-1 d-1. However, the granular sludge exhibits flotation under high NLR conditions, where the granules become large in size (o...

journal_title：Environmental technology

authors： Wang F,Jin X,Yang S,Liu Y,Chen X

更新日期：2014-01-01 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：:Incinerators do not achieve a complete mineralization of organic constituents of municipal solid waste. Bottom ash (main solid residue from incineration process) still contains a small quantity of carbon (1 to 5% in weight). This study is about characterisation of the carboned fraction (without carbonates) present in ...

journal_title：Environmental technology

authors： Quilici L,Praud-Tabaries A,Bottzeck O,Tiliacos N

更新日期：2003-08-01 00:00:00

abstract：:The feasibility of reusing hand-washing grey water contaminated with antibacterial hand-washing liquid for irrigation purposes in an urban farm is explored in this case study. Experiments are carried out to investigate if the quality of this grey water allows for its reuse in agriculture as per the guidelines establis...

journal_title：Environmental technology

authors： Khan MZ,Sim YL,Lin YJ,Lai KM

更新日期：2013-01-01 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：:This study highlights the need for the development of simple, efficient, and cost-effective farm-scale applications to treat wastewater arising from vegetable-peeling operations. The aim was to evaluate two full-scale biological wastewater treatment systems, a sequencing batch reactor (SBR) and a biofilter, and a chem...

journal_title：Environmental technology

authors： Lehtoa M,Sipilä I,Sorvala S,Hellstedt M,Kymäläinen HR,Sjöberg AM

更新日期：2009-01-01 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

abstract：:In this research, removal of petroleum hydrocarbons from oily sludge of crude oil storage tanks was investigated under the optimized conditions of in-vessel composting process and chemical oxidation with H2O2 and Fenton. After determining the optimum conditions, the sludge was pre-treated with the optimum state of the...

journal_title：Environmental technology

authors： Koolivand A,Naddafi K,Nabizadeh R,Saeedi R

更新日期：2018-10-01 00:00:00

abstract：:In this study, poly(N-isopropylmethacrylamide-co-methacrylic acid) microgels prepared by free radical precipitation polymerization were used as micro-reactors for the synthesis and stabilization of silver nanoparticles. UV-Visible spectroscopy, Transmission Electron Microscopy and Fourier-transform infrared spectrosco...

journal_title：Environmental technology

authors： Farooqi ZH,Khalid R,Begum R,Farooq U,Wu Q,Wu W,Ajmal M,Irfan A,Naseem K

更新日期：2019-06-01 00:00:00

abstract：:The usefulness of the electrical resistivity method for characterization of contaminated sites has been studied in many ways. The most commonly used device is a cone penetrometer that utilizes two or four electrodes to measure electrical resistivity (or conductivity) during a cone penetration test (CPT) along a vertic...

journal_title：Environmental technology

authors： Ahn T,Allouche EN,Yanful EK

更新日期：2007-06-01 00:00:00

abstract：:Slow-release organic carbon-source (SOC) material, a new kind of electron donor for in situ groundwater denitrification, was prepared and evaluated in this study. With starch as a biologically utilized carbon source and polyvinyl alcohol (PVA) as a frame, this material performed controllable carbon release rates and d...

journal_title：Environmental technology

authors： Zhang D,Zhang X,Wang Y,Zhou G,Li G

更新日期：2015-03-01 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：:Perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) are the major polyfluoroalkyl substances (PFASs) contaminating global water environment. This study investigated the efficiency of granular activated carbon (GAC), ultrafiltration (UF) and nanofiltration (NF) treatment for removing PFOS and PFOA contam...

journal_title：Environmental technology

authors： Pramanik BK,Pramanik SK,Sarker DC,Suja F

更新日期：2017-08-01 00:00:00

abstract：:The demand for uniformly sized and shaped produce that are aesthetically pleasing results in significant food waste throughout the world. Cucumber waste is a major agricultural waste product in a number of countries, especially areas with high pickle production. Opportunity exists for wastewater treatment plants conta...

journal_title：Environmental technology

authors： Lowe TB,Hatch BT,Antle C,Nartker S,Ammerman ML

更新日期：2020-10-01 00:00:00

abstract：:Recently, activated carbon was investigated as an efficient heterogeneous metal-free catalyst to directly activate peroxymonosulfate (PMS) for degradation of organic compounds. In this paper, the reuse performance and the possible deactivation reasons of granular-activated carbon (GAC) and activated carbon fiber (ACF)...

journal_title：Environmental technology

authors： Yang S,Li L,Xiao T,Zhang J,Shao X

更新日期：2017-03-01 00:00:00

abstract：:This paper reviews published work on the sorption of rare earth elements by microbial biomass. In a first part, the biosorption capacities and the various experimental conditions performed in batch reactor experiments are compared. Secondly, sorption modelling generally used in biosorption studies are described. Third...

journal_title：Environmental technology

authors： Andrès Y,Texier AC,Le Cloirec P

更新日期：2003-11-01 00:00:00

abstract：:The separate treatment of sludge liquor, produced by dewatering anaerobic digested sludge at wastewater treatment plants, gives rise to extreme environments for nitrogen removal. A full-scale sequencing batch reactor was operated with the aim of introducing and studying denitritation as a supplement to nitritation in ...

journal_title：Environmental technology

authors： Gustavsson DJ,Nyberg U,Jansen Jl

更新日期：2011-05-01 00:00:00

abstract：:Microbial degradation of phenolic pollutants in industrial wastewater is dependent on enzymatic pathway comprising a cascade of phenol metabolizing enzymes. Phenol hydroxylase is the first enzyme of the pathway catalysing the initial attack on phenol in green algae Chlorella pyrenoidosa. The present work reports cost-...

journal_title：Environmental technology

authors： Das B,Patra S

更新日期：2018-08-01 00:00:00