Prediction of changes in important physical parameters during composting of separated animal slurry solid fractions.

abstract：:In this paper, catalytic samples of 10, 20, 30, 40 and 50% (w/w) urea/activated carbon fibre (AFC), 10% urea--5% La2O3/ACF, 10% urea--10% La2O3/ACF, 10% urea--15% La2O3/ACF, 20% urea--5% La2O3/ACF, 20% urea--10% La2O3/ACF, and 20% urea-15% La2O3/ACF were prepared and used for removal of NO under the condition of: NO, ...

journal_title：Environmental technology

authors： Lu P,Zeng Z,Li C,Zeng G,Guo J,Jiang X,Zhai Y,Fan X

更新日期：2012-04-01 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：: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

abstract：:Methane in a simulated biogas converting to methanol under aerobic condition was comparatively assessed by inhibiting the activity of methanol dehydrogenase (MDH) of Methylosinus sporium using phosphate, NaCl, NH4Cl or EDTA in their varying concentrations. The highest amount of methane was indistinguishably diverted a...

journal_title：Environmental technology

authors： Yoo YS,Han JS,Ahn CM,Kim CG

更新日期：2015-03-01 00:00:00

abstract：:An integrated OCO reactor with two side-ditch separators based on the anaerobic/anoxic/oxic (A2/O) process was developed for municipal wastewater treatment in this study. The effects of dissolved oxygen (DO) concentration, hydraulic retention time (HRT) and the ratio of chemical oxygen demand (COD) to total nitrogen (...

journal_title：Environmental technology

authors： Li D,Mao Y,Liu Z,Yin X,Lang C,Liu Y

更新日期：2014-09-01 00:00:00

abstract：:Removal of heavy metals (Cu(II), Pb(II) and Zn(II)) from aqueous solution was investigated using native or saponified chicory pulp biomass. Firstly, carbohydrates constituted about 70% of pulp dried matter. The pectic fraction represented 12-14% of dried matter and about 51% of these pectic units were esterified by me...

journal_title：Environmental technology

authors： Rio S,Martin P

更新日期：2012-10-01 00:00:00

abstract：:Anodic oxidation at a boron-doped diamond anode of cork boiling wastewater was successfully used for mineralization and biodegradability enhancement required for effluent discharge or subsequent biological treatment, respectively. The influence of the applied current density (30-70 mA/cm2) and the background electroly...

journal_title：Environmental technology

authors： Fernandes A,Santos D,Pacheco MJ,Ciríaco L,Simões R,Gomes AC,Lopes A

更新日期：2015-01-01 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：: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：:The main aim of this work is to test the performance of red mud as a permeable reactive barrier (PRB) material for fluoride removal from water. Batch experiments were carried out to optimise the fluoride removal efficiency (RE) of activated red mud (ARM) based on four selected parameters, namely, the initial fluoride ...

journal_title：Environmental technology

authors： Vinati A,Rene ER,Pakshirajan K,Behera SK

更新日期：2020-11-01 00:00:00

abstract：:In the completely autotrophic nitrogen removal over nitrite (CANON) process, the nitrite-oxidizing bacteria (NOB) should be effectively suppressed or thoroughly washed out. In this study, the nitrate production and the structure of NOB community under different inorganic carbon (IC) concentrations were investigated us...

journal_title：Environmental technology

authors： Zhang X,Zhou Y,Ma Y,Zhang N,Zhao S,Zhang R,Zhang J,Zhang H

更新日期：2018-02-01 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 purposes of this study were to develop a refined model for simulation of ozonation of estrogenic chemicals under different conditions and to investigate the behaviors of estrogenic by-products using the model. In the cases of ozonation of 17-estradiol (E2), bisphenol-A (BPA) and nonylphenol (NP) in aqueous solutio...

journal_title：Environmental technology

authors： Kim SE,Park NS,Yamada H,Tsuno H

更新日期：2008-03-01 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：: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：:Cocoa bean skin is a waste of chocolate industries that mostly contains hemicellulose, cellulose, and lignin. This material shows to be a promising feedstock for the production of liquid smoke and charcoal. The study was aimed to analyse the influence of temperature and heating rate of cocoa bean skin pyrolysis to the...

journal_title：Environmental technology

authors： Handojo L,Indarto A

更新日期：2020-03-01 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：:Seven household treatment technologies for the removal of arsenic (Alcan, BUET, DPHE/DANIDA, Garnet, Sono, Stevens, Tetrahedron) were each evaluated using water from 63 different tube wells taken from 3 different regions of Bangladesh. The technologies that were evaluated were chosen from those that appeared user frie...

journal_title：Environmental technology

authors： Sutherland D,Swash PM,Macqueen AC,McWilliam LE,Ross DJ,Wood SC

更新日期：2002-12-01 00:00:00

abstract：:Surface transfer and bubble transfer both contribute significantly to oxygen transfer in a diffused aeration system. In the present study, liquid-film-forming apparatus is successfully developed on a laboratory scale to improve considerably the surface transfer via the unique liquid film transfer technique. The experi...

journal_title：Environmental technology

authors： Zhu H,Imai T,Tani K,Ukita M,Sekine M,Higuchi T,Zhang ZJ

更新日期：2007-05-01 00:00:00

abstract：:Algal blooms are a significant problem in the UK, particularly in water sources that supply potable water treatment works. A wide range of methods to control algae have been tested and, whilst many are effective, they all have disadvantages. The use of barley straw to control algal growth in reservoirs is one option t...

journal_title：Environmental technology

authors： Murray D,Jefferson B,Jarvis P,Parsons SA

更新日期：2010-04-01 00:00:00

abstract：:Mechanical properties of fiber-reinforced soil after soaking in heavy metal ion solution have great influences on safety and stability of the reinforcement, herein the mechanical properties of optimum moisture content of different concentrations of zinc ions contaminated soil were studied through shear test, compressi...

journal_title：Environmental technology

authors： Ma Q,Xiang JC,Yang YC,Xiao HL,Wan J

更新日期：2019-08-27 00:00:00

abstract：:Biofiltration technology has been recognized as a promising biotechnology for treating the volatile organic compounds (VOCs) present in polluted air. This study aims to investigate the performance of a biofiltration system of Streptomyces griseus sp. DSM-40759 immobilized on activated carbon (PICA S23) towards the ads...

journal_title：Environmental technology

authors： Mohamed EF,Awad G,Andriantsiferana C,El-Diwany AI

更新日期：2016-01-01 00:00:00

abstract：:The behavior of cyanobacteria and its potential use for biofuel production in scale-up conditions is a topic of growing importance. The aim of our work is to study the effects of illumination, stirring, and different growth phases on the cultivation of the cyanobacteria Spirulina platensis in 10 L raceways. The cultiv...

journal_title：Environmental technology

authors： Magro FG,Margarites AC,Reinehr CO,Gonçalves GC,Rodigheri G,Costa JAV,Colla LM

更新日期：2018-07-01 00:00:00

abstract：:Currently, municipal and industrial wastewater treatment plants (WWTPs) are mainly focusing on reduction of biological oxygen demand and on the removal of nutrients. However, there are microorganisms that interfere with the process. In this environment, there is a large diversity of microorganisms that have not been s...

journal_title：Environmental technology

authors： Soler A,García-Hernández J,Zornoza A,Alonso JL

更新日期：2018-01-01 00:00:00

abstract：:Red mud, an industrial by-product generated during the processing of bauxite ore, was investigated as an inexpensive and effective adsorbent for the adsorption of methylene blue from aqueous solution. Chemical and heat treatments were applied to the raw red mud. The effects of contact time, adsorbent amount, pH, tempe...

journal_title：Environmental technology

authors： Coruh S,Geyikçi F,Ergun ON

更新日期：2011-08-01 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：:The goal of the current research was to critically examine the role of the shape and the size of contaminated particles for an accurate prediction of membrane fouling phenomenon. Polycarbonate flat membranes (PC) with uniform pore sizes of 0.05 and 0.1 µm, in addition to Polysulfone membranes (PS) with molecular weigh...

journal_title：Environmental technology

authors： Abdelrasoul A,Doan H,Lohi A,Cheng CH

更新日期：2018-01-01 00:00:00

abstract：:Results from a lab-scale investigation of a hybrid in/out ultrafiltration and powdered activated carbon adsorption PAC/UF for removal of diclofenac (c0 = 5 mg/L) are presented. The efficiency of the process was compared for single pulse and continuous carbon dosing (PAC dose 5 mg/L) in dechlorinated tap water under fl...

journal_title：Environmental technology

authors： Ivančev-Tumbas I,Hoffmann G,Hobby R,Kerkez Đ,Tubić A,Babić-Nanić S,Panglisch S

更新日期：2018-09-01 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：: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