A control strategy for promoting the stability of denitrifying granular sludge in upflow sludge blankets.

abstract：:The aim of this paper was, on one hand, to study the treatment of raw tannery effluent by infiltration percolation system and, on the other hand, to determine the distribution and speciation of chromium in the used soil. The system pilot consisted of columns filled to 15 cm of gravel and 60 cm of soil (88% of sand). T...

journal_title：Environmental technology

authors： Tiglyene S,Jaouad A,Mandi L

更新日期：2008-06-01 00:00:00

abstract：:A prototype pilot plant testing for a novel complete treatment strategy for landfill leachate aimed to decrease its environmental impact was studied. Pre-treatment of leachate was performed by means of a membrane biore-actor (MBR) decreasing inorganic carbon concentration by 92 ± 8% and achieving N removals of 85%. Su...

journal_title：Environmental technology

authors： Ribera-Pi J,Badia-Fabregat M,Espí J,Clarens F,Jubany I,Martínez-Lladó X

更新日期：2020-03-04 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：: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 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：:The impact of carbon source variation on the physical and chemical characteristics of aerobic granular sludge and its biological nutrient (nitrogen and phosphorus) removal performance was investigated. Two identical sequencing batch reactors, R1 and R2, were set up. Granular biomass was cultivated to maturity using ac...

journal_title：Environmental technology

authors： Lashkarizadeh M,Yuan Q,Oleszkiewicz JA

更新日期：2015-01-01 00:00:00

abstract：:How to utilize the shadows of buildings and greening to jointly improve the thermal cycle of the commercial pedestrian streets in hot and humid areas in southern China is a problem that needs to be discussed. This paper put forward related concepts of the invalid shadow area, valid shadow area, and thermal regulation ...

journal_title：Environmental technology

authors： Chen J,Wang F

更新日期：2020-02-06 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：: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：:Standard filtration methods have been characterized by poor recoveries when processing large-volume samples of environmental water. A method to pre-remove particulates present in turbid waters would be necessary to enhance recovery of protozoan oocysts. Particulate separation can be achieved by the proposed multiplex ...

journal_title：Environmental technology

authors： Pires NM,Dong T

更新日期：2014-03-01 00:00:00

abstract：:Greenbelt is a strip of vegetation for which species of trees and shrubs are scientifically chosen and planted to serve a designated purpose such as control of wind erosion, of dust, of noise etc. In the context of air pollution attenuation, greenbelts must be developed around a source of air pollutant in a manner so ...

journal_title：Environmental technology

authors： Khan FI,Abbasi SA

更新日期：2002-07-01 00:00:00

abstract：:Traffic is the major air pollution source in most urban areas. Nowadays, most of the strategies carried out to improve urban air quality are focused on reducing traffic emissions. Nevertheless, acting locally on urban design can also reduce levels of air pollutants. In this paper, both strategies are studied in severa...

journal_title：Environmental technology

authors： Acero JA,Simon A,Padro A,Santa Coloma O

更新日期：2012-10-01 00:00:00

abstract：:The effects of antecedent dry days (ADD) on nitrogen removal efficiency were investigated in soil infiltration systems, with three distinguishable layers: mulch layer (ML), coarse soil layer (CSL) and fine soil layer (FSL). Two sets of lab-scale columns with loamy CSL (C1) and sandy CSL (C2) were dosed with synthetic ...

journal_title：Environmental technology

authors： Cho KW,Yoon MH,Song KG,Ahn KH

更新日期：2011-05-01 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：:Research was undertaken to investigate the treatment of fishery washing water using Bacillus sphaericus, and to recover the spores for subsequent use as bioinsecticide to control the population of mosquitoes. This treatment method could reduce pollution due to organic matter by decreasing the value of Chemical Oxygen ...

journal_title：Environmental technology

authors： Ariff AB,Rosfarizan M,Sobri MA,Karim MI

更新日期：2001-06-01 00:00:00

abstract：:Activated carbon was prepared from soybean dregs using chemical activation by zinc chloride. The influence of activation parameters such as impregnation ratio, activation temperature and carbonization time was investigated. The physicochemical properties of activated carbon were characterized using SEM, FTIR, BET and ...

journal_title：Environmental technology

authors： Li Y,Li Y,Zang H,Chen L,Meng Z,Li H,Ci L,Du Q,Wang D,Wang C,Li H,Xia Y

更新日期：2020-06-01 00:00:00

abstract：:The forward osmotic membrane bioreactor (FOMBR) is an emerging innovative technology with broad application prospects in the field of wastewater treatment. Its application is severely limited by concentration polarization, salinity accumulation, and evident water flux decline. Gradual salinity accumulation to a maximu...

journal_title：Environmental technology

authors： Lin Y,Chen Q,Wang Y,Sua K,Hao T

更新日期：2020-02-28 00:00:00

abstract：:In Sweden, waste incineration has played a major role in sustainable waste management, as well as generating combined heat and electricity for many years. Incineration of combustible waste produces residues such as fly ash and bottom ash. The chemical composition of both ashes shows that they consist of bulk metals an...

journal_title：Environmental technology

authors： Baniya B

更新日期：2013-03-01 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：:Secondary hospital wastewater treatment was investigated as an alternative to detoxification and disinfection after anaerobic digestion in a hospital located in southern Brazil. Tertiary and secondary effluents were assessed by general parameters. The use of advanced oxidation processes (UV/O3 and UV/TiO2/O3) showed p...

journal_title：Environmental technology

authors： Machado EL,Kist LT,Schmidt R,Hoeltz JM,Dalberto D,Alcayaga EL

更新日期：2007-10-01 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：:During composting, the thermophilic phase resulted in high degradation of antibiotics in the composting mass; thus temperature is considered as the major factor for degradation of antibiotics. Therefore, to achieve complete removal of antibiotics, the effect of continuous thermophilic composting on the degradation of ...

journal_title：Environmental technology

authors： Selvam A,Zhao Z,Li Y,Chen Y,Leung KS,Wong JW

更新日期：2013-07-01 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：:In this study, the combined use of a biopolymer chitosan and an oxidoreductase polyphenol oxidase (PPO) was systematically investigated for the removal of bisphenol derivatives from aqueous medium. The process parameters, such as the pH value, temperature, and PPO concentration, were estimated to conduct the enzymatic...

journal_title：Environmental technology

authors： Kimura Y,Takahashi A,Kashiwada A,Yamada K

更新日期：2015-01-01 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：:Contaminations by Staphylococcus aureus in food industry environments have been extended to industrial Effluent Treatment Plant (ETP). The methodologies used in ETP for bacterial removals and quality parameters adjustment commonly use products toxic to the environment, being mostly inefficient against virulent bacteri...

journal_title：Environmental technology

authors： Oliveira AM,Mateus GAP,Santos TRTD,Filho BAA,Gomes RG,Bergamasco R

更新日期：2020-04-24 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：:Pentachlorophenol (PCP) degradation by soil indigenous bacteria represents a practical and cost-effective solution. In the present study, bacteria isolated from paddy soil was investigated and the role of electron shuttling (ES) in the PCP degradation process was assessed. Two strains demonstrated the highest PCP degr...

journal_title：Environmental technology

authors： El-Bialy HA,Khalil OAA,Gomaa OM

更新日期：2019-07-01 00:00:00

abstract：:This paper discusses decolorization and chemical oxygen demand (COD) abatement in olive mill wastewaters (OMW) by Phanerochaetae chrysosporium grown in static, suspended and immobilised cultures. When P chrysosporium is used in cultures, no decolorization of crude OMW is observed. Decolorization occurs only after remo...

journal_title：Environmental technology

authors： Mebirouk M,Sbai L,Lopez M,Gonzalez J

更新日期：2006-12-01 00:00:00

abstract：:The distribution and accumulation of heavy metals in the sediments of two rivers which cross various agglomerations of Tangier city, Morocco, were investigated. Surficial sediment samples were collected during 2005 and characterized for metal content (Zn, Pb, Cd, Cu, Cr and Ni), organic matter, total nitrogen, and n-h...

journal_title：Environmental technology

authors： Rodríguez-Barroso MR,Benhamou Y,Coello D,El Moumni B,García-Morales JL

更新日期：2010-02-01 00:00:00