Absorption of a linear (L2) and a cyclic (D4) siloxane using different oils: application to biogas treatment.

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：:Nоblе mеtаls suppоrtеd оn TiО2 (Dеgussа P25) mоdifiеd with WО3 undеr thе еffесt оf fееding оxуgеn аnd оzоnе соntаining mixturе tо thе rеасtоr undеr UV-С irrаdiаtiоn wеrе еxаminеd fоr thеir саtаlуtiс асtivitу in thеrеасtiоn оf оxаliс асid liquid phаsе оxidаtiоn. Thе sаmplеs wеrе sуnthеsizеd bу еxtrасtivе-pуrоlуtiс mеth...

journal_title：Environmental technology

authors： Gеоrgiеv V,Еliуаs А,Tуuliеv G,Bаtаkliеv T,Sеrgа V,Kаrаkаshkоvа P,Аnасhkоv M,Iliеv V

更新日期：2020-09-01 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：: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：: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：:Ozonation of 2,4-dichlorophenol (DCP) in the presence of permanganate has been investigated at various levels of pH. Compared with only 40% in single ozonation, by catalytic ozonation the total organic carbon removal efficiency reached almost 95%. It has been shown that the addition of 0.5 mg L(-1) MnO4- (based on man...

journal_title：Environmental technology

authors： Xiao H,Xu Y,Yu M,Zhang Q

更新日期：2010-10-01 00:00:00

abstract：:The application of air protection methods and technologies involves considerable investment and maintenance costs. Thus, to reduce overall expenditures an economic calculation of air pollution control, should be applied. This problem is connected in special way with areas of great population of inhabitants with spatia...

journal_title：Environmental technology

authors： Zelinski J,Konieczynski J,Mateja-Losa E

更新日期：2004-01-01 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：:Partial nitritation is an essential first step in anaerobic ammonium oxidation. This study compared the performance of air-lift partial nitritation reactors with attached growth (AG) and suspended growth (SG) without biomass retention using ammonium-rich recirculated liquor produced from the dewatering of anaerobicall...

journal_title：Environmental technology

authors： Choi J,Ahn Y

更新日期：2014-05-01 00:00:00

abstract：:The inhibition of undesirable nitrite oxidizing bacteria (NOB) and desirable ammonium oxidizing bacteria (AOB) by free ammonia (FA) and free nitrous acid (FNA) in partial nitritation (PN) is crucially affected by the biomass growth mode (suspended sludge, biofilm, encapsulation). But, the limitations of these modes to...

journal_title：Environmental technology

authors： Kouba V,Svehla P,Catrysse M,Prochazkova L,Radechovska H,Jenicek P,Bartacek J

更新日期：2019-02-01 00:00:00

abstract：:Standard experimental protocols for biodegrading petroleum hydrocarbons employ microbiological and/or analytical analysis, and require advanced machines and specialized professionals to carry them out. Furthermore, the obtained results involve a high margin of error. In this paper, a new experimental technique was dev...

journal_title：Environmental technology

authors： Said M,Elektorowicz M,Ahmad D,Chifrina R

更新日期：2006-10-01 00:00:00

abstract：:The electrolysis process adopting copper electrodes and ceramic membrane with pore sizes of 0.1-0.2 μm were consisted to a system for the treatment of sewage from decentralized small communities. The system was operated under an HRT of 0.1 hour, voltage of 24 V, and TMP of 0.05 MPa. The system showed average removals ...

journal_title：Environmental technology

authors： Son DJ,Kim WY,Yun CY,Kim DG,Chang D,Sunwoo Y,Hong KH

更新日期：2018-08-01 00:00:00

abstract：:The study examined the preparation, characterization and the use of carbon xerogel (CX) material for the adsorption of three model naphthenic acids (NAs); such as, heptanoic acid (HPA), 5-cyclohexanepentanoic acid (CHPA), and 5-phenylvaleric acid (PVA). CX was synthesized by sol-gel method from resorcinol and formalde...

journal_title：Environmental technology

authors： Rashed Y,Messele SA,Zeng H,Gamal El-Din M

更新日期：2020-11-01 00:00:00

abstract：:High concentrations of heavy metals, such as arsenic, in soils have potential long-term environmental and health consequences due to their persistence in the environment and their associated toxicity to biological organisms. Aspergillus nidulans isolated from arsenic-contaminated soil has the potential to remove arsen...

journal_title：Environmental technology

authors： Maheswari S,Murugesan AG

更新日期：2009-08-01 00:00:00

abstract：:Soil contaminated by organic pollutants, especially chlorinated aromatic compounds such as DDT (1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane), is an environmental concern because of the strong sorption of organochlorine pesticide onto the soil matrix and persistence in the environment. The remediation of organochlori...

journal_title：Environmental technology

authors： Zhang Y,Wong JW,Zhao Z,Selvam A

更新日期：2011-12-01 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：: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：:Sediment borne pesticides are one of the major routes of transport of pesticides into the aquatic environment and could affect biota living closely in contact with it. Sediment residues of DDT were found to be easily adsorbed (95.0%) and were released in hard water (8.4%) and seawater (0.1%). DDT and DDE sediment resi...

journal_title：Environmental technology

authors： Bajet CM,Navarro MP

更新日期：2002-11-01 00:00:00

abstract：:The pollution of lake sediments by organic micro-pollutants has been of growing environmental concern due to their suspected long-term effects on both human health and the surrounding ecosystem. In this research, in order to investigate and evaluate the micro-organic pollution in lake sediments, an analytical methodol...

journal_title：Environmental technology

authors： Shimzu Y,Matsui S,Harada J

更新日期：2003-07-01 00:00:00

abstract：:A possible approach for determining soil and groundwater quality criteria for contaminated sites is the comparative risk assessment. Originating from but not limited to Italian interest in a decentralised (regional) implementation of comparative risk assessment, this paper first addresses the proposal of an original m...

journal_title：Environmental technology

authors： Marzocchini M,Tatàno F,Moretti MS,Antinori C,Orilisi S

更新日期：2019-11-01 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：: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：:Liquid-state bioconversion (LSB) technique has great potential for application in bioremediation of sewage sludge. The purpose of this study is to determine the optimum level of LSB process of sewage sludge treatment by mixed fungal (Aspergillus niger and Penicillium corylophilum) inoculation in a pilot-scale bioreact...

journal_title：Environmental technology

authors： Rahman RA,Molla AH,Barghash HF,Fakhru'l-Razi A

更新日期：2016-01-01 00:00:00

abstract：:A novel bioreactor packed with ceramic monolith colonized by a toluene-degrading culture was investigated in order to assess its suitability for waste gas treatment. Operational parameters that were considered included start-up of the bioreactor, toluene loading rate, changes in gas flow rate, liquid feed mode, and st...

journal_title：Environmental technology

authors： Jin Y,Veiga MC,Kennes C

更新日期：2006-11-01 00:00:00

abstract：:ABSTRACT Biohythane (hydrogen + methane) production in a two stage dark fermentation (DF) and anaerobic digestion (AD) process from food waste (FW) has been studied. This paper investigated the effect of operation temperature, i.e. mesophilic (34 °C) and thermophilic (55 °C) , on biohythane yield and total energy reco...

journal_title：Environmental technology

authors： Ghimire A,Luongo V,Frunzo L,Lens PNL,Pirozzi F,Esposito G

更新日期：2021-01-06 00:00:00

abstract：:A coupled electrochemical process and biological treatment was used to remove a biorecalcitrant antibiotic: sulfamethazine (SMT). The pretreatment was performed in a home-made flow cell involving graphite felt as a working electrode at potentials of 1 and 1.6 V/saturated calomel electrode (SCE); it was followed by a b...

journal_title：Environmental technology

authors： Saidi I,Fourcade F,Floner D,Soutrel I,Bellakhal N,Amrane A,Geneste F

更新日期：2017-11-01 00:00:00

abstract：:The present work investigates the properties of self-made magnetic filler from plastic waste bottle and explores a new technology approach of waste plastic resource utilization. The magnetic filler was prepared by air plasma modification and loading magnetic ferrite on the plastic strip from waste plastic bottle. The ...

journal_title：Environmental technology

authors： Zhao RJ,Gong LY,Zhu HD,Liu Q,Xu LX,Lu L,Yang QZ

更新日期：2018-06-01 00:00:00

abstract：:Treatment of sewage sludge (SS) by biodegradable polyacrylamide-based flocculants (PAM) is considered to be an effective way to increase total solids' (TS) content prior to anaerobic digestion (AD). However, data on how PAM addition influences the efficiency of AD process are quite contradictory; moreover, no data are...

journal_title：Environmental technology

authors： Litti Y,Nikitina A,Kovalev D,Ermoshin A,Mahajan R,Goel G,Nozhevnikova A

更新日期：2019-04-01 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 development of a case-based reasoning system for the supervision of an activated sludge process is presented here. The methodology proposed permits the use of past experiences to solve new problems that arise in the process. These experiences are classified as cases or situations. The adaptation of cases and the g...

journal_title：Environmental technology

authors： Roda IR,Sànchez-Marrè M,Comas J,Cortes U,Poch M

更新日期：2001-04-01 00:00:00