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Removal ofmixture of cis-1,2-dichloroethylene/trichloroethylene/benzene, toluene, ethylbenzene, and xylenes from contaminated soil by Pseudomonas plecoglossicida
Li, Junhui1,2; de Toledo, Renata Alves2; Chung, Jinwook3; Shim, Hojae2
2014-12
Source PublicationJOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
ISSN0268-2575
Volume89Issue:12Pages:1934-1940
AbstractBACKGROUNDThis study focused on the simultaneous removal of BTEX (benzene, toluene, ethylbenzene, and xylenes) and CAHs (chlorinated aliphatic hydrocarbons, represented by cis-DCE (cis-1,2-dichloroethylene) and TCE (trichloroethylene) mixture from soil, using an indigenous BTEX-adapted bacterium identified as Pseudomonas plecoglossicida. CAHs can be aerobically cometabolized by microbial oxygenases induced during the bacterial growth on such primary substrates as toluene and ortho-xylene. RESULTSThe bioremoval extent of BTEX/CAHs mixture varied, depending on the experimental conditions. As the ratio of BTEX to CAHs concentration was changed from 4 to 20, the bioremoval of both BTEX and CAHs decreased. The increase of initial BTEX concentration, from 200 to 1000 ppm, increased the microorganism lag phase and correspondingly prolonged the bioremoval process but decreased the bioremoval efficiency. The cometabolism of CAHs, when toluene and/or BTEX were provided as growth substrate, was significantly higher compared with other treatments without toluene. The BTEX/CAHs mixture removal between sterile and non-sterile soils revealed removal by the inoculant to be the major removal mechanism for the mixture.
KeywordAerobic Bioremoval Btex Cis-dce Mixture Interaction Pseudomonas Plecoglossicida Soil Tce
DOI10.1002/jctb.4279
Indexed BySCI
Language英语
WOS Research AreaBiotechnology & Applied Microbiology
WOS SubjectChemistry
WOS IDWOS:Engineering
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Cited Times [WOS]:9   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Corresponding AuthorShim, Hojae
Affiliation1.South China Agr Univ, Coll Nat Resources & Environm Sci, Guangzhou 510642, Guangdong, Peoples R China
2.Univ Macau, Fac Sci & Technol, Dept Civil & Environm Engn, Macao, Macau, Peoples R China
3.Samsung Engn Co Ltd, R&D Ctr, Yongin 449844, Gyeonggi Do, South Korea
First Author AffilicationUniversity of Macau
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Li, Junhui,de Toledo, Renata Alves,Chung, Jinwook,et al. Removal ofmixture of cis-1,2-dichloroethylene/trichloroethylene/benzene, toluene, ethylbenzene, and xylenes from contaminated soil by Pseudomonas plecoglossicida[J]. JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY,2014,89(12):1934-1940.
APA Li, Junhui,de Toledo, Renata Alves,Chung, Jinwook,&Shim, Hojae.(2014).Removal ofmixture of cis-1,2-dichloroethylene/trichloroethylene/benzene, toluene, ethylbenzene, and xylenes from contaminated soil by Pseudomonas plecoglossicida.JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY,89(12),1934-1940.
MLA Li, Junhui,et al."Removal ofmixture of cis-1,2-dichloroethylene/trichloroethylene/benzene, toluene, ethylbenzene, and xylenes from contaminated soil by Pseudomonas plecoglossicida".JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY 89.12(2014):1934-1940.
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