UM
Coupling of biostimulation and bioaugmentation for enhanced bioremoval of chloroethylenes and BTEX from clayey soil
Li,Junhui1; Lu,Qihong2,3; Odey,Emmanuel Alepu2; Lok,Keng Seng2; Pan,Bingcai4; Zhang,Yanyang4; Shim,Hojae2
2021
Source PublicationEcotoxicology
ISSN0963-9292
AbstractThe bioremoval potential of Pseudomonas plecoglossicida toward mixed contaminants was explored through the coupled biostimulation and bioaugmentation in soil microcosm. Response surface methodology was employed to optimize nutrients and innoculum size for the cometabolic removal of two representative chloroethylenes, trichloroethylene (TCE) and cis-1,2-dichloroethylene (cis-DCE), mixed with benzene, toluene, ethylbenzene, and xylenes (BTEX). The interactive effects of nutrients [nitrogen (N) and phosphorus (P)] and inoculum size toward the bioremoval of mixture of BTEX (600 mg kg), cis-DCE (10 mg kg), and TCE (10 mg kg) were estimated using principal component analysis and two-dimensional hierarchical cluster analysis. The optimal condition was confirmed with C:N:P ratio of 100:26.7:1.8–4.8 and higher inoculum size (≥25%), where 97.7% of benzene, 98.3% of toluene, 91.2% of ethylbenzene, 45.6% of m,p-xylene, 31.2% of o-xylene, 26.9% of cis-DCE, and 33.5% of TCE were bioremoved.
Keyword2-D HCA Bioaugmentation Biostimulation Optimization PCA
DOI10.1007/s10646-020-02323-z
URLView the original
Language英语
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Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorShim,Hojae
Affiliation1.Center for Ecosystem Science and Society,Northern Arizona University,Flagstaff,86011,United States
2.Faculty of Science and Technology,Department of Civil and Environmental Engineering,University of Macau,Macau,999078,China
3.School of Environmental Science and Engineering,Sun Yat-Sen University,Guangzhou,510006,China
4.Department of Environmental Engineering,Nanjing University,Nanjing,210023,China
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Li,Junhui,Lu,Qihong,Odey,Emmanuel Alepu,et al. Coupling of biostimulation and bioaugmentation for enhanced bioremoval of chloroethylenes and BTEX from clayey soil[J]. Ecotoxicology,2021.
APA Li,Junhui,Lu,Qihong,Odey,Emmanuel Alepu,Lok,Keng Seng,Pan,Bingcai,Zhang,Yanyang,&Shim,Hojae.(2021).Coupling of biostimulation and bioaugmentation for enhanced bioremoval of chloroethylenes and BTEX from clayey soil.Ecotoxicology.
MLA Li,Junhui,et al."Coupling of biostimulation and bioaugmentation for enhanced bioremoval of chloroethylenes and BTEX from clayey soil".Ecotoxicology (2021).
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