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Biodegradation of marine oil spill residues using aboriginal bacterial consortium based on Penglai 19-3 oil spill accident, China
Wang, CY1; Li, X2; Guo, J1; Lv, YC1; Li, YW1
2018-09-15
Source PublicationECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
ISSN0147-6513
Volume159Issue:.Pages:20-27
Contribution Rank1
Abstract

Bioremediation, mainly by indigenous bacteria, has been regarded as an effective way to deal with the petroleum pollution after an oil spill accident. The biodegradation of crude oil by microorganisms co-incubated from sediments collected from the Penglai 19-3 oil platform, Bohai Sea, China, was examined. The relative susceptibility of the isomers of alkylnaphthalenes, alkylphenanthrenes and alkyldibenzothiophene to biodegradation was also discussed. The results showed that the relative degradation values of total petroleum hydrocarbon (TPH) are 43.56% and 51.29% for sediments with untreated microcosms (S-BR1) and surfactant-treated microcosms (S-BR2), respectively. TPH biodegradation results showed an obvious decrease in saturates (biodegradation rate: 67.85-77.29%) and a slight decrease in aromatics (biodegradation rate: 47.13-57.21%), while no significant difference of resins and asphaltenes was detected. The biodegradation efficiency of alkylnaphthalenes, alkylphenanthrenes and alkyldibenzothiophene for S-BR1 and S-BR2 samples reaches 1.28-84.43% and 42.56-86.67%, respectively. The efficiency of crude oil degradation in sediment with surfactant-treated microcosms cultures added Tween 20, was higher than that in sediment with untreated microcosms. The biodegradation and selective depletion is not only controlled by thermodynamics but also related to the stereo chemical structure of individual isomer compounds. Information on the biodegradation of oil spill residues by the bacterial community revealed in this study will be useful in developing strategies for bioremediation of crude oil dispersed in the marine ecosystem.

KeywordBioremediation Indigenous Bacteria Selective Depletion Oil Spill Isomer
Department海岸带信息集成与综合管理实验室
Subject AreaEnvironmental Sciences & Ecology ; Toxicology
DOI10.1016/j.ecoenv.2018.04.059
Indexed BySCI
WOS KeywordPolycyclic Aromatic-hydrocarbons ; Deep-water Horizon ; Crude-oil ; Chemical-characterization ; Bohai Sea ; Maturity ; Identification ; Petroleum ; Bioremediation ; Photooxidation
SubtypeArticle
Language英语
WOS Research AreaEnvironmental Sciences ; Toxicology
WOS IDWOS:000436057700003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/24058
Collection海岸带信息集成与战略规划研究中心
Corresponding AuthorWang, CY; Guo, J
Affiliation1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia
2.Natl Marine Environm Monitoring Ctr
First Author AffilicationYantai Institute of Coastal Zone Research, Chinese Academy of Sciences
Corresponding Author AffilicationYantai Institute of Coastal Zone Research, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wang, CY,Li, X,Guo, J,et al. Biodegradation of marine oil spill residues using aboriginal bacterial consortium based on Penglai 19-3 oil spill accident, China[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2018,159(.):20-27.
APA Wang, CY,Li, X,Guo, J,Lv, YC,&Li, YW.(2018).Biodegradation of marine oil spill residues using aboriginal bacterial consortium based on Penglai 19-3 oil spill accident, China.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,159(.),20-27.
MLA Wang, CY,et al."Biodegradation of marine oil spill residues using aboriginal bacterial consortium based on Penglai 19-3 oil spill accident, China".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 159..(2018):20-27.
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