DOI: 10.1016/j.marpolbul.2014.05.027
Scopus记录号: 2-s2.0-84902778051
论文题名: Depletion and biodegradation of hydrocarbons in dispersions and emulsions of the Macondo 252 oil generated in an oil-on-seawater mesocosm flume basin
作者: Brakstad O.G. ; Daling P.S. ; Faksness L.-G. ; Almås I.K. ; Vang S.-H. ; Syslak L. ; Leirvik F.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2014
卷: 84, 期: 2018-01-02 起始页码: 125
结束页码: 134
语种: 英语
英文关键词: Biodegradation
; Depletion
; Emulsions
; Flume basin
; Hydrocarbons
; Oil dispersions
Scopus关键词: Boiling point
; Emulsions
; Hydrocarbons
; Microbiology
; Polycyclic aromatic hydrocarbons
; Seawater
; Bacterial diversity
; Cell concentrations
; Depletion
; Droplet sizes
; Flume basin
; Oil biodegradation
; Oil compounds
; Oil dispersions
; Biodegradation
; 1 methylphenanthrene
; 2 methylphenanthrene
; acenaphthylene
; alkane
; anthracene derivative
; benz[a]anthracene
; biphenyl
; chrysene derivative
; cycloalkane derivative
; dibenzofuran
; dibenzothiophene derivative
; fluoranthene derivative
; fluorene derivative
; hopanoid
; naphthalene derivative
; petroleum
; phenanthrene derivative
; phytane
; polycyclic aromatic hydrocarbon derivative
; pristane
; sea water
; terpane derivative
; unclassified drug
; biodegradation
; emulsion
; evaporation
; experimental design
; flume experiment
; mesocosm
; oil spill
; PAH
; seawater
; alkb gene
; alkylation
; article
; bacterial gene
; bacterium
; biodegradation
; biomass
; controlled study
; depletion
; dispersion
; dissolution
; emulsion
; evaporation
; gene identification
; half life time
; mesocosm
; microbial community
; nonhuman
; particle size
; photodegradation
; sea surface waters
; solubility
; temperature dependence
; water temperature
; Bacteria (microorganisms)
; Biodegradation
; Depletion
; Emulsions
; Flume basin
; Hydrocarbons
; Oil dispersions
; Alkanes
; Bacteria
; Biodegradation, Environmental
; Emulsions
; Hydrocarbons
; Petroleum
; Seawater
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science
; Earth and Planetary Sciences: Oceanography
; Environmental Science: Pollution
英文摘要: Physically and chemically (Corexit 9500) generated Macondo 252 oil dispersions, or emulsions (no Corexit), were prepared in an oil-on-seawater mesocosm flume basin at 30-32. °C, and studies of oil compound depletion performed for up to 15. days. The use of Corexit 9500 resulted in smaller median droplet size than in a physically generated dispersion. Rapid evaporation of low boiling point oil compounds (C≤. 15) appeared in all the experiments. Biodegradation appeared to be an important depletion process for compounds with higher boiling points in the dispersions, but was negligible in the surface emulsions. While n-alkane biodegradation was faster in chemically than in physically dispersed oil no such differences were determined for 3- and 4-ring PAH compounds. In the oil dispersions prepared by Corexit 9500, increased cell concentrations, reduction in bacterial diversity, and a temporary abundance of bacteria containing an alkB gene were associated with oil biodegradation. © 2014 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/85410
Appears in Collections: 过去全球变化的重建 全球变化的国际研究计划
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作者单位: SINTEF Materials and Chemistry, Environmental Technology, Dept. Applied Environmental Biology and Chemistry, N-7465 Trondheim, Norway; The Norwegian University of Science and Technology, Institute of Biotechnology, N-7491 Trondheim, Norway
Recommended Citation:
Brakstad O.G.,Daling P.S.,Faksness L.-G.,et al. Depletion and biodegradation of hydrocarbons in dispersions and emulsions of the Macondo 252 oil generated in an oil-on-seawater mesocosm flume basin[J]. Marine Pollution Bulletin,2014-01-01,84(2018-01-02)