Bioremediation of Crude Oil Contaminated Soil

被引:13
|
作者
Yan, G. [1 ]
Cai, B. [1 ]
Chen, C. [1 ]
Yue, Y. [2 ]
Wang, Q. [1 ]
Deng, H. [2 ]
Liu, S. [2 ]
Guo, S. [1 ]
机构
[1] China Univ Petr, Beijing Key Lab Oil & Gas Pollut Control, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
[2] CNPC, Res Inst Safety & Environm Technol, Beijing, Peoples R China
基金
中国国家自然科学基金;
关键词
biodegradation; strain; contaminated soil; crude oil; bioremediation; HYDROCARBONS; BIOAUGMENTATION; BIODEGRADATION; BIOSTIMULATION;
D O I
10.1080/10916466.2014.954670
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
A laboratory study was undertaken to bioremediation crude oil contaminated soil by isolated strains. Pseudomonas strain A as the most superior indigenous biodegrader was selected. At the optimal growth condition of pH 7 and with 5 g/L NaCl, cosubstrate alpha-lactose, and inorganic salt FeSO4, 82.3% of crude oil degradation efficiency was obtained. Furthermore, characteristics of chemical composition during the biotreatment indicated that saturation hydrocarbons and some aromatics were effectively removed by strain A. N-alkane in crude oil was preferentially degraded, especially those in the range of nC(16)-nC(24). Biodegradation of aromatics depended on benzene ring numbers and complexity of structures.
引用
收藏
页码:717 / 723
页数:7
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