|Table of Contents|

Petroleum Pollutions Degraded by Microorganisms(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2007年第02期
Page:
214-216
Research Field:
环境地学
Publishing date:

Info

Title:
Petroleum Pollutions Degraded by Microorganisms
Author(s):
LI Chun-rong1 WANG Wen-ke1 CAO Yu-qing2WANG Li-juan1
1. School of Environmental Sciences and Engineering, Changan University, Xian 710054, Shaanxi, China; 2. School of Resource and Environment Engineering, Jilin University, Changchun 130026, Jilin, China
Keywords:
petroleum pollutants Oil-degraded microorganism screening bioremediation
PACS:
X172
DOI:
-
Abstract:
The four predominant bacteria that can degrade petroleum efficiently are obtained from the sludge in the sewage of Yanan Oil Refinery by enriching,adapting, puri-fying and screening. Their degradation rate is studied with shaking cultivation. The results indicate that petroleum hydrocarbons reduction of 4 strains and mixed strains were 90.8%, 88.9%, 57.8%, 49.8%, 91.2% respectively with initial concentration of 10000 mg/ L after 20 days. The half-life of the petroleum hydrocarbons are 5.5 d, 6 d, 15 d, 19 d, 5 d in cultivation medium. Four petroleum-degraded strains are identified as Arthrobacte sp., Bacillus sp., Acinetobacter sp., Acinetobacter sp.

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Last Update: 1900-01-01