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当前位置: 首页 > 文章 > 石油烃降解复合菌对含油污泥的降解特性 干旱区研究 2007,24 (6) 118-121
Position: Home > Articles > Study on Biodegradation of Oily Sludge Treated with Complex Bacteria Arid Zone Research 2007,24 (6) 118-121

石油烃降解复合菌对含油污泥的降解特性

作  者：
陈荣灿;卞卫国;王林霞
单  位：
中国科学院新疆生态与地理研究所;中国石油新疆油田分公司
关键词：
含油污泥;复合菌;生物降解;呼吸强度;克拉玛依;新疆
摘  要：
采用由新疆克拉玛依油田准东采油厂作业污水池污泥中分离筛选出的5种高效降解石油菌构成复合菌,对其池底含油污泥进行了降解性研究。结果表明,复合菌体经过10 d的适应期后,即可达到显著降解污泥中油的效果,20 d内对含油在5%~26.7%的污泥,其降解率达20.5%~48.5%,且20 d后仍保持高效降解性。复合菌呼吸强度达到平稳变化期可表征微生物渡过适应期和达到持续高效降解阶段,较采用微生物数量指示生物强度更为直观、快捷。
译  名：
Study on Biodegradation of Oily Sludge Treated with Complex Bacteria
作  者：
CHEN Rong-can1,2,BIAN Wei-guo3,WANG Lin-xia3(1.Xinjiang Oil Field Company,Chinese National Petroleum and Natural Gas Corporation,Karamay 834000,Xinjiang,China;2.Southwest Petroleum University,Chengdu 610500,China;3.Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences,Urumqi 830011,China)
关键词：
oily sludge;biodegradation;complex bacteria;respiration intensity.
摘  要：
In this study,five bacterium strains were isolated from oily sludge produced by oil extraction in Zhundong Oil Field in Xinjiang to compose the complex bacteria,and the complex bacteria are used in the biodegradation of the oily sludge with different oil contents.Three doses of the complex bacteria were added into the oily sludge with oil content varying in a range of 5%~26.7%,and the bacteria were inoculated at temperature of 30 ℃.The results show that a significant biodegradation effect of the oily sludge can be achieved with the complex bacteria after they experience a 10-day adaptive period,the biodegradation rate of the oily sludge with oil content varying in a range of 5%~26.7% can be increased from 20.5% to 48.5% within a 20-day inoculation period,and the high degradation rate of the complex bacteria can be still maintained after 20 days.The results reveal that the respiration intensity of the complex bacteria during the stable-change period can be used to characterize the adaptive period and the effective biodegradation rate of the bacteria during inoculation,which is more intuitionistic and rapider than that using microbial mass to indicate the biological intensity.The biodegradation of the complex bacteria is more applicable in treating the oily sludge with oil content lower than 10%.The biodegradation rate can be doubled and doubled by adding the complex bacteria if an enough adaptive period is provided.

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