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     当前位置: 发布论文 --  院重点实验室赵峰博士在《Bioresource Technology》发表文章
院重点实验室赵峰博士在《Bioresource Technology》发表文章
发布时间:2016/11/25

 

 

院重点实验室赵峰博士在Bioresource Technology正式发表Simultaneous inhibition of sulfate-reducing bacteria, removal of H2S and production of rhamnolipid by recombinant Pseudomonas stutzeri Rhl: Applications for microbial enhanced oil recovery 一文。本研究受国家863项目“中低温油藏微生物定向激活与模拟技术研究”(No.2013AA064402)和国家自然科学基金(31570121)等项目资助。

文章索引/Citation

Feng Zhao, Jidong Zhou, Fang Ma, Rongjiu Shi, Siqin Han, Jie Zhang, Ying Zhang* (2016). Simultaneous inhibition of sulfate-reducing bacteria, removal of H2S and production of rhamnolipid by recombinant Pseudomonas stutzeri Rhl: Applications for microbial enhanced oil recovery. Bioresource Technology, 207: 24-30. (SCIⅠ区, IF=4.917) 

文章摘要/Abstract

Sulfate-reducing bacteria (SRB) are widely existed in oil production system, and its H2S product inhibits rhamnolipid producing bacteria. In-situ production of rhamnolipid is promising for microbial enhanced oil recovery. Inhibition of SRB, removal of H2S and production of rhamnolipid by recombinant Pseudomonas stutzeri Rhl were investigated. Strain Rhl can simultaneously remove S2 (>92%) and produce rhamnolipid (>136 mg/l) under S2 stress below 33.3 mg/l. Rhl reduced the SRB numbers from 109 to 105 cells/ml, and the production of H2S was delayed and decreased to below 2 mg/l. Rhl also produced rhamnolipid and removed S2 under laboratory simulated oil reservoir conditions. Highthroughput sequencing data demonstrated that addition of strain Rhl significantly changed the original microbial communities of oilfield production water and decreased the species and abundance of SRB. Bioaugmentation of strain Rhl in oilfield is promising for simultaneous control of SRB, removal of S2 and enhance oil recovery.


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