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中国腐蚀与防护学报  2000, Vol. 20 Issue (4): 224-229     
  研究报告 本期目录 | 过刊浏览 |
环境因素对硫酸盐还原菌生长的影响
张小里;陈志昕;刘海洪
西北大学化学工程系
EFFECT OF ENVIRONMENT FACTORS ON THE GROWTH OF SULFATE-REDUCING BACTERIA
Xiaoli Zhang;Zhixin Chen;Haihong Liu
西北大学化学工程系
全文: PDF(165 KB)  
摘要: 研究了油田注水井中分离的硫酸盐还原菌(SRB)的生长特性。结果表明:SRB菌株不是严格的厌氧菌,它能耐受4.5mg /L浓度的溶解氧,但在9.0mg/L的高溶解浓度下不能生长.NaCl浓度小于0.818%时SRB可正常生长,在0.972%-2.28%时只能在水下沉积物中生长,大于2.45%时生长完全受到抑制.铁离子浓度增大,SRB代谢活力增强,生长高峰期延长,Fe2+限制SRB生长的浓度下限为小于6.8mg/L,高Fe2+浓度对SRB生长无抑制作用.厌氧环境下SRB生长的适宜pH为6.5-7.5,pH小于5.5或大于8.0时SRB不能生长;有氧环境下SRB在pH8-8.5时仍能生存乃至增殖.
关键词 硫酸盐还原菌(SRB)细胞培养细菌腐蚀油田    
Abstract:D.desulfuricans Separated from oil flooding water were studied.The results showed that the SRB strain can resist the dissolved oxygen concentration of 4.5mg/L,but could not grow at the dissolved oxygen concentration of 9.0mg/L.It was not obligate anaerobes but annex anaerobes.It could grow both in liquid and deposit at the NaCl concentration below 0.818%, and could grow only deposit in the NaCl concentation range of 0.972%to 2.28%,but could not grow when NaCl concentration was over 2.45%.Increasing Fe2+ concentration was better for the SRB growing ,and SRB could not grow when Fe2+ concentration was below 6.8mg/L.High Fe2+ concentration has no repressing effect on SRB.In anoxic condition the appropriate pH range for growing was between 6.5-7.5,and SRB could not frow when pH<5.5orpH>8.0.In oxygenic condition the SRB could also grow between pH 8.0-8.5.
Key wordssulfate-reducing bacteria(SRB)    culture of SRB    microbial corrosion    oil well flooding water
收稿日期: 1999-08-09     
ZTFLH:  TE988.2  
通讯作者: 张小里   
Corresponding author: Xiaoli Zhang   

引用本文:

张小里; 陈志昕; 刘海洪 . 环境因素对硫酸盐还原菌生长的影响[J]. 中国腐蚀与防护学报, 2000, 20(4): 224-229 .
Xiaoli Zhang, Zhixin Chen, Haihong Liu. EFFECT OF ENVIRONMENT FACTORS ON THE GROWTH OF SULFATE-REDUCING BACTERIA. J Chin Soc Corr Pro, 2000, 20(4): 224-229 .

链接本文:

https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y2000/V20/I4/224

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