腐蚀
硫酸盐还原菌
溶解
细菌
链霉菌
电化学
硫酸盐
化学
生物膜
冶金
核化学
微生物学
材料科学
生物
有机化学
电极
遗传学
物理化学
作者
Jian Wang,Min Du,Xueyan Shan,Ting Xu,Peiyu Shi
标识
DOI:10.1016/j.corsci.2023.111441
摘要
A marine Streptomyces sp., which has an inhibitory effect on sulfate-reducing bacteria (SRB), was selected to study inhibitory effect and mechanism of X65 steel on SRB corrosion in oilfield produced water. Streptomyces and SRB had a competitive growth relationship. The Streptomyces metabolites affected the number and activity of SRB and had good corrosion inhibiting properties. The formation and development of SRB biofilm was inhibited. Mixed bacteria inhibited anodic dissolution of X65 steel and slowed down the electrochemical reaction rate. The film layer on the sample was denser, and the average and localized corrosion rates caused by SRB were significantly suppressed.
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