Investigation of the mechanism and characteristics of copper corrosion by sulfate reducing bacteria

被引：142

作者：

Dou, Wenwen ^{[1
,2
,3
]}

Jia, Ru ^{[2
]}

Jin, Peng ^{[2
]}

Liu, Jialin ^{[2
]}

Chen, Shougang ^{[1
]}

Gu, Tingyue ^{[2
]}

机构：

[1] Ocean Univ China, Dept Mat Sci & Engn, Qingdao 266100, Peoples R China

[2] Ohio Univ, Dept Chem & Biomol Engn, Inst Corros & Multiphase Technol, Athens, OH 45701 USA

[3] Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China

来源：

CORROSION SCIENCE | 2018年 / 144卷

基金：

中国国家自然科学基金;

关键词：

Copper; SRB; Sulfide; SEM; Starvation; Corrosion; MICROBIOLOGICALLY INFLUENCED CORROSION; DESULFOVIBRIO-VULGARIS BIOFILM; HIGH-TEMPERATURE; HYDROGEN-SULFIDE; CARBON-STEEL; MILD-STEEL; MITIGATION; GROWTH; THERMODYNAMICS; TRANSPORT;

D O I：

10.1016/j.corsci.2018.08.055

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Cu corrosion by Desulfovibrio vulgaris, an example of sulfate reducing bacteria (SRB), was investigated. D. vulgaris was first pre-grown in full-strength ATCC 1249 medium with coupons for three days. Then, the medium was switched to fresh media with decreased levels of carbon source. Unlike microbiologically influenced corrosion (MIC) of carbon steel by D. vulgaris, carbon starvation reduced Cu corrosion during the additional seven days of incubation. Experimental data and a thermodynamic analysis indicated that Cu MIC by SRB was caused by secreted sulfide rather than by electron harvesting for energy production, unlikely in the carbon steel MIC by SRB.

引用

页码：237 / 248

页数：12

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