Influence of Pseudomonas aeruginosa and Sulfate-reducing bacteria composite on the corrosion behavior of brass

被引：9

作者：

Zhao, Xiaodong ^{[1
,2
]}

Yan, Chaoming ^{[2
]}

Shao, Jing ^{[2
]}

Yang, Jie ^{[1
]}

Liu, Jie ^{[1
]}

Sun, Dongyu ^{[1
]}

Wang, Shuai ^{[1
]}

机构：

[1] Yantai Univ, Sch Ocean, Yantai 264005, Peoples R China

[2] Zhejiang Ocean Univ, Sch Naval Architecture & Mech Elect Engn, Zhoushan 316022, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2019年 / 14卷 / 07期

关键词：

Microbiologically influenced corrosion (MIC); Sulfate-reducing bacteria; Pseudomonas aeruginosa; Electrochemical impedance spectroscopy (EIS); MICROBIOLOGICALLY INFLUENCED CORROSION; MICROBIAL CORROSION; STAINLESS-STEELS; MILD-STEEL; COPPER; SULFIDE; INHIBITION; ALLOYS; OIL;

D O I：

10.20964/2019.07.19

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

In this paper, electrochemical methods such as open circuit potential(OCP) and electrochemical impedance spectroscopy(EIS) were used to assess the corrosion behavior of brass in sterile water and media containing Pseudomonas Aeruginosa, sulfate-reducing bacteria and their bacteria composite, respectively. The results showed that corrosion occurred to some extent in all the media. The corrosion rate of brass in the Pseudomonas Aeruginosa system is lower than that in the sulfate-reducing bacteria system. Especially in single Pseudomonas Aeruginosa system, the open circuit potential and total impedance value were comparatively higher than those in the other systems. In addition, the acceleration of corrosion in the composite system began from the 3rd day, later than that in the single sulfate-reducing bacteria system, indicating that the presence of Pseudomonas Aeruginosa might inhibit the activity of sulfate-reducing bacteria.

引用

页码：6468 / 6477

页数：10

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