Symbiosis of Sulfate-Reducing Bacteria and Total General Bacteria Affects Microbiologically Influenced Corrosion of Carbon Steel-Reference-Cited by-同舟云学术

Symbiosis of Sulfate-Reducing Bacteria and Total General Bacteria Affects Microbiologically Influenced Corrosion of Carbon Steel

Published:2024-06-24 Issue:7 Volume:14 Page:788
ISSN:2079-6412
Container-title:Coatings
language:en
Short-container-title:Coatings

Author:

Jin Juxing¹,Li Yingchao¹,Huang Huaiwei²,Xiang Yong²,Yan Wei³^ORCID

Affiliation:

1. Beijing Key Laboratory of Failure, Corrosion and Protection of Oil/Gas Facility Materials, College of New Energy and Materials, China University of Petroleum-Beijing, 18 Fuxue Road, Changping, Beijing 102249, China

2. College of Mechanical and Transportation Engineering, China University of Petroleum-Beijing, 18 Fuxue Road, Changping, Beijing 102249, China

3. Unconventional Petroleum Research Institute, China University of Petroleum-Beijing, 18 Fuxue Road, Changping, Beijing 102249, China

Abstract

The effects of the symbiosis of sulfate-reducing bacteria (SRB) and total general bacteria (TGB) on the microbiologically influenced corrosion (MIC) of carbon steel were investigated in this research. The SRB was the main corrosive bacterium, and TGB induced slightly general MIC. The symbiosis of SRB and TGB induced more severe MIC and pitting corrosion than SRB. The main corrosion products were FeS, Fe2O3, and FeOOH. The presence of TGB facilitates MIC and pitting corrosion by providing a locally anaerobic shelter for SRB. An MIC mechanism of the symbiosis of SRB and TGB was proposed.

Funder

National Natural Science Foundation of China

Beijing Natural Science Foundation

National Key R&D Program of China

Foundation of China University of Petroleum, Beijing

Publisher

MDPI AG

Link

https://www.mdpi.com/2079-6412/14/7/788/pdf

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