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Corrosion Behavior of Q235 Carbon Steel in Presence of H2S Producing Bacillus sp and a Consortium of Microbes Isolated from Inner Rust Layer
Zhang, Meixia1,2; Liu, Haixia1,2; Karn, Santosh Kr1; Duan, Jizhou1; Guan, Fang1,2; Zhai, Xiaofan1; Zhao, Shengjun1,3; Li, Ke1,2; Hou, Baorong1
2017-03-01
Source PublicationINTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
Volume12Issue:3Pages:2315-2328
SubtypeArticle
AbstractIn this work, a pure Bacillus sp. and a consortium of microbes were isolated from inner rust layer of carbon steel from marine environment. Corrosion behavior of Q235 carbon steel was investigated in the presence and in the absence of Bacillus sp. and with consortium of microbes separately. Weight loss, electrochemical impedance spectroscopy (EIS), scanning electron microscopy (SEM) and energy dispersive spectrum (EDS) tests were conducted to observe the influence on corrosion behavior of carbon steel in the presence and in the absence of bacteria. The results showed that corrosion potential (E-corr) decreased and the corrosion current density increased in the presence of bacteria, in contrast with the sterile medium with the same exposure time interval. The weight loss was observed and micrometer-scale pitting further confirmed by SEM on the carbon steel surface in the presence of bacteria especially with the Bacillus sp. Most importantly in the present work Bacillus sp. behaved like sulfate reducing bacteria (SRB). Further, it was confirmed that in natural environment Bacillus sp. could also act like sulfate-reducing bacteria and deteriorating carbon steel, especially in the form of localized pitting/corrosion.
KeywordCarbon Steel Srb Corrosion Rust Layer
DOI10.20964/2017.03.55
Indexed BySCI
Language英语
WOS IDWOS:000397256700053
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/136729
Collection海洋腐蚀与防护研究发展中心
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, 19 Jia Yuquan Rd, Beijing 100049, Peoples R China
3.Harbin Inst Technol Weihai, Marine Sch Sci & Technol, 2-W Wenhua Rd, Weihai City 264209, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Meixia,Liu, Haixia,Karn, Santosh Kr,et al. Corrosion Behavior of Q235 Carbon Steel in Presence of H2S Producing Bacillus sp and a Consortium of Microbes Isolated from Inner Rust Layer[J]. INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,2017,12(3):2315-2328.
APA Zhang, Meixia.,Liu, Haixia.,Karn, Santosh Kr.,Duan, Jizhou.,Guan, Fang.,...&Hou, Baorong.(2017).Corrosion Behavior of Q235 Carbon Steel in Presence of H2S Producing Bacillus sp and a Consortium of Microbes Isolated from Inner Rust Layer.INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,12(3),2315-2328.
MLA Zhang, Meixia,et al."Corrosion Behavior of Q235 Carbon Steel in Presence of H2S Producing Bacillus sp and a Consortium of Microbes Isolated from Inner Rust Layer".INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE 12.3(2017):2315-2328.
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