NIMTE OpenIR  > 2018专题
Corrosion effect of Bacillus cereus on X80 pipeline steel in a Beijing soil environment
Wan, Hongxia; Song, Dongdong; Zhang, Dawei; Du, Cuiwei; Xu, Dake; Liu, Zhiyong; Ding, De; Li, Xiaogang
2018
Source PublicationBIOELECTROCHEMISTRY
Volume121Pages:18-26
AbstractThe corrosion of X80 pipeline steel in the presence of Bacillus cereus (B. cereus) was studied through electrochemical and surface analyses and live/dead staining. Scanning electron microscopy and live/dead straining results showed that a number of B. cereus adhered to the X80 steel. Electrochemical impedance spectroscopy showed that B. cereus could accelerate the corrosion of X80 steel. In addition, surface morphology observations indicated that B. cereus could accelerate pitting corrosion in X80 steel. The depth of the largest pits due to B. cereus was approximately 11.23 mu m. Many pits were found on the U-shaped bents and cracks formed under stress after 60 days of immersion in the presence of B. cereus. These indicate that pitting corrosion can be accelerated by B. cereus. X-ray photoelectron spectroscopy results revealed that NH4+ existed on the surface of X80 steel. B. cereus is a type of nitrate-reducing bacteria and hence the corrosion mechanism of B. cereus may involve nitrate reduction on the X80 steel. (C) 2018 Elsevier B.V. All rights reserved.
KeywordSulfate-reducing Bacteria Iron-oxidizing Bacteria Carbon-steel Oil-field Nitrate Biofilm Behavior Alloy Water Licheniformis
Subject AreaPolymer Science
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/17476
Collection2018专题
Recommended Citation
GB/T 7714
Wan, Hongxia,Song, Dongdong,Zhang, Dawei,et al. Corrosion effect of Bacillus cereus on X80 pipeline steel in a Beijing soil environment[J]. BIOELECTROCHEMISTRY,2018,121:18-26.
APA Wan, Hongxia.,Song, Dongdong.,Zhang, Dawei.,Du, Cuiwei.,Xu, Dake.,...&Li, Xiaogang.(2018).Corrosion effect of Bacillus cereus on X80 pipeline steel in a Beijing soil environment.BIOELECTROCHEMISTRY,121,18-26.
MLA Wan, Hongxia,et al."Corrosion effect of Bacillus cereus on X80 pipeline steel in a Beijing soil environment".BIOELECTROCHEMISTRY 121(2018):18-26.
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