Accelerated anaerobic corrosion of electroactive sulfate-reducing bacteria by electrochemical impedance spectroscopy and chronoamperometry

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	Accelerated anaerobic corrosion of electroactive sulfate-reducing bacteria by electrochemical impedance spectroscopy and chronoamperometry
	Yu, Lin 1,2; Duan, Jizhou 1; Du, Xiangqian 1; Huang, Yanliang 1; Hou, Baorong 1
刊名	ELECTROCHEMISTRY COMMUNICATIONS
	2013
卷号	26 页码:101-104
关键词	Biocorrosion Sulfate-reducing bacteria Direct electron transfer Carbon steel
ISSN号	1388-2481
通讯作者	Duan, JZ
中文摘要	Many microbial species can use cathodes as electron donors for metabolism. This direct electron transfer (DET) pathway has rarely been proposed in biocorrosion processes. DET from Q235 carbon steel to the sulfate-reducing bacteria (SRB) Desulfovibrio caledoniensis and its effect on the corrosion behavior of carbon steel were investigated in the present study. Electroactive SRB biofilm was found to play a key role in the ennoblement of the corrosion potential (E-corr) and in the acceleration of the corrosion rate, indicating that SRB mainly affected the cathodic reaction of low carbon steel corrosion. In addition, SRB biofilm obtained electrons from carbon steel electrode polarized at -0.74 V. These findings present new evidence for DET between SRB biofilm and carbon steels. (C) 2012 Elsevier B.V. All rights reserved.
英文摘要	Many microbial species can use cathodes as electron donors for metabolism. This direct electron transfer (DET) pathway has rarely been proposed in biocorrosion processes. DET from Q235 carbon steel to the sulfate-reducing bacteria (SRB) Desulfovibrio caledoniensis and its effect on the corrosion behavior of carbon steel were investigated in the present study. Electroactive SRB biofilm was found to play a key role in the ennoblement of the corrosion potential (E-corr) and in the acceleration of the corrosion rate, indicating that SRB mainly affected the cathodic reaction of low carbon steel corrosion. In addition, SRB biofilm obtained electrons from carbon steel electrode polarized at -0.74 V. These findings present new evidence for DET between SRB biofilm and carbon steels. (C) 2012 Elsevier B.V. All rights reserved.
学科主题	Electrochemistry
WOS标题词	Science & Technology ; Physical Sciences
类目[WOS]	Electrochemistry
研究领域[WOS]	Electrochemistry
关键词[WOS]	MICROBIOLOGICALLY INFLUENCED CORROSION ; MILD-STEEL ; BIOFILM
收录类别	SCI
原文出处	10.1016/j.elecom.2012.10.022
语种	英语
WOS记录号	WOS:000314430900027
公开日期	2014-07-17
内容类型	期刊论文
源URL	[http://ir.qdio.ac.cn/handle/337002/16356]
专题	海洋研究所_海洋腐蚀与防护研究发展中心
作者单位	1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China 2.SunRui Marine Environm Engn Co Ltd, Qingdao 266101, Peoples R China
推荐引用方式 GB/T 7714	Yu, Lin,Duan, Jizhou,Du, Xiangqian,et al. Accelerated anaerobic corrosion of electroactive sulfate-reducing bacteria by electrochemical impedance spectroscopy and chronoamperometry[J]. ELECTROCHEMISTRY COMMUNICATIONS,2013,26:101-104.
APA	Yu, Lin,Duan, Jizhou,Du, Xiangqian,Huang, Yanliang,&Hou, Baorong.(2013).Accelerated anaerobic corrosion of electroactive sulfate-reducing bacteria by electrochemical impedance spectroscopy and chronoamperometry.ELECTROCHEMISTRY COMMUNICATIONS,26,101-104.
MLA	Yu, Lin,et al."Accelerated anaerobic corrosion of electroactive sulfate-reducing bacteria by electrochemical impedance spectroscopy and chronoamperometry".ELECTROCHEMISTRY COMMUNICATIONS 26(2013):101-104.