Biodegradation of corrosion inhibitors and their influence on petroleum product pipeline

被引：32
|
作者：
Rajasekar, Aruliah [1 ]
Maruthamuthu, Sundaram [1 ]
Palaniswamy, Narayanan [1 ]
Rajendran, Annamalai [1 ]
机构：
[1] Cent Electrochem Res Inst, Corros Protect Div, Karaikkudi 630006, Tamil Nadu, India
来源：
MICROBIOLOGICAL RESEARCH | 2007年 / 162卷 / 04期
关键词：
diesel pipeline; corrosion inhibitors; rotating cage methods; biodegradation; microbiologically influenced corrosion;
D O I：
10.1016/j.micres.2006.02.002
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
The present study enlightens the role of Bacillus cereus ACE4 on biodegradation of commercial corrosion inhibitors (CCl) and the corrosion process on APl 5LX steel. Bacillus cereus ACE4, a dominant facultative aerobic species was identified by 16S rDNA sequence analysis, which was isolated from the corrosion products of refined diesel-transporting pipeline in North West India. The effect of CCl on the growth of bacterium and its corrosion inhibition efficiency were investigated. Corrosion inhibition efficiency was studied by rotating cage test and the nature of biodegradation of corrosion inhibitors was also analyzed. This isolate has the capacity to degrade the aromatic and aliphatic hydrocarbon present in the corrosion inhibitors. The degraded products of corrosion inhibitors and bacterial. activity determine the electrochemical behavior of APl 5LX steel. (C) 2006 Elsevier GmbH. All rights reserved.
引用
收藏
页码：355 / 368
页数：14
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