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IJCT Vol.12(5) [September 2005] >


Title: Role of corrosion inhibitor on bacterial corrosion in petroleum product pipelines
Authors: Maruthamuthu, S
Mohanan, S
Rajasekar, A
Muthukumar, N
Ponmarippan, S
Subramanian, P
Palaniswamy, N
Keywords: Sulphate reducing bacteria
microbial corrosion
degradation
FTIR
NMR
XRD
Issue Date: Sep-2005
Publisher: CSIR
IPC CodeC12S1/100; C23F11/00
Abstract:  Petroleum product pipelines in India are found to contain a large number of various types of microorganisms either aerobic or anaerobic and these microorganisms either directly or indirectly enhance corrosion. Field studies have been carried out by CECRI to investigate the corrosion problem in a cross-country pipeline transporting petroleum product (diesel) for about 1400 km. Heterotrophic bacteria, iron bacteria, manganese oxidizers, acid producers were enumerated and identified in the pipeline whereas SRB could not be noticed in the pipeline. The reason for the absence of SRB is explained in the present study. Moreover, the interaction between heterotrophic and chemolithotrophic bacteria is explained with FTIR and NMR analysis. Influence of inhibitor on microbial corrosion has been investigated and the importance of selection of inhibitor has also been explained.
Page(s): 567-575
ISSN: 0975-0991 (Online); 0971-457X (Print)
Source:IJCT Vol.12(5) [September 2005]

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