Microbial Corrosion of API 5L X-70 Carbon Steel by ATCC 7757 and Consortium of Sulfate-Reducing Bacteria

Various cases of accidents involving microbiology influenced corrosion (MIC) were reported by the oil and gas industry. Sulfate reducing bacteria (SRB) have always been linked to MIC mechanisms as one of the major causes of localized corrosion problems. In this study, SRB colonies were isolated from...

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Main Authors:	Arman, Abdullah, Nordin, Yahaya, Norhalizan, Md Noor, Rosilawati, Mohd Rasol
Format:	Article
Language:	English
Published:	Hindawi Publishing Corporation 2014
Subjects:	TP Chemical technology
Online Access:	http://umpir.ump.edu.my/id/eprint/7488/ http://umpir.ump.edu.my/id/eprint/7488/ http://umpir.ump.edu.my/id/eprint/7488/ http://umpir.ump.edu.my/id/eprint/7488/1/Microbial_Corrosion_of_API_5L_X-70_Carbon_Steel_by_ATCC_7757_and_Consortium_of_Sulfate-Reducing_Bacteria.pdf

id	ump-7488
recordtype	eprints
spelling	ump-74882018-05-23T03:47:32Z http://umpir.ump.edu.my/id/eprint/7488/ Microbial Corrosion of API 5L X-70 Carbon Steel by ATCC 7757 and Consortium of Sulfate-Reducing Bacteria Arman, Abdullah Nordin, Yahaya Norhalizan, Md Noor Rosilawati, Mohd Rasol TP Chemical technology Various cases of accidents involving microbiology influenced corrosion (MIC) were reported by the oil and gas industry. Sulfate reducing bacteria (SRB) have always been linked to MIC mechanisms as one of the major causes of localized corrosion problems. In this study, SRB colonies were isolated from the soil in suspected areas near the natural gas transmission pipeline in Malaysia. The effects of ATCC 7757 and consortium of isolated SRB upon corrosion on API 5L X-70 carbon steel coupon were investigated using a weight loss method, an open circuit potential method (OCP), and a potentiodynamic polarization curves method in anaerobic conditions. Scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS) were then used to determine the corrosion morphology in verifying the SRB activity and corrosion products formation. Results from the study show that the corrosion rate (CR) of weight loss method for the isolated SRB is recorded as 0.2017 mm/yr compared to 0.2530 mm/yr for ATCC 7757. The Tafel plot recorded the corrosion rate of 0.3290 mm/yr for Sg. Ular SRB and 0.2500 mm/yr for Desulfovibrio vulgaris. The results showed that the consortia of isolated SRB were of comparable effects and features with the single ATCC 7757 strain. Hindawi Publishing Corporation 2014 Article PeerReviewed application/pdf en cc_by http://umpir.ump.edu.my/id/eprint/7488/1/Microbial_Corrosion_of_API_5L_X-70_Carbon_Steel_by_ATCC_7757_and_Consortium_of_Sulfate-Reducing_Bacteria.pdf Arman, Abdullah and Nordin, Yahaya and Norhalizan, Md Noor and Rosilawati, Mohd Rasol (2014) Microbial Corrosion of API 5L X-70 Carbon Steel by ATCC 7757 and Consortium of Sulfate-Reducing Bacteria. Journal of Chemistry, 2014. pp. 1-7. ISSN 2090-9063 (Print); 2090-9071 (Online) http://dx.doi.org/10.1155/2014/130345 DOI: 10.1155/2014/130345
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TP Chemical technology
spellingShingle	TP Chemical technology Arman, Abdullah Nordin, Yahaya Norhalizan, Md Noor Rosilawati, Mohd Rasol Microbial Corrosion of API 5L X-70 Carbon Steel by ATCC 7757 and Consortium of Sulfate-Reducing Bacteria
description	Various cases of accidents involving microbiology influenced corrosion (MIC) were reported by the oil and gas industry. Sulfate reducing bacteria (SRB) have always been linked to MIC mechanisms as one of the major causes of localized corrosion problems. In this study, SRB colonies were isolated from the soil in suspected areas near the natural gas transmission pipeline in Malaysia. The effects of ATCC 7757 and consortium of isolated SRB upon corrosion on API 5L X-70 carbon steel coupon were investigated using a weight loss method, an open circuit potential method (OCP), and a potentiodynamic polarization curves method in anaerobic conditions. Scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS) were then used to determine the corrosion morphology in verifying the SRB activity and corrosion products formation. Results from the study show that the corrosion rate (CR) of weight loss method for the isolated SRB is recorded as 0.2017 mm/yr compared to 0.2530 mm/yr for ATCC 7757. The Tafel plot recorded the corrosion rate of 0.3290 mm/yr for Sg. Ular SRB and 0.2500 mm/yr for Desulfovibrio vulgaris. The results showed that the consortia of isolated SRB were of comparable effects and features with the single ATCC 7757 strain.
format	Article
author	Arman, Abdullah Nordin, Yahaya Norhalizan, Md Noor Rosilawati, Mohd Rasol
author_facet	Arman, Abdullah Nordin, Yahaya Norhalizan, Md Noor Rosilawati, Mohd Rasol
author_sort	Arman, Abdullah
title	Microbial Corrosion of API 5L X-70 Carbon Steel by ATCC 7757 and Consortium of Sulfate-Reducing Bacteria
title_short	Microbial Corrosion of API 5L X-70 Carbon Steel by ATCC 7757 and Consortium of Sulfate-Reducing Bacteria
title_full	Microbial Corrosion of API 5L X-70 Carbon Steel by ATCC 7757 and Consortium of Sulfate-Reducing Bacteria
title_fullStr	Microbial Corrosion of API 5L X-70 Carbon Steel by ATCC 7757 and Consortium of Sulfate-Reducing Bacteria
title_full_unstemmed	Microbial Corrosion of API 5L X-70 Carbon Steel by ATCC 7757 and Consortium of Sulfate-Reducing Bacteria
title_sort	microbial corrosion of api 5l x-70 carbon steel by atcc 7757 and consortium of sulfate-reducing bacteria
publisher	Hindawi Publishing Corporation
publishDate	2014
url	http://umpir.ump.edu.my/id/eprint/7488/ http://umpir.ump.edu.my/id/eprint/7488/ http://umpir.ump.edu.my/id/eprint/7488/ http://umpir.ump.edu.my/id/eprint/7488/1/Microbial_Corrosion_of_API_5L_X-70_Carbon_Steel_by_ATCC_7757_and_Consortium_of_Sulfate-Reducing_Bacteria.pdf
first_indexed	2023-09-18T22:04:08Z
last_indexed	2023-09-18T22:04:08Z
_version_	1777414594370732032

Microbial Corrosion of API 5L X-70 Carbon Steel by ATCC 7757 and Consortium of Sulfate-Reducing Bacteria

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