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Journal of Biological Sciences
  Year: 2014 | Volume: 14 | Issue: 5 | Page No.: 349-354
DOI: 10.3923/jbs.2014.349.354
 
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Disinfection of Sulfate Reducing Bacteria using Ultraviolet Treatment in Mitigating Microbiologically Influenced Corrosion

Akrima Abu Bakar, Norhazilan Noor, Nordin Yahaya, Rosilawati Mohd Rasol, Muhammad Khairool Fahmy, Siti Nor Fariza and Ahmad Safuan A. Rashid

Abstract:
Oil and gas pipeline systems often fail due to Microbiologically Influenced Corrosion (MIC). Chemical biocide is one of the common treatments to combat MIC. However, this method is costly and further usage of chemical biocides may lead to serious environment pollutions. In an attempt to disinfect Desulfovibrio vulgaris, a species involved in MIC from oil and gas pipelines, ultraviolet wave is used as a potential alternative. D. vulgaris (ATCC7757) was cultured in broth number 1249 (Modified Barr’s Medium) and the medium was adjusted to pH 9.5 at 37°C based on the Sulfate Reducing Bacteria (SRB) optimum growth parameters. Carbon steel coupons grade API 5L X70 were cut to approximately 10x20x5 mm and kept in anaerobic vials along with the cultured medium. The prepared samples were incubated for 11 days, followed by exposure to ultraviolet for 1 h. Results from the study elucidated that ultraviolet (UV) is a viable option for SRB disinfection and could effectively reduce the growth of SRB.
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How to cite this article:

Akrima Abu Bakar, Norhazilan Noor, Nordin Yahaya, Rosilawati Mohd Rasol, Muhammad Khairool Fahmy, Siti Nor Fariza and Ahmad Safuan A. Rashid, 2014. Disinfection of Sulfate Reducing Bacteria using Ultraviolet Treatment in Mitigating Microbiologically Influenced Corrosion. Journal of Biological Sciences, 14: 349-354.

DOI: 10.3923/jbs.2014.349.354

URL: https://scialert.net/abstract/?doi=jbs.2014.349.354

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