A review on biodegradation of hydrocarbon and their influence on corrosion of carbon steel with special reference to petroleum industry

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Journal of Environment and Biotechnology Research

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A review on biodegradation of hydrocarbon and their influence on

corrosion of carbon steel with special reference to petroleum industry

Journal of Environment & Biotechnology Research, Vol. 6, No. 1, Pages 12-33, January 2017

Punniyakotti Parthipan, Punniyakotti Elumalai, Obulisamy P. Karthikeyan, Yen Peng Ting, Aruliah

Rajasekar

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ABSTRACT

The term microbially influenced corrosion (MIC) refers to the accelerated degradation of metals owing to the

occurrence of biofilms on their surfaces. This review compiled the mechanism of MIC by different groups of

bacteria and up-to-date technologies involved in identification of different groups of bacteria from MIC

environment, in specific to petroleum industry, has been presented. It has been estimated that MIC leads to loss

of millions of dollars by causing damage over the production, transport and storage of oil in petroleum industries

annually. Major microbes involved in MIC are sulphate reducers, iron oxidizers/reducers, manganese oxidizers,

acid producers and methanoarchaea. Biodegradation of hydrocarbon (aliphatic and aromatic) is indirectly

influence/accelerate the MIC rate in such environment. Metagenomic analysis of samples from petroleum

industries mimic the complete profile of microbial communities involved in MIC and more significantly to

understand the interactions between different communities. Therefore, it was concluded that the application of

advanced molecular microbiological methods like Polymerase chain reaction-Denaturing gradient gel

electrophoresis, Fluorescence in situ hybridization/4’,6-diamidino-2-phenylindole methods and Next generation

sequence are imperative tool especially (i) for the identification and subsequent elucidation of functional role of

individual microbes involved in MIC; and (ii) to develop a corrosion inhibitors/biocides to minimize the MIC induced

loss in petroleum industries.

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