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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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Journal of Environment and Biotechnology Research
Volume 6, Number 1, 2017, pp. 12-33
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