Microorganisms: Induction and inhibition of corrosion in metals

Alasvand Zarasvand, K. and Rai, V. R. (2014) Microorganisms: Induction and inhibition of corrosion in metals. International Biodeterioration and Biodegradation, 87. pp. 66-74. ISSN 0964-8305

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Official URL: https://doi.org/10.1016/j.ibiod.2013.10.023

Abstract

Corrosion occurs due to chemical or electrochemical reactions between the environment and metal. It can cause dangerous and expensive damage to a wide range of industries. However, it is difficult to evaluate the economic impact of corrosion, particularly when microorganisms are involved in the corrosion mechanism. Microbes change the electrochemical reaction at the biofilm/metal interface and either inhibit or accelerate the process of metal corrosion. The high cost, toxicity, and sometimes ineffectiveness of present physical and chemical strategies to control corrosion have called for the use of microorganisms in inhibitory mechanisms, and this has generated great interest. Although the microbial inhibitory mechanism is environmentally friendly, the predictability of the results is not yet affirmed, as sometimes the same bacteria with an inhibitory property may also become aggressive. This review discusses different mechanisms by which microbes induce or inhibit corrosion in metals. Further, as the corrosive or inhibiting behaviors of microorganisms vary considerably depending on environmental factors, the roles of these factors are also emphasized.

Item Type: Article
Uncontrolled Keywords: biofilm, Microorganisms, Bacteria, Corrosion, Electrochemical corrosion, Biofilms, environmental factor, electrochemistry, Microbiology, Bacteria (microorganisms), biotechnology, microbial activity, inhibition, metal, Corrosion inhibition, corrosion, Bacteriophages, Chemical strategy, corrosion control, Corrosion mechanisms, Different mechanisms, Electrochemical reactions, Environmental factors, Inhibition of corrosion, Inhibitory mechanism
Subjects: B Life Science > Microbiology
Divisions: Department of > Microbiology
Depositing User: Arshiya Kousar
Date Deposited: 14 Jun 2019 06:06
Last Modified: 14 Jun 2019 06:06
URI: http://eprints.uni-mysore.ac.in/id/eprint/2916

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