Mechanism of Inhibition of Corrosion of Steel in the Presence of Sulfate-Reducing Bacteria

• Published in: Materials science (New York, N.Y.) Vol. 37; no. 5; p. 754
• Main Authors: Pogrebova, I S, Kozlova, I A, Purish, L M, Gerasika, S E, Tuovinen, O H
• Format: Journal Article
• Language: English
• Published: New York Springer Nature B.V 01-09-2001
• ISSN: 1068-820X; 1573-885X
• DOI: 10.1023/A:1015044425411

We consider the electrochemical and microbiological aspects of microbe-induced corrosion of low-carbon steels caused by sulfate-reducing bacteria and its inhibition by organic surfactants. We propose relations that take into account the influence of the main products of the vital activity of sulfate-reducing bacteria (H2S and HS^sup -^) on the cathodic and anodic reactions of the corrosion process. The evaluation of the adsorption properties of organic surfactants and analysis of their influence on the kinetics of oxidation-reduction reactions enable one to develop high-performance inhibitors of microbe-induced corrosion of steels in aqueous aggressive media containing sulfate-reducing bacteria.