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The Microbiologically Influenced Corrosion of L245NS Carbon Steel by Sulfate-Reducing Bacteria in H2S Solutions

Résumé : The influence of sulfate-reducing bacteria (SRB) on the corrosion of L245NS carbon steel was investigated in a medium containing H2S by various surface characterizations and electrochemical measurements. The addition of H2S will totally inhibit the planktonic SRB in the medium. However, the sessile SRB in the corrosion crust can survive under the protection of the biofilm. Pitting corrosion is found under the corrosion crust, which is caused by the sessile SRB. The pitting corrosion rate is 1.1 mm/a. Additionally, the corrosion rate increases with the corrosion time. The SRB influenced corrosion mechanism of the steel is discussed.
Domaine de référence : Biocorrosion
Auteur Department of Materials Science and Engineering and Beijing Key Laboratory of Failure, Corrosion and Protection of Oil/Gas Facilities, China University of Petroleum (Beijing), Changping District, Fuxue Road 18, Beijing 102249, P. R. China, Yu Haobo
Année de parution : 2018.
Type de document : Article de revue.
Exporter la référence : BibTeX | Zotero RDF | RIS (EndNote)

Ce projet est financé par le Fonds Européen de Développement Régional, la Région Normandie et le Conseil Départemental de la Manche.