The effect of chemical species on the electrochemical reactions and corrosion product layer of carbon steel in CO 2 aqueous environment: A review

Abstract This study summarizes the chemical effects that can occur during the corrosion process of carbon steel in a CO 2 ‐saturated aqueous environment. Particularly, it focuses more on the results that small chemical contaminations in the environment have on the corrosion process. Underground wate...

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Bibliographic Details
Published inMaterials and corrosion Vol. 72; no. 7; pp. 1152 - 1167
Main Authors Basilico, Edoardo, Marcelin, Sabrina, Mingant, Remy, Kittel, Jean, Fregonese, Marion, Ropital, Francois
Format Journal Article
LanguageEnglish
Published Wiley-VCH Verlag 01.07.2021
Subjects
Chemical Sciences
Material chemistry
chlorides
oxygen
carbon-steel
CO2 corrosion
contamination
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Summary:Abstract This study summarizes the chemical effects that can occur during the corrosion process of carbon steel in a CO 2 ‐saturated aqueous environment. Particularly, it focuses more on the results that small chemical contaminations in the environment have on the corrosion process. Underground waters present complex chemistry with several different dissolved ions (chlorides, carbonates) even in high concentrations that impact substantially the corrosion rates of these materials. Moreover, gas impurities present in the gas mixture, such as oxygen in carbon capture and storage applications, constitute a supplementary form of significant contamination in the CO 2 ‐saturated aqueous environment. In particular, the effect on both electrochemical reactions and corrosion product layer is examined for several chemical species that are commonly present either in the gas mixture or in underground waters.
ISSN:0947-5117
1521-4176
DOI:10.1002/maco.202012118