The effect of chemical species on the electrochemical reactions and corrosion product layer of carbon steel in CO2 aqueous environment: A review,Materials and Corrosion

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The effect of chemical species on the electrochemical reactions and corrosion product layer of carbon steel in CO2 aqueous environment: A review
Materials and Corrosion ( IF 1.6 ) Pub Date : 2021-02-05 , DOI: 10.1002/maco.202012118
Edoardo Basilico _{1,

2} , Sabrina Marcelin ₂ , Remy Mingant ₁ , Jean Kittel ₁ , Marion Fregonese ₂ , Francois Ropital _{1,

2}

Affiliation

This study summarizes the chemical effects that can occur during the corrosion process of carbon steel in a CO₂-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 CO₂-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.

中文翻译：

化学物种对 CO2 水环境中碳钢电化学反应和腐蚀产物层的影响：综述

本研究总结了碳钢在 CO ₂饱和水环境中腐蚀过程中可能发生的化学影响。特别是，它更关注环境中的微小化学污染物对腐蚀过程的影响。即使在高浓度下，地下水也呈现复杂的化学反应，其中包含几种不同的溶解离子（氯化物、碳酸盐），这会显着影响这些材料的腐蚀速率。此外，气体混合物中存在的气体杂质，例如碳捕获和储存应用中的氧气，构成了 CO ₂中显着污染的补充形式。- 饱和的水环境。特别是，研究了气体混合物或地下水中通常存在的几种化学物质对电化学反应和腐蚀产物层的影响。

更新日期：2021-02-05

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