期刊
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
卷 96, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijggc.2020.103010
关键词
Corrosion models; Carbon steel corrosion; Electrochemical reactions; CO2 corrosion; CO2 capture; Polarization curve
Corrosion is one of the critical problems for process operations and plant life. Amine-based post-combustion CO2 capture systems are known to be corrosive. This is because of the absorption of CO2 by aqueous amine solution, which makes the system acidic and generates oxidizing agents through ionization leading to corrosion. Corrosion increases with CO2 loading, process temperature, presence of oxygen (O-2), occurrence of sulfur compounds, low pH, velocity of solution and formation of some degradation products. Conducting experimental investigations to determine the rate of corrosion at various parts of process plant under a wide range of operating parameters is difficult and costly. Mathematical models and simulations play an important role in estimating the rate of corrosion under wide range of operating parameters for such systems. This study highlights the process of corrosion for amine-based CO2 capture systems and development of corrosion models with critical analyses on their applications. Study also highlights the outlook of models and simulations.
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