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- Title
Corrosion behavior of carbon steel in amine-based CO<sub>2</sub> capture system: effect of sodium sulfate and sodium sulfite contaminants.
- Authors
Emori, W.; Jiang, S. L.; Duan, D. L.; Ekerenam, O. O.; Zheng, Y. G.; Okafor, P. C.; Qiao, Y. X.
- Abstract
The effect of sodium sulfate and sodium sulfite on the corrosion behavior of carbon steel in CO2 capture process with methyldiethanolamine (MDEA) solution has been studied under an absorber temperature condition (50 °C). The corrosion behavior was evaluated using electrochemical methods, weight loss measurements, and surface analytical techniques. Sodium sulfate increased the system corrosiveness and the rate of corrosion increased with concentration while sodium sulfite reduced the corrosion rate and the inhibition performance improved with concentration. Weight loss measurements showed an increase in corrosion rate with time for sodium sulfate while the inhibition performance for sodium sulfite was considerably low for the tested concentration.
- Subjects
CARBON steel corrosion; CARBON sequestration; SODIUM sulfites; ETHANOLAMINES; ELECTROCHEMICAL analysis
- Publication
Materials & Corrosion / Werkstoffe und Korrosion, 2017, Vol 68, Issue 6, p674
- ISSN
0947-5117
- Publication type
Article
- DOI
10.1002/maco.201609245