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http://dx.doi.org/10.7316/KHNES.2016.27.5.562

Thermal Degradation of Aqueous MEA Solution for CO2 Absorption by Nuclear Magnetics Resonance  

CHOI, JEONGHO (Green Energy Process Laboratory, Korea Institute of Energy Research)
YOON, YEOIL (Green Energy Process Laboratory, Korea Institute of Energy Research)
PARK, SUNGYOUL (Green Energy Process Laboratory, Korea Institute of Energy Research)
BAEK, ILHYUN (Green Energy Process Laboratory, Korea Institute of Energy Research)
KIM, YOUNGEUN (Green Energy Process Laboratory, Korea Institute of Energy Research)
NAM, SUNGCHAN (Green Energy Process Laboratory, Korea Institute of Energy Research)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.27, no.5, 2016 , pp. 562-570 More about this Journal
Abstract
At the carbon dioxide capture process using the aqueous amine solution, degradation of absorbents is main factor to reducing the process performance. Also, degradation mechanism of absorbent is important for understanding the environmental risk, route of degradation products, health risk etc. In this study, the degradation products of MEA were studied to clarify mechanism in thermal degradation process. The degradation products were analyzed using a $^1H$ NMR (nuclear magnetic resonance) and $^{13}C$ NMR. The analysis methods used in this study provide guidelines that could be used to develop a degradation inhibitor of absorbent and a corrosion inhibitor.
Keywords
Carbon dioxide; Degradation; Nuclear magnetics resonance; Post combustion capture; $CO_2$ absorption;
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