International Journal of Engineering Research in Electronics and Communication Engineering

CO2 Purification using an Aqueous Amine Absorbent in the Syngas

Author : Jeong Ho Choi ¹ Soung Hee Yun ² Sung Chan Nam ³ Il Soo Chun ⁴ Jin Young Jung ⁵ Yeo Il Yoon ⁶ Jung-Hyun Lee ⁷

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Date of Publication :21st December 2017

Abstract: The acetic acid production using syngas in the BP chemical process showed superior performance compared to using rhodium-based catalyst. However, CO2 in the syngas causes poison of the promoted-iridium and the performance of the catalyst degrades. Therefore, CO2 must remain at extremely low concentration below 20 ppmv. In this study, we try to develop the new CO2 capturing absorbent for replacing with BASF a-MDEA (activated MDEA). The absorption performance of amine absorbents was evaluated to keep the CO2 concentration low and the applicability of the absorbent for acetic acid production process was evaluated. A continuously stirred-tank reactor and differential reaction calorimeter were used to measure the CO2 absorption capacity and heat of reaction, respectively. As results among the amine absorbents, KIERSOL-N and KIERSOL-P showed better performance in both CO2 absorption capacity and heat of reaction than MEAâ€™s results and a- MDEAâ€™s results.

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