The Proceedings of the Thermal Engineering Conference
Online ISSN : 2424-290X
2024
Session ID : B31
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Effect of bubbling on mass transfer coefficient in the amine-based CCS for cogeneration systems
*Soichiro IkegamiHirofumi UkaiTomohiro AbeJiro FukudomeShuichi Nakagawa
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Abstract

CO2 overall mass transfer coefficient in a reactor plays a key role in CO2 capture rate of CCS. This work has investigated the overall mass transfer characteristics of the packed bubble absorber column in the amin-based CCS for exhaust gas from the cogeneration system. The results have indicated that the overall mass transfer coefficient is more enhanced with increasing the bubble layer formed in the lower part of the absorber than the liquid film formed in the upper part. It has been also revealed that the bubble layer height was the most sensitive factor in design variables for increasing of not only the overall mass transfer coefficient but also the CO2 capture rate.

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© 2024 The Japan Society of Mechanical Engineers
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