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http://dx.doi.org/10.5572/KOSAE.2007.23.5.539

Absorption and Regeneration of Carbon Dioxide in Aqueous AMP + AEPD and AMP + TIPA Solutions  

Kim, Mi-Sook (Department of Environmental Engineering, Pusan National University)
Choi, Won-Joon (Department of Environmental Engineering, Pusan National University)
Seo, Jong-Beom (Department of Environmental Engineering, Pusan National University)
Cho, Ki-Chul (Department of Environmental Engineering, Pusan National University)
Kim, Soo-Gon (Division of Remediation Technology, QEN Solution)
Oh, Kwang-Joong (Department of Environmental Engineering, Pusan National University)
Publication Information
Journal of Korean Society for Atmospheric Environment / v.23, no.5, 2007 , pp. 539-546 More about this Journal
Abstract
Increasing emission of $CO_2$ significantly effects the global warming. Chemical absorption is one of separation methods of $CO_2$ from the industrial flue gases. In this study, the $CO_2$ removal efficiency as well as the $CO_2$ absorption amount of aqueous AMP (2-amino-2-methyl-1-propanol) solutions were measured using the continuous absorption and regeneration apparatus. We investigated the effect of aqueous AMP+AEPD(2-amino-2-ethyl-1, 3-propanediol) and AMP+TIPA (triisopropanolamine) solutions to enhance absorption characteristics of AMP. As a result of this study, the absorption amount and $CO_2$ removal efficiency were increased with adding TIPA into 30 wt.% AMP. The absorption amount and $CO_2$ removal efficiency of aqueous 30 wt.% AMP+5 wt.% TIPA solution were $1.70\;kg-CO_2/kg-absorbent$ and 91.1%, while those of aqueous 30 wt.% AMP solution were $1.58\;kg-CO_2/kg-absorbent$ and 89.3%. In addition, aqueous 30 wt.% AMP+5 wt.% TIPA solution used in the study revealed the high stripping efficiency, which was almost 98%, at the temperature of $110^{\circ}C$. Thus, the temperature of regenerator should be operated at $110^{\circ}C$.
Keywords
$CO_2$; Absorption; Regeneration; AMP (2-amino-2-methyl-1-propanol); AEPD (2-amino-2-ethyl-1, 3-propanediol); TIPA (triisopropanolamine);
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Times Cited By KSCI : 1  (Citation Analysis)
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