Removal characteristics of CO2 using aqueous MEA/AMP solutions in the absorption and regeneration process

The carbon dioxide （CO2） removal efficiency, reaction rate, and CO2 loading into aqueous blended monoethanolamine （MEA） ＋ 2-amino-2-methyl-l-propanol （AMP） solutions to enhance absorption characteristics of MEA and AMP were carried out by the absorption/regeneration process. As a result, compared to...

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Bibliographic Details
Published in:Journal of environmental sciences (China) 2009, Vol.21 (7), p.907-913
Main Authors: Choi, Won-Joon, Seo, Jong-Beom, Jang, Sang-Yong, Jung, Jong-Hyeon, Oh, Kwang-Joong
Format: Article
Language:English
Subjects:
Absorption
Air Pollutants - chemistry
Air Pollutants - isolation & purification
Carbon Dioxide - chemistry
Carbon Dioxide - isolation & purification
Ethanolamine - chemistry
Propanolamines - chemistry
Solutions - chemistry
乙醇胺
二氧化碳
再生过程
反应速率
吸收特性
放大器
水溶液
生态系统评估
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Summary:The carbon dioxide （CO2） removal efficiency, reaction rate, and CO2 loading into aqueous blended monoethanolamine （MEA） ＋ 2-amino-2-methyl-l-propanol （AMP） solutions to enhance absorption characteristics of MEA and AMP were carried out by the absorption/regeneration process. As a result, compared to aqueous MEA and AMP solutions, aqueous blended MEA ＋ AMP solutions have a higher CO2 loading than MEA and a higher reaction rate than AMP. The CO2 loading of rich amine of aqueous 18 wt.% MEA ＋ 12 wt.% AMP solution was 0.62 mol CO2/mol amine, which is 51.2% more than 30 wt.% MEA （0.41 mol CO2/mol amine）. Consequently, blending MEA and AMP could be an effective way to design considering economical efficiency and used to operate absorber for a long time.
ISSN:1001-0742
1878-7320
DOI:10.1016/s1001-0742(08)62360-8