Alkyl-fluoroalkylimidazolium-Based Ionic Liquids as Efficient CO2 Absorbents

Title
Alkyl-fluoroalkylimidazolium-Based Ionic Liquids as Efficient CO2 Absorbents
Authors
이현주조민호이방숙Jelliarko Palgunadi김홍곤김훈식
Issue Date
2010-12
Publisher
Energy & fuels : an American Chemical Society journal
Citation
VOL 24, NO 12, 6689-6692
Abstract
CO2 capture fromthe exhaust flue gases of fossil-fuel power plants has become one of the hot issues for a sustainable society because of the strong impact of CO2 on global warming. Industrially, CO2 is being removed from flue gases by a variety of methods, including the chemical absorption by aqueous solutions of alkanol amines and the adsorption with K2CO3. Of these, alkanol-amine-based aqueous solutions are more preferred because of their rapid reactions with CO2, forming ammonium carbamate. However, the absorption process using alkanol amines has several drawbacks, such as the decomposition of amines by small amounts of S-containing compounds present in flue gases, loss of absorbents during regeneration because of their high volatilities, and the requirement of enormous energy to beak the strong C-N bonds of carbamates in the regeneration of alkanol amines.
URI
http://pubs.kist.re.kr/handle/201004/38595
ISSN
0887-0624
Appears in Collections:
KIST Publication > Article
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