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	Gas-Liquid Mass-Transfer Properties in CO2 Absorption System with Ionic Liquids
	Zhang, Xin1; Bao, Di; Huang, Ying; Dong, Haifeng; Zhang, Xiangping; Zhang, Suojiang
刊名	AICHE JOURNAL
	2014-08-01
卷号	60期号:8页码:2929-2939
关键词	ionic liquids carbon dioxide mass-transfer coefficient kinetics absorption
ISSN号	0001-1541
其他题名	Aiche J.
中文摘要	The deficiency of mass-transfer properties in ionic liquids (ILs) has become a bottleneck in developing the novel IL-based CO2 capture processes. In this study, the liquid-side mass-transfer coefficients (k(L)) were measured systematically in a stirred cell reactor by the decreasing pressure method at temperatures ranging from 303 to 323 K and over a wide range of IL concentrations from 0 to 100 wt %. Based on the data of kL, the kinetics of chemical absorption of CO2 with mixed solvents containing 30 wt % monoethanolamine (MEA) and 0-70 wt % ILs were investigated. The k(L) in IL systems is influenced not only by the viscosity but also the molecular structures of ILs. The enhancement factors and the reaction activation energy were quantified. Considering both the mass-transfer rates and the stability of IL in CO2 absorption system, the new IL-based system MEA + [bmim][NO3] + H2O is recommended. (C) 2014 American Institute of Chemical Engineers
英文摘要	The deficiency of mass-transfer properties in ionic liquids (ILs) has become a bottleneck in developing the novel IL-based CO2 capture processes. In this study, the liquid-side mass-transfer coefficients (k(L)) were measured systematically in a stirred cell reactor by the decreasing pressure method at temperatures ranging from 303 to 323 K and over a wide range of IL concentrations from 0 to 100 wt %. Based on the data of kL, the kinetics of chemical absorption of CO2 with mixed solvents containing 30 wt % monoethanolamine (MEA) and 0-70 wt % ILs were investigated. The k(L) in IL systems is influenced not only by the viscosity but also the molecular structures of ILs. The enhancement factors and the reaction activation energy were quantified. Considering both the mass-transfer rates and the stability of IL in CO2 absorption system, the new IL-based system MEA + [bmim][NO3] + H2O is recommended. (C) 2014 American Institute of Chemical Engineers
WOS标题词	Science & Technology ; Technology
类目[WOS]	Engineering, Chemical
研究领域[WOS]	Engineering
关键词[WOS]	CARBON-DIOXIDE ABSORPTION ; AQUEOUS MONOETHANOLAMINE SOLUTIONS ; TRANSFER COEFFICIENT ; N-METHYLDIETHANOLAMINE ; BUBBLE BEHAVIOR ; KINETICS ; CAPTURE ; SOLUBILITY ; DIFFUSIVITY ; WATER
收录类别	SCI
原文出处	://WOS:000339256100019
语种	英语
WOS记录号	WOS:000339256100019
公开日期	2014-08-28
内容类型	期刊论文
版本	出版稿
源URL	[http://ir.ipe.ac.cn/handle/122111/11039]
专题	过程工程研究所_研究所（批量导入）
作者单位	1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, State Key Lab Multiphase Complex Syst,Beijing Key, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Coll Chem & Chem Engn, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Xin,Bao, Di,Huang, Ying,et al. Gas-Liquid Mass-Transfer Properties in CO2 Absorption System with Ionic Liquids[J]. AICHE JOURNAL,2014,60(8):2929-2939.
APA	Zhang, Xin,Bao, Di,Huang, Ying,Dong, Haifeng,Zhang, Xiangping,&Zhang, Suojiang.(2014).Gas-Liquid Mass-Transfer Properties in CO2 Absorption System with Ionic Liquids.AICHE JOURNAL,60(8),2929-2939.
MLA	Zhang, Xin,et al."Gas-Liquid Mass-Transfer Properties in CO2 Absorption System with Ionic Liquids".AICHE JOURNAL 60.8(2014):2929-2939.

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