Protic ionic liquids with low viscosity for efficient and reversible capture of carbon dioxide

doi:10.1016/j.ijggc.2019.102801

	Protic ionic liquids with low viscosity for efficient and reversible capture of carbon dioxide
	Li, Fangfang 1,2; Bai, Yinge 2; Zeng, Shaojuan 2; Liang, Xiaodong 3; Wang, Hui 2; Huo, Feng 2; Zhang, Xiangping 1,2
刊名	INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
	2019-11-01
卷号	90 页码:8
关键词	Ionic liquids Protic Low viscosity CO2 absorption Mechanisms
ISSN号	1750-5836
DOI	10.1016/j.ijggc.2019.102801
英文摘要	Protic ionic liquids (PILs) are considered as potential solvents for CO2 capture due to their simple synthetic routes and unique properties. In this work, three low viscous PILs, tetramethylgunidinium imidazole ([TMGH] [Im]), tetramethylgunidinium pyrrole ([TMGH][Pyrr]) and tetramethylgunidinium phenol ([TMGH][PhO]) were synthesized and the effect of anions, temperature, CO2 partial pressure and water content on CO2 absorption performance of PILs was also systematically studied. It was found that the PILs with larger basicity show higher CO2 absorption capacity, and [TMGH][Im] simultaneously shows relatively high absorption rate and CO2 absorption capacity of 0.154 g CO2/g IL at 40 degrees C, 1 bar. The addition of H2O has a positive effect on gravimetric absorption capacity of CO2 at the range of 0-20 wt% H2O, and the highest capacity of 0.186 g CO2/g IL was achieved as the water content was 7 wt%. In situ FTIR, C-13 NMR and theoretical calculations verified that more stable bicarbonate are produced during CO2 absorption by [TMGH][Im]-H2O system. However, neat [TMGH] [Im] can react with CO2 to form the reversible carbamate, leading to excellent recyclability after four absorption-desorption cycles. The results implied that neat [TMGH][Im] shows great potentials in CO2 absorption applications.
资助项目	National Key Research and Development Program of China[2017YFB0603301] ; National Natural Science Foundation of China[21838010] ; National Natural Science Foundation of China[21425625] ; National Natural Science Foundation of China[21890764] ; Beijing Municipal Natural Science Foundation[2182071] ; Key Research Program of Frontier Sciences, CAS[QYZDY-SSW-JSC011]
WOS关键词	CO2 CAPTURE ; HIGHLY EFFICIENT ; SO2 ; ABSORPTION ; SOLVATION ; SOLVENTS ; TECHNOLOGIES ; EQUILIBRIA ; ABSORBENTS ; ACIDITIES
WOS研究方向	Science & Technology - Other Topics ; Energy & Fuels ; Engineering
语种	英语
出版者	ELSEVIER SCI LTD
WOS记录号	WOS:000495026000007
资助机构	National Key Research and Development Program of China ; National Natural Science Foundation of China ; Beijing Municipal Natural Science Foundation ; Key Research Program of Frontier Sciences, CAS
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/38971]
专题	中国科学院过程工程研究所
通讯作者	Zeng, Shaojuan; Zhang, Xiangping
作者单位	1.Univ Chinese Acad Sci, Sino Danish Coll, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Inst Proc Engn, Beijing Key Lab Ion Liquids Clean Proc, Key Lab Green Proc & Engn,State Key Lab Multiphas, Beijing 100190, Peoples R China 3.Tech Univ Denmark, Dept Chem & Biochem Engn, DK-2800 Lyngby, Denmark
推荐引用方式 GB/T 7714	Li, Fangfang,Bai, Yinge,Zeng, Shaojuan,et al. Protic ionic liquids with low viscosity for efficient and reversible capture of carbon dioxide[J]. INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL,2019,90:8.
APA	Li, Fangfang.,Bai, Yinge.,Zeng, Shaojuan.,Liang, Xiaodong.,Wang, Hui.,...&Zhang, Xiangping.(2019).Protic ionic liquids with low viscosity for efficient and reversible capture of carbon dioxide.INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL,90,8.
MLA	Li, Fangfang,et al."Protic ionic liquids with low viscosity for efficient and reversible capture of carbon dioxide".INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL 90(2019):8.