Investigation uncovered the impact of anions on CO2 absorption by low viscous ether functionalized pyridinium ionic liquids

doi:10.1016/j.molliq.2021.116362

	Investigation uncovered the impact of anions on CO2 absorption by low viscous ether functionalized pyridinium ionic liquids
	Hussain, Shahid 1,3; Dong, Haifeng 3,4; Zeng, Shaojuan 3; Ahmad, Muhammad Umair 1,3; Shehzad, Farooq Khurum 2; Wu, Hui 3; Zhang, Yanqiang 3
刊名	JOURNAL OF MOLECULAR LIQUIDS
	2021-08-15
卷号	336 页码:10
关键词	CO2 absorption Ionic liquids Low viscosity Anions effect Thermodynamic properties
ISSN号	0167-7322
DOI	10.1016/j.molliq.2021.116362
英文摘要	Ionic liquids, which are designable and nonvolatile, have become a hot topic in the field of CO2 separation from industrial gases. In order to utilize the nonvolatile and low heat capacity of ionic liquids, it is necessary to solve the problem of high viscosity of pure ionic liquids. In the present study, ether functionalized pyridinium ion [E1Py](+) with good biodegradability and low viscosity was selected as cation. Ions containing cyano groups were used as anions, such as thiocyanate ion [SCN]-, dicyanamide ion [N (CN)(2)](-), tricyanomethanide ion [C(CN)(3)](-). Three ionic liquids with low viscosity were synthesized and characterized by (HNMR)-H-1, (CNMR)-C-13 and FTIR. The physiochemical properties of ionic liquids such thermal decomposition temperature, density and viscosity were tested. The CO2 absorption capacity was systematically studied by using intelligent gravimetric analyzer at the pressure range between 0 and 15 bars and the temperature range from 303.15 to 333.15 K. The results showed that the order of CO2 absorption capacity of these three ionic liquids is [E1Py][C(CN)(3)] > [E1Py] [N(CN)(2)] > [E1Py][SCN], which showed that the solubility increased by increasing more cyano groups in ionic liquids. Thermodynamic properties such as enthalpy, entropy, and Gibbs free energy were also calculated for CO2 absorption. (C) 2021 Elsevier B.V. All rights reserved.
资助项目	National Key R&D Program of China[2020YFA0710200] ; National Natural Science Foundation of China[21776277] ; National Natural Science Foundation of China[21838010] ; National Natural Science Foundation of China[21890764] ; CAS Interdisciplinary Innovation Team ; CAS Key Technology Talent Program ; CAS-TWAS
WOS关键词	CARBON-DIOXIDE ; SOLUBILITY ; CAPTURE ; VISCOSITY ; MEMBRANES ; EFFICIENT ; SO2
WOS研究方向	Chemistry ; Physics
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000664654300092
资助机构	National Key R&D Program of China ; National Natural Science Foundation of China ; CAS Interdisciplinary Innovation Team ; CAS Key Technology Talent Program ; CAS-TWAS
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/49309]
专题	中国科学院过程工程研究所
通讯作者	Dong, Haifeng; Zhang, Yanqiang
作者单位	1.Univ Chinese Acad Sci, Coll Chem & Engn, Beijing 100049, Peoples R China 2.Muhammad Nawaz Sharif Univ Engn & Technol, Dept Chem, MNSUET, Multan 60000, Pakistan 3.Chinese Acad Sci, Inst Proc Engn, Beijing Key Lab Ion Liquids Clean Proc, CAS Key Lab Green Proc & Engn,State Key Lab Multi, Beijing 100190, Peoples R China 4.Adv Energy Sci & Technol Guangdong Lab, Huizhou 516003, Guangdong, Peoples R China
推荐引用方式 GB/T 7714	Hussain, Shahid,Dong, Haifeng,Zeng, Shaojuan,et al. Investigation uncovered the impact of anions on CO2 absorption by low viscous ether functionalized pyridinium ionic liquids[J]. JOURNAL OF MOLECULAR LIQUIDS,2021,336:10.
APA	Hussain, Shahid.,Dong, Haifeng.,Zeng, Shaojuan.,Ahmad, Muhammad Umair.,Shehzad, Farooq Khurum.,...&Zhang, Yanqiang.(2021).Investigation uncovered the impact of anions on CO2 absorption by low viscous ether functionalized pyridinium ionic liquids.JOURNAL OF MOLECULAR LIQUIDS,336,10.
MLA	Hussain, Shahid,et al."Investigation uncovered the impact of anions on CO2 absorption by low viscous ether functionalized pyridinium ionic liquids".JOURNAL OF MOLECULAR LIQUIDS 336(2021):10.