AgBF4/[emim][BF4] supported ionic liquid membrane for carbon monoxide/nitrogen separation

doi:10.1016/j.jechem.2018.02.004

	AgBF4/[emim][BF4] supported ionic liquid membrane for carbon monoxide/nitrogen separation
	Feng, Shichao; Wu, Yuanyuan; Luo, Jianquan; Wan, Yinhua
刊名	JOURNAL OF ENERGY CHEMISTRY
	2019-02-01
卷号	29 页码:31-39
关键词	Supported ionic liquid membranes [emim][BF4] AgBF4 Carbon monoxide separation
ISSN号	2095-4956
DOI	10.1016/j.jechem.2018.02.004
英文摘要	In this paper, AgBF4/[emim][BF4] supported ionic liquid membranes (SILMs) were prepared successfully for CO/N-2 separation using nitrogen pressure immobilization procedures. The incorporation of AgBF4 could decrease membrane weight loss, improve the pressure-resistant ability, and keep the critical pressure (0.45 MPa) of the SILMs. The high viscosity and undissolved AgBF4 solids in membrane liquid would disturb gas molecular transport through membrane and give rise to the gas transport resistance. Therefore, the gas permeability decreased remarkably with increasing AgBF4 carrier content in the membrane. When the molar ratio of AgBF4 to [emim][BF4] increased from 0:1 to 0.3:1, the CO/N-2 selectivity of the SILMs showed a great increase from similar to 1 to similar to 9 at 20 degrees C and 0.4MPa, suggesting that AgBF4 was an effective carrier for CO facilitated transport. The permeabilities of N-2 and CO increased at higher transmembrane pressure, indicating that molecular transport would dominate the transport process at high pressure. The temperature-dependent gas permeability followed the Arrhenius equation. Moreover, the differences between the activation energies of CO and N-2 became larger after introducing AgBF4, resulting in more obvious decrease in the CO/N-2 selectivity at higher operating temperature. (C) 2018 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier By, and Science Press. All rights reserved.
资助项目	National Natural Science Foundation of China[21406235]
WOS关键词	BLEND MEMBRANES ; FACILITATED TRANSPORT ; COMPOSITE MEMBRANES ; GAS SOLUBILITY ; CO2 ; MONOXIDE ; AG+
WOS研究方向	Chemistry ; Energy & Fuels ; Engineering
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000451732100006
资助机构	National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/27596]
专题	中国科学院过程工程研究所
通讯作者	Wan, Yinhua
作者单位	Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Feng, Shichao,Wu, Yuanyuan,Luo, Jianquan,et al. AgBF4/[emim][BF4] supported ionic liquid membrane for carbon monoxide/nitrogen separation[J]. JOURNAL OF ENERGY CHEMISTRY,2019,29:31-39.
APA	Feng, Shichao,Wu, Yuanyuan,Luo, Jianquan,&Wan, Yinhua.(2019).AgBF4/[emim][BF4] supported ionic liquid membrane for carbon monoxide/nitrogen separation.JOURNAL OF ENERGY CHEMISTRY,29,31-39.
MLA	Feng, Shichao,et al."AgBF4/[emim][BF4] supported ionic liquid membrane for carbon monoxide/nitrogen separation".JOURNAL OF ENERGY CHEMISTRY 29(2019):31-39.