Preparation of Supported Ionic Liquid Membranes Using a Supercritical Fluid Deposition Method and Study of the Capillary Phase Transition of Ionic Liquids in Supercritical CO2

doi:10.1021/acs.iecr.9b03161

	Preparation of Supported Ionic Liquid Membranes Using a Supercritical Fluid Deposition Method and Study of the Capillary Phase Transition of Ionic Liquids in Supercritical CO2
	Liu, Yi-Fan 1,2; Xu, Qin-Qin 2; Wang, Yu-Qing 2; Zhu, Hong-Yue 2; Yin, Jian-Zhong 2
刊名	INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
	2019-10-16
卷号	58 期号:41 页码:19189-19196
ISSN号	0888-5885
DOI	10.1021/acs.iecr.9b03161
英文摘要	Supported ionic liquid membranes (SILMs) based on [EMIM] [Ac] and gamma-Al2O3 membranes were prepared using a supercritical fluid deposition (SCFD) method at 12 MPa and 50 degrees C. The influences of the preparation time, ionic liquid loading, and ethanol content on the performance of SILMs were studied. The CO2/N-2 selectivity of the as-prepared SILMs reached the ideal selectivity of [EMIM][Ac]. When the ionic liquid (IL) was dissolved in a mixture of supercritical CO2 (scCO(2)) and ethanol, the IL easily diffused into the small pores in supports. Moreover, the dissolved IL could transition to the liquid phase in the small pores because of the capillary phase transition, leading to the selective filling of the meso- and micropores in the supports. The surface tension of the liquid phase and the ratio of the IL concentration to the saturation IL concentration were found to be the key factors influencing the capillary phase transition of the IL.
资助项目	National Natural Science Foundation of China[21376045] ; National Natural Science Foundation of China[21506027] ; National Natural Science Foundation of China ; China National Petroleum Corporation[U1662130]
WOS关键词	INTERFACIAL-TENSION ; 1-ETHYL-3-METHYLIMIDAZOLIUM ACETATE ; REFRACTIVE-INDEX ; SURFACE-TENSION ; CARBON-DIOXIDE ; POROUS-MEDIA ; CONDENSATION ; ADSORPTION ; TRANSPORT ; DYNAMICS
WOS研究方向	Engineering
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000491220500024
资助机构	National Natural Science Foundation of China ; National Natural Science Foundation of China ; China National Petroleum Corporation
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/31245]
专题	中国科学院过程工程研究所
通讯作者	Xu, Qin-Qin; Yin, Jian-Zhong
作者单位	1.Chinese Acad Sci, Inst Proc Engn, Beijing Key Lab Ion Liquids Clean Proc, Beijing 100190, Peoples R China 2.Dalian Univ Technol, Sch Chem Machinery & Safety Engn, State Key Lab Fine Chem, Dalian 116024, Peoples R China
推荐引用方式 GB/T 7714	Liu, Yi-Fan,Xu, Qin-Qin,Wang, Yu-Qing,et al. Preparation of Supported Ionic Liquid Membranes Using a Supercritical Fluid Deposition Method and Study of the Capillary Phase Transition of Ionic Liquids in Supercritical CO2[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2019,58(41):19189-19196.
APA	Liu, Yi-Fan,Xu, Qin-Qin,Wang, Yu-Qing,Zhu, Hong-Yue,&Yin, Jian-Zhong.(2019).Preparation of Supported Ionic Liquid Membranes Using a Supercritical Fluid Deposition Method and Study of the Capillary Phase Transition of Ionic Liquids in Supercritical CO2.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,58(41),19189-19196.
MLA	Liu, Yi-Fan,et al."Preparation of Supported Ionic Liquid Membranes Using a Supercritical Fluid Deposition Method and Study of the Capillary Phase Transition of Ionic Liquids in Supercritical CO2".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 58.41(2019):19189-19196.