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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-Fan1,2; Xu, Qin-Qin1; Wang, Yu-Qing1; Zhu, Hong-Yue1; Yin, Jian-Zhong1
2019-10-16
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume58Issue:41Pages:19189-19196
AbstractSupported 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.
DOI10.1021/acs.iecr.9b03161
Language英语
WOS KeywordINTERFACIAL-TENSION ; 1-ETHYL-3-METHYLIMIDAZOLIUM ACETATE ; REFRACTIVE-INDEX ; SURFACE-TENSION ; CARBON-DIOXIDE ; POROUS-MEDIA ; CONDENSATION ; ADSORPTION ; TRANSPORT ; DYNAMICS
Funding ProjectNational 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 Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; China National Petroleum Corporation
WOS IDWOS:000491220500024
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/31246
Collection中国科学院过程工程研究所
Corresponding AuthorXu, Qin-Qin; Yin, Jian-Zhong
Affiliation1.Dalian Univ Technol, Sch Chem Machinery & Safety Engn, State Key Lab Fine Chem, Dalian 116024, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing Key Lab Ion Liquids Clean Proc, Beijing 100190, Peoples R China
Recommended Citation
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.
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