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CO2 separation performance for PIM based mixed matrix membranes embedded by superbase ionic liquids

文献类型：期刊论文

作者Han, Jiuli1,2; Jiang, Haiyan1; Zeng, Shaojuan1; Bai, Yinge1; Zhang, Xiangping1; Bai, Lu1,3
刊名JOURNAL OF MOLECULAR LIQUIDS
出版日期2022-08-01
卷号359页码:8
ISSN号0167-7322
关键词Superbase ionic liquid CO2 separation Mixed matrix membrane ZIF-67 PIM-1
DOI10.1016/j.molliq.2022.119375
英文摘要Mixed matrix membranes (MMMs) have drawn much interest in CO2 separation due to their excellent separation performance, mechanical property, and desirable processability. However, obtaining highly compatible MMMs is a great challenge and is vital to avoid the loss of the separation selectivity of the MMMs. In this work, superbase ionic liquid (1,8-diazabicyclo[5,4,0]undec-7-ene imidazole ([FIDBU] [Im])) was used as a wetting agent to increase the interfacial compatibility between ZIF-67 and PIM-1, hence improving the membrane gas separation. [HDBU][Im] embeding into the MMMs could efficiently enhance the compatibility and diminish the interfacial voids. Furthermore, incorporating 5 wt% [HOBO] [Im]@ZIF-67 nanocomposite into the PIM-1 matrix improves the gas permeability and CO2 selectivity. The separation performances under the different temperatures were also conducted and showed that reducing temperature slightly decreases the gas permeability but significantly increases the CO2/CH4 selectivity via enhancing the CO2 solubility. The permeation active energies, diffusivities and solubilities were obtained to explain the gas permeate mechanism. (C) 2022 Elsevier B.V. All rights reserved.
资助项目National Natural Science Foundation of China[21978306] ; Major Scientific and Technological Project of Shanxi Province of China[20201102005] ; Science Fund for Creative Research Groups of the National Natural Science Foundation of China[21921005] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2020047] ; International Partnership Program of Chinese Academy of Sciences[122111KYSB20190060] ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences[IAGM2020C15]
WOS研究方向Chemistry ; Physics
语种英语
出版者ELSEVIER
WOS记录号WOS:000830855900013
资助机构National Natural Science Foundation of China ; Major Scientific and Technological Project of Shanxi Province of China ; Science Fund for Creative Research Groups of the National Natural Science Foundation of China ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; International Partnership Program of Chinese Academy of Sciences ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences
源URL[http://ir.ipe.ac.cn/handle/122111/54244]  
专题中国科学院过程工程研究所
通讯作者Bai, Lu
作者单位1.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
2.Tsinghua Univ, Dept Chem Engn, Beijing Key Lab Membrane Mat & Engn, Beijing 100084, Peoples R China
3.Chinese Acad Sci, Innovat Acad Green Manufacture, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Han, Jiuli,Jiang, Haiyan,Zeng, Shaojuan,et al. CO2 separation performance for PIM based mixed matrix membranes embedded by superbase ionic liquids[J]. JOURNAL OF MOLECULAR LIQUIDS,2022,359:8.
APA Han, Jiuli,Jiang, Haiyan,Zeng, Shaojuan,Bai, Yinge,Zhang, Xiangping,&Bai, Lu.(2022).CO2 separation performance for PIM based mixed matrix membranes embedded by superbase ionic liquids.JOURNAL OF MOLECULAR LIQUIDS,359,8.
MLA Han, Jiuli,et al."CO2 separation performance for PIM based mixed matrix membranes embedded by superbase ionic liquids".JOURNAL OF MOLECULAR LIQUIDS 359(2022):8.

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来源：过程工程研究所

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