期刊
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
卷 121, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijggc.2022.103796
关键词
CO2 separation; Ionic liquids; Mixed matrix membranes; Membrane separation
类别
资金
- National Natural Science Foundation of China [22178357]
- Major Scientific and Technological Project of Shanxi Province of China [20201102005]
- Youth Innovation Promotion Association of the Chinese Academy of Sciences [2020047]
- Innovation Academy for Green Manufacture, Chinese Academy of Sciences [IAGM2020C15]
This review systematically introduces the application of ionic liquids-based mixed matrix membranes (MMMs) in CO2 separation, with emphasis on the effects and improvements of ionic liquids on membrane performance.
Membrane technology is highly promising in CO2 capture and separation process mainly because of its energy -efficiency and environmental friendliness. Mixed matrix membranes (MMMs) combine the excellent gas sepa-ration performance of fillers and the processability of polymer matrix, but it is still a challenge to enhance the gas separation performance for practical application. In this review, ionic liquids (ILs)-based MMMs with modified microstructures and improved separation performance are systematically introduced, which mainly due to the adjustability, the role of wetting agents, as well as the high CO2 affinity of ILs. The development of conventional ILs and functionalized ILs for CO2 separation are first briefly presented, following by the advance of ILs/fillers/ polymers blended MMMs, ILs@fillers/polymers MMMs, ILs/fillers/PILs MMMs, and MMMs post-treated with ILs for CO2 separation. Meanwhile, the effects of ILs on the interfacial morphology, membranes microstructures and CO2 separation performance of membranes are emphasized. Finally, the understandings of challenges and per-spectives of IL-based MMMs are proposed.
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