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Microenvironment regulation strategy of functionalized MOF-based mixed matrix membranes

Authors： ZHANG Yijuan, SONG Chunfeng, LIAN Shaohan, LI Run, ZHAO Quan, GUO Hui

Units： School of Environmental Science and Engineering， Tianjin University, Tianjin 300350，China

KeyWords： CO2 capture; membrane separation; mixed matrix membrane; MOF; microenvironment

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year,volume(issue):pagination： 2023,43(1):165-173

Abstract：

In order to alleviate the environmental problems caused by the increase of CO2 concentration, many capture technologies have been applied to the CO2 capture process. Membrane separation technology has received extensive attention due to its advantages of easy operation, high efficiency, and green environmental protection. Metal-organic framework (MOF)-based mixed-matrix membranes show great potential in CO2 separation due to their low cost and excellent separation performance. However, MOF-based mixed-matrix membranes still suffer from problems such as non-ideal morphology and single separation mechanism. This paper starts with the functionalization of MOF, and summarizes the strategies for regulating the physical microenvironment, chemical microenvironment, and synergistically regulating the physical and chemical microenvironment, mainly including changing the morphology and size of MOF, adding a third component, and other functional strategies. Finally, the challenges of physical and chemical microenvironment regulation strategies in the process of membrane separation of CO2 are proposed, and the development of gas membrane separation technology in the future is prospected.

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AuthorIntro：

张逸娟(1998-)，女，山西忻州人，硕士生，研究方向为混合基质膜在气体分离中的应用。

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