
Preparation and Modification of MOF-Polymer Mixed Matrix Membrane and its Application in Pervaporation
Hao Zhang, Yanhui Wu
Prog Chem ›› 2023, Vol. 35 ›› Issue (8) : 1154-1167.
Preparation and Modification of MOF-Polymer Mixed Matrix Membrane and its Application in Pervaporation
Pervaporation is a membrane separation technology with the advantages of low energy consumption and easy operation. At present, the traditional polymer pervaporation membrane still lacks in separation performance and stability. Metal-organic framework (MOF) is a crystalline porous material formed by self-assembly of metal ions and organic ligands. It has unique properties such as selective adsorption of target molecules and molecular sieving effect. In recent years, many studies have shown that the introduction of MOF as a filler into the polymer matrix to construct mixed matrix membranes (MMMs) has a good effect on its pervaporation performance. Starting from different series of MOF, this paper discusses the types of MOF suitable for pervaporation mixed matrix membrane, analyzes the preparation methods and modification strategies of MOF-polymer mixed matrix membrane, and reviews the application progress of this kind of mixed matrix membrane in pervaporation (dehydration of organic solvent, recovery of organic matter from dilute solution, separation of organic mixture). The challenges in the research of MOF-polymer mixed matrix membrane for pervaporation are summarized, and its future development is prospected.
1 Introduction
2 Different series of MOFs for pervaporation
2.1 Introduction of different series of MOFs
2.2 Selection of MOF fillers
3 Preparation and modification strategies of MOF based MMMs
3.1 Preparation methods of MOF based MMMs
3.2 Modification strategies of MOF based MMMs
4 Application of MOF based MMMs in pervaporation
4.1 Solvent dehydration
4.2 Recovery of organic compounds from diluted aqueous solutions
4.3 organic-organic mixture separation
5 Conclusion and outlook
pervaporation / metal-organic framework / mixed matrix membrane / modification
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