Review of Synthesis and Separation Application of Metal-Organic Framework-Based Mixed-Matrix Membranes

Metal-organic frameworks (MOFs) are porous crystalline materials assembled from organic ligands and metallic secondary building blocks. Their special structural composition gives them the advantages of high porosity, high specific surface area, adjustable pore size, and good stability. MOF membranes...

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Bibliographic Details
Published in:Polymers 2023-04, Vol.15 (8), p.1950
Main Authors: Wang, Lu, Huang, Jingzhe, Li, Zonghao, Han, Zhiwu, Fan, Jianhua
Format: Article
Language:English
Subjects:
Adsorption
Aquatic resources
Batteries
Desalination
Gas separation
Lithium sulfur batteries
Membrane separation
Membranes
Metal-organic frameworks
Methods
Permeability
Polymers
Pore size
Porosity
Porous materials
Review
Saline water conversion
Seawater
Sulfur compounds
Synthesis
Wastewater
Zeolites
Zinc oxides
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Summary:Metal-organic frameworks (MOFs) are porous crystalline materials assembled from organic ligands and metallic secondary building blocks. Their special structural composition gives them the advantages of high porosity, high specific surface area, adjustable pore size, and good stability. MOF membranes and MOF-based mixed-matrix membranes prepared from MOF crystals have ultra-high porosity, uniform pore size, excellent adsorption properties, high selectivity, and high throughput, which contribute to their being widely used in separation fields. This review summarizes the synthesis methods of MOF membranes, including in situ growth, secondary growth, and electrochemical methods. Mixed-matrix membranes composed of Zeolite Imidazolate Frameworks (ZIF), University of Oslo (UIO), and Materials of Institute Lavoisier (MIL) frameworks are introduced. In addition, the main applications of MOF membranes in lithium-sulfur battery separators, wastewater purification, seawater desalination, and gas separation are reviewed. Finally, we review the development prospects of MOF membranes for the large-scale application of MOF membranes in factories.
ISSN:2073-4360
2073-4360
DOI:10.3390/polym15081950