MOF-Based Mixed-Matrix Membranes in Gas Separation - Mystery and Reality

被引:27
|
作者
Friebe, Sebastian [1 ]
Diestel, Lisa [1 ]
Knebel, Alexander [1 ]
Wollbrink, Alexander [1 ]
Caro, Juergen [1 ]
机构
[1] Leibniz Univ Hannover, Inst Phys Chem & Elektrochem, Callinstr 3A, D-30167 Hannover, Germany
关键词
Gas separation; Maxwell equation; Metal-organic framework membrane; Mixed-matrix membrane; METAL-ORGANIC FRAMEWORKS; ZEOLITIC IMIDAZOLATE FRAMEWORKS; POLYMER-CHAIN RIGIDIFICATION; INORGANIC FILLERS; GLASSY-POLYMERS; PORE BLOCKAGE; NANOSHEETS; ZIF-7; TERMINOLOGY; SELECTIVITY;
D O I
10.1002/cite.201600041
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Microporous additives like nanosized metal-organic framework (MOF) particles can improve the gas separation performance of polymer membranes. These membranes which consist of added filler particles in a continuous polymer phase are called mixed-matrix membranes (MMM). While inorganic zeolites and organic polymers do not match well, the preparation of defect-free MOF-based MMMs is much easier. However, some problems can also occur during the preparation. Solutions how to avoid them and prepare perfect MMMs are given. In practical gas separation, the selectivity of the MMMs was found to be even higher than predicted by the Maxwell model.
引用
收藏
页码:1788 / 1797
页数:10
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