期刊
POLYMERS
卷 9, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/polym9120715
关键词
nanofiltration; ion pairs; polyelectrolyte membranes; zwitterionic membranes; charged mosaic membranes
资金
- National Natural Science Foundation of China [21676233, 21776252]
- National Basic Research Program of China [2015CB655303]
- Zhejiang Provincial Collaborative Innovation Center Program [G1504126001900]
In the face of serious environmental pollution and water scarcity problems, the membrane separation technique, especially high efficiency, low energy consumption, and environmental friendly nanofiltration, has been quickly developed. Separation membranes with high permeability, good selectivity, and strong antifouling properties are critical for water treatment and green chemical processing. In recent years, researchers have paid more and more attention to the development of high performance nanofiltration membranes containing ion pairs. In this review, the effects of ion pairs characteristics, such as the super-hydrophilicity, controllable charge character, and antifouling property, on nanofiltration performances are discussed. A systematic survey was carried out on the various approaches and multiple regulation factors in the fabrication of polyelectrolyte complex membranes, zwitterionic membranes, and charged mosaic membranes, respectively. The mass transport behavior and antifouling mechanism of the membranes with ion pairs are also discussed. Finally, we present a brief perspective on the future development of advanced nanofiltration membranes with ion pairs.
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