Research progress of ultrafiltration membranes modified by porous nanomaterials for water treatment

被引：0
|
作者：
Chen J. [1 ]
Dai R. [1 ]
Tian C. [1 ]
Wang Z. [1 ,2 ]
机构：
[1] College of Environmental Science and Engineering, Tongji University, Shanghai
[2] State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai
来源：
Huagong Jinzhan/Chemical Industry and Engineering Progress | 2022年 / 41卷 / 01期
关键词：
Environment; Membranes; Modification; Porous nanomaterials; Ultrafiltration; Water treatment;
D O I：
10.16085/j.issn.1000-6613.2021-0160
中图分类号：
学科分类号：
摘要：
Pressure-driven ultrafiltration membranes suffer from the trade-off between permeability and selectivity, as well as membrane fouling during filtration. Porous nanomaterials are an important category of additives in ultrafiltration membranes modification and also a research hotspot of novel functional membranes for water treatment. It has been reported that the introduction of porous nanomaterials into the ultrafiltration membrane has the potential to overcome the permeability-selectivity trade-off effect by simultaneously enhancing the membrane permeability and contaminants rejection efficiency thanks to the provision of extra water channels as well as the creation of highly selective nanochannels by the adjustable pore size. Meanwhile, the incorporation of hydrophilic porous nanomaterials is beneficial to improve the antifouling properties of ultrafiltration membranes. In this paper, the modification methods and the research progress of ultrafiltration membranes modified by porous nanomaterials including microporous zeolites, mesoporous carbon, mesoporous silica, metal organic frameworks (MOFs) and covalent organic frameworks (COFs) for water treatment are reviewed. The modification effects of different porous nanomaterials are evaluated based on the membrane hydrophilicity, permeability and antifouling property. Finally, perspectives of research and application on ultrafiltration membranes modified by porous nanomaterials for water treatment are proposed. © 2022, Chemical Industry Press Co., Ltd. All right reserved.
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页码：264 / 276
页数：12
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