Optimization of polyamide selective layer for preparation of high permselectivity reverse osmosis membranes

被引：0
作者：
Du J. [1 ]
Wang Z. [1 ]
Li X. [1 ]
Wang J. [1 ]
机构：
[1] Chemical Engineering Research Center, School of Chemical Engineering and Technology, Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin
来源：
Huagong Xuebao/CIESC Journal | 2020年 / 71卷 / 11期
关键词：
Membrane; Nanomaterials; Permselectivity; Polyamide selective layer; Polymers; Reverse osmosis;
D O I：
10.11949/0438-1157.20200305
中图分类号：
学科分类号：
摘要：
Reverse osmosis (RO) membrane separation technology has become an effective means to solve the shortage of water resources at this stage due to its high efficiency, low consumption and high quality of produced water. Further improving the permseletivity of reverse osmosis membranes is conducive to reducing operating costs and improving water quality. Therefore, the preparation of RO membranes with high permseletivity has always been the focus of research in the field of membranes. In this paper, the research on improving the permseletivity of RO membranes by optimizing the interfacial polymerization process, developing new membrane-preparing technologies, and optimizing the supports in recent years are reviewed. The structure and property of the selective layer can be directly changed by optimizing the interfacial polymerization process and developing new membrane-preparing technologies. The reasonable adjustment in the pore size, porosity, and hydrophobicity of the support can also optimize the structure and properties of the selective layer, thereby improving the performance of the RO membranes. Finally, the research directions and development prospect for preparing reverse osmosis membranes with high permseletivity are summarized and prospected. © 2020, Chemical Industry Press Co., Ltd. All right reserved.
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页码：4885 / 4902
页数：17
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