详细介绍了表面改性法和膜基体改性法的原理、特点及其改性效果,总结了近3年来单价选择性阴离子交换改性的研究进展并对不同改性方法进行了评价。结果表明,膜改性是一种提高单价选择性阴离子交换膜的渗透选择性、离子通量和抗污染性能的有效方法。最后分析了限制单价选择性阴离子交换膜量产的因素,并展望了单价选择性阴离子交换膜可能的量产方向。

The principles and characteristics of surface modification and membrane matrix modification methods and their modification effects are introduced.Research progress on the modification of monovalent selective anion exchange in the past three years is summarized,and different modification methods are evaluated.Results show that membrane modification is an effective method to improve the permeation selectivity,ion flux,and contamination resistance of monovalent selective anion exchange membranes.The factors limiting the mass production of monovalent selective anion exchange membranes are analyzed,and the possible directions of mass production of monovalent selective anion exchange membranes are prospected.

韩非(1981-),男,博士,副教授,研究方向为膜法水处理技术,hanfei@hebut.edu.cn。