反渗透复合膜的表面特性及表面改性

被引:10
作者
邬迪华 [1 ]
朱碧文 [2 ]
俞三传 [1 ]
机构
[1] 浙江理工大学化学系
[2] 浙江国际招(投)标公司
基金
浙江省自然科学基金;
关键词
反渗透复合膜; 表面性质; 粗糙度; 亲水性; 表面电荷; 表面改性;
D O I
10.16796/j.cnki.1000-3770.2009.05.004
中图分类号
TQ028.8 [新型分离法];
学科分类号
081701 ; 081704 ;
摘要
对反渗透复合膜的表面特性及其改性方法作详细综述,以期为高性能反渗透复合膜的研制提供一定的理论指导。反渗透复合膜的表面特性(如表面粗糙度、亲水性、表面电荷等)对反渗透膜的通量、截流率和抗污染性能等具有重大影响,光滑、亲水、电中性的膜具有较好的分离性能,特别是抗污染性。表面涂层、接枝、水解等表面改性技术,可有效实现对反渗透复合膜表面性质的调控和加工,改进和优化复合膜表面的粗糙度、亲水性、荷电特性,实现对复合膜性能的调节和优化。
引用
收藏
页码:11 / 15+20 +20
页数:6
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