Porosity of some commercial reverse osmosis and nanofiltration polyamide thin-film composite membranes

被引：124
|
作者：
Kosutic, K [1 ]
Kastelan-Kunst, L [1 ]
Kunst, B [1 ]
机构：
[1] Univ Zagreb, Fac Chem Engn & Technol, Zagreb 10000, Croatia
来源：
JOURNAL OF MEMBRANE SCIENCE | 2000年 / 168卷 / 1-2期
关键词：
composite membranes; reverse osmosis; nanofiltration; porosity; pore size distribution; effective number of pores; membrane performance;
D O I：
10.1016/S0376-7388(99)00309-9
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The objective of this study was to determine porosity parameters of some commercial polyamide thin-film composite membranes, and to explain their influence on membrane performance. Experiments were performed at two operating pressures using model inorganic and organic aqueous solutions. Pore size distributions and the effective number of pores in the upper membrane layer were calculated from the experimental results. The performances of the examined membranes were explained using the calculated porosity parameters. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：101 / 108
页数：8
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