Interactions between natural organic matter (NOM) and membranes: Rejection and fouling

被引：100
|
作者：
Amy, G [1 ]
Cho, J [1 ]
机构：
[1] Univ Colorado, Boulder, CO 80309 USA
来源：
WATER SCIENCE AND TECHNOLOGY | 1999年 / 40卷 / 09期
关键词：
fouling; humic substances; membranes; natural organic matter; rejection;
D O I：
10.1016/S0273-1223(99)00649-6
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This work demonstrates that interactions between membranes and natural organic matter (NOM) include rejection by both steric and electrostatic exclusion, and fouling by adsorption. NOM rejection and fouling are influenced by both NOM characteristics (molecular weight, aromaticity:humic content, and charge) and membrane properties (molecular weight cutoff (MWCO), hydrophobicity, and charge) as well as hydrodynamic operating conditions represented by a f/k ratio(the ratio of permeate flux (f) to a diffusional back-transport mass transfer coefficient (k)). (C) 1999 Published by Elsevier Science Ltd on behalf of the IAWQ. All rights reserved.
引用
收藏
页码：131 / 139
页数：9
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