电渗析
海水淡化
结垢
膜污染
离子交换
化学
膜
过程(计算)
纳滤
化学工程
水处理
色谱法
超滤(肾)
离子交换膜
离子
工程类
有机化学
计算机科学
生物化学
操作系统
作者
Hong-Joo Lee,Min-Kyoung Hong,Sang-Don Han,Seung-Hee Cho,Seung-Hyeon Moon
出处
期刊:Desalination
[Elsevier]
日期:2009-03-01
卷期号:238 (1-3): 60-69
被引量:115
标识
DOI:10.1016/j.desal.2008.01.036
摘要
Interest in desalination using membrane processes has increased with the growth of membrane science and technology. Fouling of ion exchange membranes is one of the most significant considerations in the operation of the electrodialysis desalination process. The influence of the adsorption capacity of foulants on the fouling potential was investigated in an electrodialysis desalination process in the presence of negatively charged organic foulants, humate, bovine serum albumin and sodium dodecylbenzenesulfonate (SDBS). The SDBS showed higher adsorption capacity on the anion exchange membrane surface than the other two foulants in the adsorption equilibrium experiments. Of three different organic foulants, the SDBS had a more severe fouling effect on the process performance in the electrodialysis desalination of synthetic brackish water, with irreversible fouling due to the high adsorption capacity. The study clearly showed that the adsorption capacity affects the fouling potential of the electrodialysis desalination process.
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