Optimization of the intermittent chlorine injection (ICI) method for seawater desalination RO plants

被引：12
|
作者：
Fujiwara, Nobuya [1 ,2 ]
Matsuyama, Hideto [1 ]
机构：
[1] Kobe Univ, Dept Sci & Chem Engn, Nada Ku, Kobe, Hyogo 6578501, Japan
[2] Toyobo Co Ltd, Desalinat Membrane Operating Dept, Kita Ku, Osaka 5308230, Japan
来源：
DESALINATION | 2008年 / 229卷 / 1-3期
关键词：
reverse osmosis membrane; intermittent chlorine injection; heavy metal; performance prediction; biological fouling;
D O I：
10.1016/j.desal.2007.09.010
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The major trouble in the RO method of seawater desalination is biological fouling (biofouling) by microorganism multiplication. By carrying Out direct clilorine sterilization of the RO membrane with an Intermittent chlorine injection (ICI) method, biofouling trouble is eliminated. In this work, change of characteristics of a cellulose triacetate (CTA) membrane in the case of chlorine injection to seawater containing heavy metals was established quantitatively by experiments and development of a performance prediction formula for the CTA membrane. In addition, the validity of the performance prediction formula was verified by comparing with the actual performance change in the desalination plants. Finally, optimization of ICI condition was attained by using this newly established prediction formula.
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页码：231 / 244
页数：14
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