Batch ion-exchange dialysis to extract nitrate from drinking water: a simplified ion transport model for the best membrane selection

被引：19

作者：

Schaetzel, P ^{[1
]}

Amang, DN ^{[1
]}

Nguyen, QT ^{[1
]}

机构：

[1] Univ Caen, Dept Genie Chim, IUT, Lab Proc Mat, F-14032 Caen, France

来源：

DESALINATION | 2004年 / 164卷 / 03期

关键词：

ion-exchange dialysis; nitrate; ion transport model; membranes;

D O I：

10.1016/S0011-9164(04)00194-8

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The performances of four commercial anion-exchange membranes in the extraction of nitrate ions from water were compared in dialysis against a concentrated sodium chloride solution. The characteristic time derived from a simplified transport model for ion dialysis appears to be a convenient quantitative criterion for a selection of the best membrane for the removal of an undesirable ion. For the nitrate removal from sulfate-containing water to make it drinkable, the Neosepta ACS anion-exchange membrane appears to be the best choice due to the fast and selective removal of nitrate obtained.

引用

页码：261 / 268

页数：8

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