Transfer of monovalent and divalent cations in salt solutions by electrodialysis

被引：107
作者：
Firdaous, L.
Maleriat, J.-P.
Schlumpf, J.-P.
Quemeneur, F.
机构：
[1] Polytech Lille, Lab Procedes Biol Genie Enzymat & Microbien, ProBioGem UPRES EA 1026, F-59655 Villeneuve Dascq, France
[2] Univ Nantes, Nantes Atlantique Univ, St Nazaire, France
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2007年 / 42卷 / 05期
关键词：
electrodialysis; monovalention; ion selective membranes; monovalent and divalent cations mixtures; competitive transport;
D O I：
10.1080/01496390701206413
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The selectivity mechanism of transport of Na+, Ca2+ and Mg2+ through commercial monovalent-cation permselective membranes is investigated in batch electrodialysis experiments with synthetic salt solutions containing monovalent and divalent cations. The role of hydration energy, steric effect, kinetic effect as well as effects of permselectivity of cation exchange membrane has been elucidated with electrodialysis of single solutions (NaCl, CaCl2, MgCl2). The mechanism of interferences is investigated in (Na+/Ca2+, Na+/Mg2+, Ca2+/Mg2+ and Na+/Ca2+/Mg2+) mixtures.
引用
收藏
页码：931 / 948
页数：18
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