Electrodeionization of a Ni2+ solution using highly hydrated zirconium hydrophosphate

被引：26
作者：
Rozhdestvenska, L. M. [1 ]
Dzyazko, Y. S. [1 ]
Belyakov, V. N. [1 ]
机构：
[1] NASU, VI Vernadskii Inst Gen & Inorgan Chem, UA-03142 Kiev 142, Ukraine
来源：
DESALINATION | 2006年 / 198卷 / 1-3期
关键词：
cation exchange; desalination; electrodeionizaton; electrodialysis; migration; COMBINING ION-EXCHANGE; NICKEL IONS; REMOVAL; MIGRATION;
D O I：
10.1016/j.desal.2006.02.007
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Ni2+ transport in zirconium hydrophosphate containing 85% water was investigated with the electromigration method. An effective diffusion coefficient of Ni2+ was found to reach 1.14x10(-11) m(2)s(-1). It was shownthat zirconium hydrophosphate can be used for discontinuous Ni2+ removal from diluted solutions also containing Ca2+ and Mg2+ ions. The highest purification degree was realized for nickel (77%) and did not exceed 35% for other cations. Ni2+ ions were shown to be transported not only through the solution, but also through the ion exchanger.
引用
收藏
页码：247 / 255
页数：9
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