Separation of cobalt and nickel using a thermomorphic ionic-liquid-based aqueous biphasic system

被引:63
作者
Onghena, Bieke [1 ]
Opsomer, Tomas [1 ]
Binnemans, Koen [1 ]
机构
[1] Katholieke Univ Leuven, Dept Chem, B-3001 Heverlee, Belgium
关键词
SOLVENT-EXTRACTION; RARE-EARTHS; METAL-IONS; TEMPERATURE; SALTS;
D O I
10.1039/c5cc06595j
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A [P-44414][Cl]-NaCl-H2O ionic liquid-based aqueous biphasic system shows promising results for the separation of cobalt(II) and nickel(II) by homogeneous liquid-liquid extraction. The extracting phase consists of a hydrophilic ionic liquid that is salted-out by sodium chloride, indicating that there is no need for using hydrophobic ionic liquids.
引用
收藏
页码:15932 / 15935
页数:4
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