Effect of ionic liquids on the extraction of rare-earth elements by bidentate neutral organophosphorus compounds from chloride solutions

被引：0
|
作者：
A. N. Turanov
V. K. Karandashev
V. E. Baulin
机构：
[1] Russian Academy of Sciences,Institute of Solid
[2] Russian Academy of Sciences,State Physics
[3] Russian Academy of Sciences,Institute of Microelectronics and High Purity Substances
来源：
Russian Journal of Inorganic Chemistry | 2008年 / 53卷
关键词：
Ionic Liquid; Dichloroethane; Phosphine Oxide; Organic Diluent; Methyltrioctylammonium;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The partition of microamounts of lanthanide chlorides (Ln = La, Ce, Pr, Nd, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Y) between aqueous HCl and organic solutions of tetraphenylmethylenediphosphine dioxide, diphenyl(diethylcarbamoylmethyl)phosphine oxide, and dibutyl(diethylcarbamoylmethyl)phosphine oxide was studied in the presence of ionic liquids (ILs): 1-butyl-3-methylimidazolium hexafluorophosphate and 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide. The stoichiometry of extracted complexes was determined. The effect of the aqueous HCl concentration, the nature of the extractant, and the organic diluent on the efficiency of lanthanide extraction was studied.
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页码：970 / 975
页数：5
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