Is a universal model to describe liquid-liquid extraction of cations by use of ionic liquids in reach?

被引:63
作者
Billard, Isabelle [1 ,2 ]
Ouadi, Ali [1 ,2 ]
Gaillard, Clotilde [3 ]
机构
[1] IPHC DRS, F-67037 Strasbourg 2, France
[2] Strasbourg Univ, Radiochem Grp, F-67037 Strasbourg 2, France
[3] IPN Lyon, UMR 5822, F-69622 Villeurbanne, France
关键词
METAL-IONS; STRUCTURAL VARIATIONS; FACILITATED TRANSFER; SOLVENT-EXTRACTION; LANTHANIDES; MECHANISM; BEHAVIOR; DIGLYCOLAMIDE; URANIUM(VI); ACID;
D O I
10.1039/c3dt32159b
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A general chemical model describing the extraction mechanism of cations from an acidified aqueous phase toward an ionic liquid phase in which an extracting agent is dissolved is proposed. On this basis, fits are made which recover very satisfactorily the variation of the distribution ratio as a function of [HNO3] for several experimental data sets from the literature. This chemical model is discussed and compared to another model.
引用
收藏
页码:6203 / 6212
页数:10
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