Effect of Ionic Liquid on the Extraction of Actinides and Lanthanides(III) with Phosphorylureas from Nitric Acid Solutions

被引:0
|
作者
Turanov, A. N. [1 ]
Karandashev, V. K. [2 ]
Goryunov, E. I. [3 ]
Goryunova, I. B. [3 ]
Brel, V. K. [3 ]
机构
[1] Russian Acad Sci, Osipyan Inst Solid State Phys, Chernogolovka 142432, Russia
[2] Russian Acad Sci, Inst Microelect Technol & High Pur Mat, Chernogolovka 142432, Russia
[3] Russian Acad Sci, Nesmeyanov Inst Organoelement Cpds, Moscow 119334, Russia
关键词
extraction; synergism; uranium(VI); thorium(IV); lanthanides(III); phosphorylureas; ionic liquids; COORDINATION; RECOVERY; LIGANDS; WASTES; OXIDES;
D O I
10.1134/S0036023624601533
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Effect of ionic liquid 1-butyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide on the extraction of U(VI), Th(IV), and lanthanides(III) from nitric acid solutions with phosphorylureas RR'P(O)NHC(O)NHC8H17-n that differ in the nature of substituents at the phosphorus atom has been studied. A considerable synergistic effect has been revealed on the extraction of metal ions in the presence of the ionic liquid in organic phase. The stoichiometry of extracted complexes has been determined. The influence of extractant structure, organic diluent nature, and HNO3 concentration in aqueous phase on the efficiency of metal ions extraction into organic phase has been considered.
引用
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页码:1240 / 1246
页数:7
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