Extraction of Actinides and Lanthanides(III) from Nitric Acid Solutions with Mixtures of N-(Diphenylphosphoryl)-N'-propylureas with ω-Nitrogen-Containing Groups and Dinonylnaphthalenesulfonic Acid

被引:0
|
作者
Turanov, A. N. [1 ]
Karandashev, V. K. [2 ]
Baulina, T. V. [3 ]
Goryunov, E. I. [3 ]
Brel, V. K. [3 ]
机构
[1] Russian Acad Sci, Osipyan Inst Solid State Phys, Chernogolovka 142432, Moscow Oblast, Russia
[2] Russian Acad Sci, Inst Microelect Technol & High Pur Mat, Chernogolovka 142432, Moscow Oblast, Russia
[3] Russian Acad Sci, Nesmeyanov Inst Organoelement Cpds, Moscow 119991, Russia
关键词
synergism; uranium(VI); thorium(IV); phosphine oxides; BINARY EXTRACTANTS; LIGANDS; SEPARATION; RECOVERY; WASTES; OXIDES;
D O I
10.1134/S0036023623600399
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Extraction of uranium, thorium, and lanthanide(III) ions from nitric acid solutions with mixtures of dinonylnaphthalenesulfonic acid and N-(diphenylphosphoryl)-N'-n-propylureas containing imidazolyl, diethylamino, pyrid-2-yl, and 2-oxopyrrolidine fragments has been studied in organic solvents. Considerable synergetic effect on extraction of metal ions with mixtures of dinonylnaphthalenesulfonic acid and N-(diphenylphosphoryl)-N'-[3-(2-oxopyrrolidino)propyl]urea has been revealed. Stoichiometry of extracted complexes has been determined. Effect of extractant strucuture, organic diluent nature, and HNO3 content in aqueous phase on extraction efficiency of metal cations into organic medium has been accessed.
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页码:587 / 592
页数:6
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