Sulfur donating extractants for the separation of trivalent actinides and lanthanides

被引：56
|
作者：
Bessen, N. P. [1 ]
Jackson, J. A. [1 ,2 ]
Jensen, M. P. [1 ,2 ]
Shafer, J. C. [1 ,2 ]
机构：
[1] Colorado Sch Mines, Dept Chem, 1500 Illinois St, Golden, CO 80401 USA
[2] Colorado Sch Mines, Nucl Sci & Engn, 1500 Illinois St, Golden, CO 80401 USA
来源：
COORDINATION CHEMISTRY REVIEWS | 2020年 / 421卷
关键词：
Solvent extraction; Lanthanide; Actinide; Soft donors; Separations; Sulfur; BIS(2,4,4-TRIMETHYLPENTYL) DITHIOPHOSPHINIC ACID; SELECTIVE EXTRACTION; CYANEX; 301; SOLVENT-EXTRACTION; W/O MICROEMULSIONS; COMPLEXES; AM(III); AMERICIUM(III); EU(III); COORDINATION;
D O I：
10.1016/j.ccr.2020.213446
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The effective separation of trivalent actinides and lanthanides is capable of reducing the long term radiation hazard associated with used nuclear fuel. This class of separation exploits the tendency of ligands containing large and polarizable soft donor atoms to preferentially bind to the trivalent actinides instead of the lanthanides. Among the soft donors, nitrogen and sulfur based ligands have received the most attention with sulfur donors generally having greater selectivity for the actinides. Herein, the speciation, mechanism, and selectivity for the extraction of lanthanides and actinides from aqueous media into an organic phase by various sulfur containing extractants is reviewed. (C) 2020 Elsevier B.V. All rights reserved.
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页数：15
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