期刊
COORDINATION CHEMISTRY REVIEWS
卷 421, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2020.213446
关键词
Solvent extraction; Lanthanide; Actinide; Soft donors; Separations; Sulfur
资金
- U.S. Department of Energy Office of Science, Office of Basic Energy Sciences, Heavy Elements Chemistry Program at Colorado School of Mines [DE-SC0020189]
- U.S. Department of Energy (DOE) [DE-SC0020189] Funding Source: U.S. Department of Energy (DOE)
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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