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An overview and historical look back at the solvent extraction using nitrogen donor ligands to extract and separate An(III) from Ln(III)

Ekberg, C., Fermvik, A., Retegan, T., Skarnemark, G., Foreman, M. R. S., Hudson, M. J., Englund, S. and Nilsson, M. (2008) An overview and historical look back at the solvent extraction using nitrogen donor ligands to extract and separate An(III) from Ln(III). Radiochimica Acta, 96 (4-5). pp. 225-233. ISSN 0033-8230

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To link to this item DOI: 10.1524/ract.2008.1483

Abstract/Summary

The partitioning of minor trivalent actinides (An) from lanthanides (Ln) is one of the challenges in the chemical treatment of nuclear waste. The optimal ligand to carry out the separation of An(III) and Ln(III) using solvent extraction has to meet several important criteria: high selectivity towards the solute, chemical and radiolytic stability, stripping possibilities and recycling of the organic phase, high separation factors and good distribution ratio, to name just a few of them. A chronological line can be drawn along the development of each extraction ligand family and some milestones are emphasized in this overview. Further developments in organic synthesis of extracting ligands are expected.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:11242
Uncontrolled Keywords:solvent extraction, actinides, lanthanides, partitioning, ligands, separation factor, pyridine, 2-BROMODECANOIC ACID, SELECTIVE EXTRACTION, CARBOXYLIC-ACIDS, AMERICIUM(III), COMPLEXES, BEHAVIOR, LANTHANIDES, MOLECULES, ACTINIDES, ELEMENTS

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