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Ligands for f-element extraction used in the nuclear fuel cycle

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Abstract

Liquid–liquid extraction is the major technique being applied for the partitioning of f-elements from nuclear waste. In this review, the recent developments in ligand design, optimization and extraction properties are summarised for the main classes of extractants (organophosphorus ligands, diamides and N-heterocycles), with a focus on the separation of actinides and lanthanides. Structural modifications, pre-organisation and different solvent systems, as key factors for the fine-tuning of the extraction properties, are discussed. From this review, it appears that small modifications of the structure of the ligand, the pre-organising platform or the solvent can have significant impact on the extraction (and separation) of metal ions. Interest in the combinations of ligands for the extraction processes is growing, since they provide improvements over individual ligands. Similarly, unconventional approaches are being pursued to develop more efficient and greener processes.

Graphical abstract: Ligands for f-element extraction used in the nuclear fuel cycle

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Publication details

The article was received on 12 Sep 2017 and first published on 07 Nov 2017


Article type: Review Article
DOI: 10.1039/C7CS00574A
Citation: Chem. Soc. Rev., 2017, Advance Article
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    Ligands for f-element extraction used in the nuclear fuel cycle

    A. Leoncini, J. Huskens and W. Verboom, Chem. Soc. Rev., 2017, Advance Article , DOI: 10.1039/C7CS00574A

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