Abstract
“Mayak” production association has convincingly demonstrated the possibility of creating a HLW partitioning scheme based on different radical phosphine oxide in heavy fluorinated or chlorinated diluents, including in the presence of tributyl phosphate. The separation system makes it possible to efficiently recover uranium, plutonium, neptunium, REE–TPE, as well as technetium from solutions (up to 2 M) in HNO3 and separate them into at least two fractions: a fraction of trivalent REE/TPE with the bulk of technetium and a fraction of polyvalent actinides.
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Translated from Radiokhimiya, No. 5, pp. 438–459, October, 2022 https://doi.org/10.31857/S0033831122050021
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Logunov, M.V., Voroshilov, Y.A. & Babain, V.A. Development of HLW Partitioning Technologies in Extraction Systems Based on Different Radical Phosphine Oxide in Heavy Diluents at “PA Mayak”. Radiochemistry 64, 581–602 (2022). https://doi.org/10.1134/S1066362222050022
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DOI: https://doi.org/10.1134/S1066362222050022