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Kinetics of americium(VI) mass transfer through solid supported liquid membrane with HDEHP

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Abstract

The main regularities of membrane extraction of americium under conditions of different redox potentials in aqueous phases have been studied. The physico-chemical model of the process including steps of americium oxidation in feed solution, extraction by membrane, partial reduction on membrane surface, trans-membrane diffusion and reextraction to strip solution has been developed. The calculation of reduction rate constant on membrane surface has been carried out.

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Authors and Affiliations

  1. Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, 117975, Moscow, GSP-I V-334, Russia

    M. N. Mikheeva, A. P. Novikov, B. F. Myasoedov & S. V. Tikhomirov

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  1. M. N. Mikheeva
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  2. A. P. Novikov
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  3. B. F. Myasoedov
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  4. S. V. Tikhomirov
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Mikheeva, M.N., Novikov, A.P., Myasoedov, B.F. et al. Kinetics of americium(VI) mass transfer through solid supported liquid membrane with HDEHP. Journal of Radioanalytical and Nuclear Chemistry, Articles 185, 265–271 (1994). https://doi.org/10.1007/BF02041300

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  • DOI: https://doi.org/10.1007/BF02041300

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