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Nonaqueous Chlorination of Uranium Metal in Tributyl Phosphate

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Abstract

Low-temperature chlorination of uranium metal in the TBP-TCE-Cl2 systems was studied. Dissolution of uranium in the dipolar aprotic solvent proceeds with formation of U(IV) compounds. The activation energy of this process is 31.24 kJ mol−1, and relative reaction order with respect to Cl2 is 2. The effect of TBP concentration on chlorination was examined. The chlorination rate sharply increases at a water content in the TBP-TCE system of 0.2–0.6 vol %.

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Authors and Affiliations

  1. Russian Research Institute of Chemical Technology, Moscow, Russia

    E. P. Buchikhin, A. Yu. Kuznetsov & V. V. Shatalov

  2. Mendeleev Russian University of Chemical Engineering, Moscow, Russia

    V. L. Vidanov & A. M. Chekmarev

Authors
  1. E. P. Buchikhin
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  2. A. Yu. Kuznetsov
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  3. V. L. Vidanov
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  4. V. V. Shatalov
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  5. A. M. Chekmarev
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__________

Translated from Radiokhimiya, Vol. 47, No. 3, 2005, pp. 239–241.

Original Russian Text Copyright © 2005 by Buchikhin, Kuznetsov, Vidanov, Shatalov, Chekmarev.

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Buchikhin, E.P., Kuznetsov, A.Y., Vidanov, V.L. et al. Nonaqueous Chlorination of Uranium Metal in Tributyl Phosphate. Radiochemistry 47, 263–265 (2005). https://doi.org/10.1007/s11137-005-0084-8

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  • DOI: https://doi.org/10.1007/s11137-005-0084-8

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