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Radiation resistance of hydrocarbon diluents of tributyl phosphate in a two-phase system and carbonate regeneration of the solvent

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Abstract

A comparative study in the cyclic mode of the radiation resistance of TBP solutions in Isopar-M isoparaffin diluent and in C-13 narrow n-paraffin fraction, which is the major factor determining the stability of the hydrodynamic parameters of the extraction system, revealed certain advantages of Isopar-M, despite higher yield of carboxylic acids. Also, the systems with C-13 exhibit considerably higher hydrodynamic stability compared to the systems with RED-1 n-paraffin diluent. The possibility of extending the diluent operation life to a dose of 400 kGy by using a weakly alkaline carbonate solution for intracycle solvent regeneration was demonstrated.

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Authors and Affiliations

  1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, korp. 4, Moscow, 119071, Russia

    Z. V. Dzhivanova, E. V. Belova, G. P. Tkhorzhnitskii, D. I. Danilin, M. I. Kadyko & B. F. Myasoedov

  2. Khlopin Radium Institute, 2-i Murinskii pr. 28, St. Petersburg, 194021, Russia

    B. Ya. Zilberman, I. V. Blazheva, N. D. Goletskii, A. A. Murzin & D. V. Ryabkov

Authors
  1. Z. V. Dzhivanova
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  2. E. V. Belova
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  3. G. P. Tkhorzhnitskii
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  4. D. I. Danilin
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  5. M. I. Kadyko
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  6. B. F. Myasoedov
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  7. B. Ya. Zilberman
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  8. I. V. Blazheva
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  9. N. D. Goletskii
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  10. A. A. Murzin
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  11. D. V. Ryabkov
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Corresponding author

Correspondence to N. D. Goletskii.

Additional information

Original Russian Text © Z.V. Dzhivanova, E.V. Belova, G.P. Tkhorzhnitskii, D I. Danilin, M.I. Kadyko, B.F. Myasoedov, B.Ya. Zilberman, I.V. Blazheva, N.D. Goletskii, A.A. Murzin, D.V. Ryabkov, 2015, published in Radiokhimiya, 2015, Vol. 57, No. 2, pp. 124–131.

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Dzhivanova, Z.V., Belova, E.V., Tkhorzhnitskii, G.P. et al. Radiation resistance of hydrocarbon diluents of tributyl phosphate in a two-phase system and carbonate regeneration of the solvent. Radiochemistry 57, 143–151 (2015). https://doi.org/10.1134/S106636221502006X

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  • DOI: https://doi.org/10.1134/S106636221502006X

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