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Synthesis of Mixed Actinide Oxides Using Microwave Radiation

Author

Listed:
  • Konstantin Dvoeglazov

    (PRORYV JSC, 107140 Moscow, Russia)

  • Yury Kulyako

    (Vernadsky Institute of Geochemistry and Analytical Chemistry of RAS, 119991 Moscow, Russia)

  • Sergey Vinokurov

    (Vernadsky Institute of Geochemistry and Analytical Chemistry of RAS, 119991 Moscow, Russia)

  • Boris Myasoedov

    (Vernadsky Institute of Geochemistry and Analytical Chemistry of RAS, 119991 Moscow, Russia)

  • Mikhail Dmitriev

    (State Scientific Centre–The Research Institute of Atomic Reactors JSC, 433510 Dimitrovgrad, Russia)

  • Oleg Ushakov

    (Siberian Chemical Combine JSC, 636039 Seversk, Russia)

  • Yuri Mochalov

    (PRORYV JSC, 107140 Moscow, Russia)

  • Andrei Shadrin

    (PRORYV JSC, 107140 Moscow, Russia)

  • Pavel Smolkin

    (Siberian Chemical Combine JSC, 636039 Seversk, Russia)

Abstract

A method has been developed for producing mixed actinide oxides suitable for fabricating mixed nitride uranium plutonium fuel for fast neutron reactors. The method is based on the use of microwave radiation for the direct denitration of actinide nitrate solutions. The possibility of producing uranium, plutonium, and neptunium-mixed oxides was shown. A pilot installation for preparing actinide oxides by microwave denitration was designed and tested. Mixed oxides of uranium and cerium (for plutonium imitation) were successfully used to synthesize uranium cerium nitrides and produce fuel pellets. Compared with the precipitation (ammonia) method of producing mixed oxides, microwave denitration reduces the generation of secondary liquid radioactive waste by more than six times.

Suggested Citation

  • Konstantin Dvoeglazov & Yury Kulyako & Sergey Vinokurov & Boris Myasoedov & Mikhail Dmitriev & Oleg Ushakov & Yuri Mochalov & Andrei Shadrin & Pavel Smolkin, 2022. "Synthesis of Mixed Actinide Oxides Using Microwave Radiation," Energies, MDPI, vol. 15(18), pages 1-9, September.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:18:p:6618-:d:911525
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    Citations

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    Cited by:

    1. Konstantin S. Pilyushenko & Maxim S. Dmitriyev & Sergey E. Vinokurov & Trofim I. Trofimov & Boris V. Saveliyev & Alexander I. Kuznetsov & Alexander A. Uvarov & Boris F. Myasoedov, 2022. "Sintering of Industrial Uranium Dioxide Pellets Using Microwave Radiation for Nuclear Fuel Fabrication," Energies, MDPI, vol. 15(23), pages 1-8, December.

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