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Five functions of sodium fast reactors in two-component nuclear energy

Ivan V. Burievsky, Andrey V. Gulevich, Olga Stanislavovna Gurskaya, Viktor M. Dekusar and 8 more

Nuclear Energy and Technology | Sep 25, 2026

Abstract

Abstract

Today, thermal reactors, which are the basis of modern Russian nuclear energy, can consume plutonium, but in limited quantities and with a low content of threshold isotopes, so their fuel supply is actually limited by natural uranium reserves. Fast reactor technology was created for extended production of plutonium and their fuel supply capabilities are limited by the resources of 238U, which is two orders of magnitude more than 235U. The paper presents the following possible functions of fast reactors in the future two-component nuclear energy system, the transition to which in the coming decades is a strategic goal of the Rosatom State Corporation: electricity generation; maintenance the balance of plutonium in the system of fast and thermal reactors; “refinement” of plutonium from spent nuclear fuel in thermal reactors; disposal of long-lived nuclear energy wastes; production of isotopes highly demanded by the industry and medicine. Obviously, the specialized fast reactors creation will be required to increase the efficiency of these functions. As a result, thermal and fast reactors can be used to create a sustainable, multi-functional and waste-free new nuclear power industry with an almost unlimited fuel resource.

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Authors

Researchers on this paper

Ivan V. Burievsky

first | Institute for Physics and Power Engineering

Andrey V. Gulevich

middle | Institute for Physics and Power Engineering

Olga Stanislavovna Gurskaya

middle | Institute for Physics and Power Engineering

Viktor M. Dekusar

middle | Institute for Physics and Power Engineering

Vladimir Alekseevich Eliseev

middle | Institute for Physics and Power Engineering

Nikita A. Zakirov

middle | Institute for Physics and Power Engineering

Kirill Alekseevich Isanov

middle | Institute for Physics and Power Engineering

Valery V. Korobeynikov

middle | Institute for Physics and Power Engineering

Yulia A. Kuzina

middle | Institute for Physics and Power Engineering

Andrey L. Moseev

middle | Institute for Physics and Power Engineering

V. M. Troyanov

middle | Institute for Physics and Power Engineering

Ruben A. Shaginyan

last | Institute for Physics and Power Engineering

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Citation

BibTeX

@article{Burievsky2026Five,
  title = {Five functions of sodium fast reactors in two-component nuclear energy},
  author = {Ivan V. Burievsky and Andrey V. Gulevich and Olga Stanislavovna Gurskaya and Viktor M. Dekusar and Vladimir Alekseevich Eliseev and Nikita A. Zakirov and Kirill Alekseevich Isanov and Valery V. Korobeynikov and Yulia A. Kuzina and Andrey L. Moseev and V. M. Troyanov and Ruben A. Shaginyan},
  journal = {Nuclear Energy and Technology},
  year = {2026},
  doi = {10.3897/nucet.12.215113},
  url = {https://doi.org/10.3897/nucet.12.215113}
}

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