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Decommissioning of the BN-350 Fast Neutron Reactor: History Review and Current Status

Author

Listed:
  • Nurzhan Mukhamedov

    (Institute of Atomic Energy NNC RK, 10 Beibyt Atom st., Kurchatov 180010, Kazakhstan)

  • Kuanyshbek Toleubekov

    (Institute of Atomic Energy NNC RK, 10 Beibyt Atom st., Kurchatov 180010, Kazakhstan)

  • Galina Vityuk

    (Institute of Atomic Energy NNC RK, 10 Beibyt Atom st., Kurchatov 180010, Kazakhstan)

  • Maxat Bekmuldin

    (Institute of Atomic Energy NNC RK, 10 Beibyt Atom st., Kurchatov 180010, Kazakhstan)

  • Sergey Dolzhikov

    (Institute of Atomic Energy NNC RK, 10 Beibyt Atom st., Kurchatov 180010, Kazakhstan)

Abstract

This article is devoted to an overview of the conducted work and the current status of decommissioning of the world’s first BN-350 industrial fast neutron reactor. The reactor was put into operation on 16 July 1973 in Aktau. In 1999, the government of Kazakhstan decided to shut down the reactor, and from that moment to the present, it has been in the decommissioning stage. All work on decommissioning the reactor facility was grouped into five stages. The first stage was completed in 2010 when the spent fuel of the BN-350 reactor was placed for long-term storage. The second stage is nearing completion. Research is currently underway to develop technologies for processing radioactive sodium. The goal of the third and fourth stages of the BN-350 reactor decommissioning is the comprehensive processing of liquid and solid radioactive waste. Now such waste is stored in special storage directly on the territory of the nuclear power plant.

Suggested Citation

  • Nurzhan Mukhamedov & Kuanyshbek Toleubekov & Galina Vityuk & Maxat Bekmuldin & Sergey Dolzhikov, 2025. "Decommissioning of the BN-350 Fast Neutron Reactor: History Review and Current Status," Energies, MDPI, vol. 18(13), pages 1-15, July.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:13:p:3486-:d:1692858
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