Mining and Chemical Combine

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Control room at the MCC in Zheleznogorsk

The Mining and Chemical Combine was established in 1950 to produce plutonium for weapons.[1] It is in the closed city Zheleznogorsk, Krasnoyarsk Krai. The company is currently part of the Rosatom group.[2]

The site had three underground nuclear reactors using cooling water from the Yenisei river: AD (1958), ADE-1 (1961) and ADE-2 (1965). ADE-2 was shutdown in 2010 in accord with the 1997 Plutonium Production Reactor Agreement with the United States. It also provided heat and electricity for the area, which was its main function after 1993.[3][4]

The complex has an interim storage facility.[5] There is also a 60 t/year commercial mixed oxide (MOX) fuel fabrication facility (MFFF).[6] It employs 7000 people.[7]

The MOX production line completed a 10 kg batch in September 2014.[8]

The city has a Mining and Chemical Combine museum.[9]


  1. ^ John Pike. "Krasnoyarsk-26". Retrieved 2015-07-04.
  2. ^ "О предприятии". (in Russian).
  3. ^ "Russia dismantles two uranium graphite reactors". Nuclear Engineering International. 13 January 2023. Retrieved 17 January 2023.
  4. ^ "Fact Sheet on U.S.-Russian Plutonium Production Reactor Agreement". United States Information Agency. BITS. 2 July 1998. Retrieved 17 January 2023.
  5. ^ "Russia commissions fuel storage facility". Retrieved 2015-07-04.
  6. ^ "MOX, Mixed Oxide Fuel". Retrieved 2015-07-04.
  7. ^ "Mining and Chemical Combine (GKhK) | Facilities | NTI". Retrieved 2015-07-04.
  8. ^ "Russia makes fast neutron reactor progress". Retrieved 2015-07-04.
  9. ^ "The Museum of the Mining Chemistry Plant". About Zheleznogorsk. Retrieved 17 January 2023.

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Coordinates: 56°21′16″N 93°38′38″E / 56.3544°N 93.6439°E / 56.3544; 93.6439