Nuclear Engineering and Technology

Korean Nuclear Society (한국원자력학회)
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Organic and inorganic carbon-14 in discharges of JSC Institute of Nuclear Materials

  • E.I. Nazarov (Institute of Industrial Ecology UB RAS) ;
  • A.A. Ekidin (Institute of Industrial Ecology UB RAS) ;
  • A.V. Kruzhalov (Ural Federal University) ;
  • M.E. Vasyanovich (Institute of Industrial Ecology UB RAS) ;
  • A.I. Lysikov (Boreskov Institute of Catalysis) ;
  • P.N. Kalinkin (Boreskov Institute of Catalysis) ;
  • I.M. Russkikh (Institute of Nuclear Materials)
  • Received : 2023.01.11
  • Accepted : 2023.03.17
  • Published : 2023.06.25
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Abstract

The aim of the study is the activity concentration measurements of organic and inorganic 14C in the discharges of JSC "Institute of Nuclear Materials" (INM). In INM the research water-water reactor "IVV-2M" is operating. Collecting of 14C species was performed using a 14C sampler with a chromium oxide and platinum catalysts at different temperatures: 400, 550 and 700 ℃. The measurements of 14C activity were performed using a liquid scintillation counter. The share of organic 14C in emissions ranged from 0.30 to 0.84 and depends on the temperature of the catalyst, core structure and reactor operating mode.

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