Kolesov V.V.1, Korobeinikov V.V.2, Mikhalev А.V.1, Pupko L.P.2
1 Obninsk Institute for Nuclear Power Engineering of the National Research Nuclear University, Obninsk, Russia
2 A.I. Leypunsky Institute for Physics and Power Engineering, Obninsk, Russia
Theoretical studies of the effect of spectral and heterogeneous effects on the efficiency of burning minor actinides in a BN-600 fast neutron reactor have been carried out. As part of the research, the following tasks have been solved:
– Calculations of the active zones of fast reactors with fuel U-238+AM-241 and TH-232+AM-241 for burning Am-241 were carried out.
– The spectral effects impact on the different variants of Am-241 burning in a BN-600 reactor is estimated.
– The heterogeneity effects during the Am-241 burning in a fast neutron reactor with uranium-thorium fuel are calculated.
– Modeling of the minor actinides burning with different methods of their placement in a BN-600 type reactor showed the most effective ways of minor actinides disposal.
– The efficiency of Am-241 burning in a fast-heat reactor system based on a BN-600 reactor type has been investigated.
– The conducted research results will help to choose effective approaches for the burning of minor actinides.
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