Home / Store / Journals / Electronic Articles / Nuclear Science and Engineering / Volume 61 / Number 2 / Pages 212-221
Nuclear Science and Engineering / Volume 61 / Number 2 / Pages 212-221
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The fission products 90Sr and 137Cs produced by fission reactors of 30 GW(th) can be transmutated into stable nuclides by neutron irradiation with a thermal flux of 2 × 1016 n cm−2 s−1. The rates of transmutation are 15 and 3.3 times greater, respectively, than that of spontaneous beta decay. The transmutation would take place in a central thermalized region of a high-flux fast burner reactor of 7 GW(th). In the case where the power reactors of 23 GW(th) are breeders with a high breeding gain of G = 0.38, the total system, inclusive of the high-flux burner, remains a breeding system, with Gtotal = 0.09. Details of the neutronics calculations and simplified thermohydraulics are given. The high-flux burner is fueled with a molten salt of chlorides of plutonium and sodium with a power density of 10 kW cm−3. The “self-liquidation” of such a system is discussed.
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