Actinide nitride-fueled reactor and continuous method of operati

Details Actinide nitride-fueled reactor and continuous method of operati Actinide nitride-fueled reactor and continuous method of operati

1978-05-15

1980-11-18

Behrend, Harvey E.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423 5, 423 11, 2523011R, 176 49, G21C 702, G21C 1500, G21C 1900

Patent

active

042343836

ABSTRACT:
An actinide nitride-fueled nuclear reactor and a method of operation therefor, including continuous in situ removal of fission products and optional addition of fuel-forming actinide material as the reaction proceeds. The reactor employed has a fuel system comprising a critical mass of a nitride of an actinide metal in contact with a non-critical solution of the actinide metal in a molten metal solvent of low neutron adsorption cross section such as tin, said fuel system being maintained under a nitrogen atmosphere in an inert, refractory vessel such as graphite which is non-conducive to the formation of actinide oxides. Fission products formed are continuously exchanged with the actinide metal dissolved in the molten metal solvent as the nuclear reaction proceeds, with equivalent amounts of actinide nitride being formed and precipitated into the critical mass as fission products are dissolved in the molten metal solution. Temperature excursions tend to be suppressed by the nitride decomposition which ensues as temperatures are increased without any balancing increase in nitrogen pressures to restore the equilibrium.

REFERENCES:
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patent: 3251745 (1966-05-01), Teitel
patent: 3282681 (1966-11-01), Knighton et al.
patent: 3284190 (1966-11-01), Knighton et al.
patent: 3287093 (1966-11-01), Nelson et al.
patent: 3485594 (1969-12-01), Knacke
ANL-6648, 1962, pp. 15, 31, 40, 43, 44, 60-64, 80, 110, 111, 115.

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