Process for the extraction of fission products

Details Process for the extraction of fission products Process for the extraction of fission products

1977-12-14

1979-12-25

Sebastian, Leland A.

Compositions

Organic luminescent material containing compositions

Scintillating or lasing compositions

176 37, 423 2, 423 4, 423249, G21F 930

Patent

active

041804767

ABSTRACT:
Process for the extraction of fission products contained in irradiated nuclear fuel elements which have been subject to a temperature of at least 1200.degree. C. during their irradiation prior to dissolving the fuel by the wet process. After mechanically treating the elements in order to decan and/or cut them they are brought into contact with water in order to pass the fission products into aqueous solution. The treated elements are then separated from the thus obtained aqueous solution. At least one of the fission products is then recovered from the aqueous solution. The fission products are iodine, cesium, rubidium and tritium.

REFERENCES:
patent: T939005 (1975-10-01), Enegess
patent: 3282655 (1966-11-01), Case et al.
patent: 3298961 (1967-01-01), Davis et al.
patent: 3365578 (1968-01-01), Grover et al.
Stoller et al, Eds., Reactor Handbook, vol. II, Fuel Reprocessing, Interscience Publishers, Inc., New York, 1961, pp. 4, 5, 97, 98.

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