Method for dry reprocessing of irradiated nuclear fuels

Details Method for dry reprocessing of irradiated nuclear fuels Method for dry reprocessing of irradiated nuclear fuels

1977-09-15

1980-05-13

Miller, Edward A.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423251, 423258, 423259, C01G 5606, C01G 4306

Patent

active

042028612

ABSTRACT:
Irradiated nuclear fuels consisting primarily of plutonium compounds and/or uranium compounds such as oxides, carbides, nitrides are converted in accordance with the method to plutonium hexafluoride and/or uranium hexafluoride. In a first step, the compounds are contacted within a first zone of an enclosure with a gas mixture containing at least one fluorination reagent. In a second step, the remainder of the compounds which have not been converted to fluorides during the first step is contacted directly within a second zone of the enclosure with a bed which has been fluidized by means of a gas mixture containing at least one fluorination reagent.

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patent: 3353929 (1967-11-01), Knacke et al.
patent: 3720748 (1973-03-01), Massonne
patent: 3753920 (1973-08-01), Anastasia et al.
patent: 3790493 (1974-02-01), Dada et al.

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