Dissolution process for ZrO.sub.2 -UO.sub.2 -CaO fuels

Details Dissolution process for ZrO.sub.2 -UO.sub.2 -CaO fuels Dissolution process for ZrO.sub.2 -UO.sub.2 -CaO fuels

1975-04-11

1976-06-22

Miller, Edward A.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

2523011R, 423 20, C01G 4302

Patent

active

039652378

ABSTRACT:
The present invention provides an improved dissolution process for ZrO.sub.2 -UO.sub.2 -CaO-type pressurized water reactor fuels. The zirconium cladding is dissolved with hydrofluoric acid, immersing the ZrO.sub.2 -UO.sub.2 -CaO fuel wafers in the resulting zirconium-dissolver-product in the dissolver vessel, and nitric acid is added to the dissolver vessel to facilitate dissolution of the uranium from the ZrO.sub.2 -UO.sub.2 -CaO fuel wafers.

REFERENCES:
patent: 3341304 (1967-09-01), Newby
patent: 3813464 (1974-05-01), Ayers
Combustion Engineering, Inc., Nucl. Sci. Abstr., 22, No. 41086, (Oct. 1968).
Bower et al., Nucl. Sci. Abstr., 24, No. 22739, (June 1970).

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