Method for manufacturing gadolinium-containing nuclear fuels

Details Method for manufacturing gadolinium-containing nuclear fuels Method for manufacturing gadolinium-containing nuclear fuels

1979-12-11

1981-07-14

Kyle, Deborah L.

Compositions

Organic luminescent material containing compositions

Scintillating or lasing compositions

176 69, 176 93BP, G21C 362

Patent

active

042785600

ABSTRACT:
Mixed crystals containing uranium and gadolinium for conversion into nuclear fuels by introducing NH.sub.3, CO.sub.2 and a uranyl salt solution containing dissolved gadolinium into a body of an aqueous solution of ammonium carbonate. As a result salts of gadolinium and uranium complexes precipitate and during precipitation there is a lowering of the pH from 9 down to 8.2. The precipitate is separated and converted to uranium and gadolinium oxides. Preparing the mixed crystals in this manner results in the gadolinium being finely and homogeneously distributed into the oxidic nuclear fuel.

REFERENCES:
patent: 3263004 (1966-07-01), Bean
patent: 3501411 (1970-03-01), Trigianni et al.
patent: 3676075 (1972-07-01), Ploger et al.
patent: 3778380 (1973-12-01), Baker et al.
patent: 3790658 (1974-02-01), Fox et al.
patent: 3825499 (1974-07-01), Johnson
patent: 3917768 (1975-11-01), Abate-Daga et al.

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