Method of producing PuO.sub.2 /UO.sub.2 /-nuclear fuels

Details Method of producing PuO.sub.2 /UO.sub.2 /-nuclear fuels Method of producing PuO.sub.2 /UO.sub.2 /-nuclear fuels

1978-09-12

1981-01-27

Sebastian, Leland A.

Plastic and nonmetallic article shaping or treating: processes

Shaping or treating radioactive material

176 89, 2523011R, 423 20, G21C 2100

Patent

active

042474957

ABSTRACT:
Production of UO.sub.2 nuclear fuel pellets containing PuO.sub.2 in set amounts, which pellets are soluble in nitric acid and suitable for reprocessing without the aid of a special additive. Uranium oxide powder is mixed with 15 to 50% by weight of the mixture of plutonium oxide powder; the mixture milled and pressed into pellets. The pellets are sintered, comminuted, pressed to form pellets and the pellets comminuted to free-flowing granules. The free-flowing granules are mixed with UO.sub.2 granules to obtain a desired UO.sub.2 /PuO.sub.2 ratio, and the mixture pressed into pellets and sintered to form UO.sub.2 nuclear fuel pellets containing PuO.sub.2 soluble in nitric acid.

REFERENCES:
patent: 3375306 (1968-03-01), Russell et al.
patent: 3531416 (1970-09-01), Akutsu et al.
patent: 3995000 (1976-11-01), Butler et al.
patent: 4020131 (1977-04-01), Feraday

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