Uranium dioxide production

Details Uranium dioxide production Uranium dioxide production

1989-07-11

1991-04-23

Miller, Edward A.

Plastic and nonmetallic article shaping or treating: processes

Shaping or treating radioactive material

423261, 501152, G21C 2100, C01G 4302

Patent

active

050098179

ABSTRACT:
Ceramic uranium dioxide is produced from uranium metal by steam oxidation of the metal, followed by oxidation in air to produce U.sub.3 O.sub.8, and subsequent reduction in hydrogen of the U.sub.3 O.sub.8 to produce UO.sub.2. The steam environment may be between 250.degree. C. and 500.degree. C., the oxygen-containing environment at 700.degree. C. or below, and the reducing environment at 600.degree. C. or below.

REFERENCES:
patent: 3547598 (1970-12-01), Knudsen
patent: 3641227 (1972-02-01), Horsley et al.
patent: 4053559 (1977-10-01), Hart et al.
patent: 4112055 (1978-09-01), Artaud
Uranium Dioxide: Properties and Nuclear Applications, Ed. by J. Belle, Naval Reactors, Div. of Reactor Development, U.S. Atomic Energy Commission, U.S. Gov't Printing Office, 1961, pp. 33, 68-69, 73-74.

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