Preparation of nuclear fuel spheres by flotation-internal gelati

Details Preparation of nuclear fuel spheres by flotation-internal gelati Preparation of nuclear fuel spheres by flotation-internal gelati

1985-12-23

1987-05-05

Terapane, John F.

Plastic and nonmetallic article shaping or treating: processes

Shaping or treating radioactive material

252631, 252635, 252643, 264 14, G21C 2100, G21C 1946, C01G 4302

Patent

active

046630937

ABSTRACT:
A simplified internal gelation process for the preparation of gel spheres of nuclear fuels. The process utilizes perchloroethylene as a gelation medium. Gelation is accomplished by directing droplets of a nuclear fuel broth into a moving volume of hot perchloroethylene (about 85.degree. C.) in a trough. Gelation takes place as the droplets float on the surface of the perchloroethylene and the resultant gel spheres are carried directly into an ager column which is attached to the trough. The aged spheres are disengaged from the perchloroethylene on a moving screen and are deposited in an aqueous wash column.

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patent: 3321560 (1967-05-01), Wilkinson
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patent: 4124535 (1978-11-01), Farrington et al.
patent: 4397778 (1983-08-01), Lloyd
patent: 4415536 (1983-11-01), Haas et al.

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