Process for overcoating granular materials

Details Process for overcoating granular materials Process for overcoating granular materials

1988-02-10

1989-08-15

Beck, Shrive

Coating processes

Radioactive base or coating

Particles or nuclear reactor fuel elements coated

427 11, 427212, 427242, 118303, 118242, B05D 128, B05D 140

Patent

active

048573590

ABSTRACT:
A process for overcoating granules with overcoating material in a granulator by providing the inside surface of the granulator, before introduction of the granules, with a layer of the overcoating material in a thickness of 0.1 to 1 mm, maintaining a preset entrainment height of the granules during the granulation process, and adding the overcoating material in the flowing particle bed. The deposited layers are very uniform.

REFERENCES:
patent: 2840842 (1958-07-01), Kaheny
patent: 3442691 (1969-05-01), Pearson
patent: 3719516 (1973-03-01), Sturge et al.
patent: 3974307 (1976-08-01), Bower
patent: 4014432 (1977-03-01), Clothier et al.
patent: 4311111 (1982-01-01), Inaba

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