CONTINUOUS PROCESS FOR PREPARING URANIUM HEXAFLUORIDE FROM URANIUM TETRAFLUORIDE AND OXYGEN
Patent
·
OSTI ID:4828951
A large-scale process is given for preparing UF/sub 6/ from impure UF/ sub 4/ without the use of F/sub 2/. The process gives high yields and avoids problems from UF/sub 4/ sintering and formation of intermediate fluorides. The process comprises continuously introducing finely divided dry UF/sub 4/ and dry O/ sub 2/ into a bed of dry UO/sub 2/F/sub 2/ under fluidization conditions, maintaining the bed at 600 to 900 deg C and at a UF/sub 4/ concentration less than 25 wt%, continuously removing the solids from the top of the bed, and recovering the UF/sub 6/ gas. Apparatuses for conducting the process, some of which recycle UO/sub 2/F/sub 2/ or off-gases, are described. (D.J.C.)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-16-020531
- OSTI ID:
- 4828951
- Report Number(s):
- GB 897793
- Country of Publication:
- United Kingdom
- Language:
- English
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