Reaction of uranium fluorides with mineral acids to recover hydrogen fluoride
US5744116A · kind A · utility
1Cited by
23References
36Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 8, 1994 |
| Grant date | Apr 28, 1998 |
| Priority date | — |
| Expiry date | Dec 8, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/82
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Uranium fluoride compounds, in which the uranium is preferably present in the tetravalent or higher valency state, are reacted with a strong mineral acid, to yield a gaseous phase of hydrogen fluoride and a precipitate that is a uranium salt of the mineral acid. The precipitate can be subjected to thermal decomposition to recover the mineral acid and to obtain an oxide of uranium. The process provides an economical way of obtaining hydrogen fluoride from byproduct depleted UF.sub.6.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.