Method for activating U3O8 with a view to converting same into hydrated UO4
US10106409B2 · kind B2 · utility
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Key dates
| Filing date | Feb 19, 2015 |
| Grant date | Oct 23, 2018 |
| Priority date | — |
| Expiry date | Apr 18, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22B3/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method to activate U3O8 for conversion of this uranium oxide to hydrated UO4 via reaction with hydrogen peroxide H2O2, wherein the following successive steps are performed: A method to convert U3O8 to hydrated UO4 of formula UO4, nH2O where n is 2 or 4, comprising at least one step at which hydrogen peroxide H2O2 is added to the aqueous suspension of a powder of activated U3O8 obtained at the end of step b) of the activation method or to an aqueous suspension prepared by placing in suspension in water the powder of activated U3O8 obtained at the end of step c) of the activation method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.