Method of purifying uranium tetrafluoride hydrate and...

Details Method of purifying uranium tetrafluoride hydrate and... Method of purifying uranium tetrafluoride hydrate and...

C - Chemistry, Metallurgy

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G

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C01G 43/01 (2006.01) C01B 15/047 (2006.01)

Patent

CA 1141521

METHOD OF PURIFYING URANIUM TETRAFLUORIDE HYDRATE AND PREPARING URANIUM (VI) PEROXIDE HYDRATE USING A FLUORIDE COMPLEXING AGENT ABSTRACT OF THE DISCLOSURE A method of preparing uranium (VI) peroxide hydrate from uranium tetrafluoride hydrate, comprising the steps of digesting uranium tetrafluoride hydrate in an aqueous acid in the presence of a fluoride complex- ing agent to produce an aqueous uranium solution, adjusting the aqueous uranium solution to a pH between about 1 to about 3, filtering the aqueous uranium solution to remove undissolved material, reacting the aqueous uranium solution with peroxide to precipitate uranium (VI) peroxide hydrate, and separating the precipitated uranium (VI) peroxide hydrate.

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