Recovery process of uranium

C - Chemistry – Metallurgy – 22 – B

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C22B 60/02 (2006.01)

Patent

CA 1199501

ABSTRACT A process for the recovery of uranium com- prises (1) extracting uranium ions with an organic solvent containing one or more compounds selected from the group consisting of alkyl phosphoric acid, alkyl-aryl phosphoric acid, alkyl dithio phosphoric acid, aryl dithio phosphoric acid, neutral phosphoric acid ester and alkyl amine together with a petroleum hydrocarbon as a diluent; and (2) stripping the uranium ions from the resultant organic solvent from step (1) into an aqueous phase by contacting said organic solvent with an aqueous solution containing one or more compounds selected from the group consisting of NH4F, NH4HF2, KF and KHF2.

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