C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/217
C22B 60/02 (2006.01)
Patent
CA 1202489
ABSTRACT OF THE DISCLOSURE Uranium is stably stripped from an organic solvent containing a uranium-laden, amine-based extracting agent into an aqueous ammonium sulfate solu- tion with a very high stripping efficiency in a broad pH range by mixing the organic solvent, the aqueous ammo- nium sulfate solution and an alkali as a pH-controlling agent, and subjecting the resulting mixture to the action of a centrifugal force, thereby separating it into the organic solvent and the aqueous ammonium sulfate solu- tion.
417568
Fujiwara Kiyoshi
Yoshinaga Shoji
Gowling Lafleur Henderson Llp
Hitachi Ltd.
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