Liquid membrane process for uranium recovery

Details Liquid membrane process for uranium recovery Liquid membrane process for uranium recovery

C - Chemistry, Metallurgy

22

B

53/218, 252/30

C22B 60/02 (2006.01) B01D 11/04 (2006.01) B01D 61/40 (2006.01)

Patent

CA 1194320

ABSTRACT OF THE DISCLOSURE An improved liquid membrane emulsion extraction process for recovering uranium from a WPPA feed solution containing U(IV) cations wherein said feed is contacted with a water-in-oil emulsion which extracts and captures the uranium in the interior aqueous phase thereof, wherein the improvement comprises the presence of an alkane diphosphonic acid uranium complexing agent in the interior phase of the emulsion. This improvement results in greater extraction efficiency.

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