C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/210, 53/236
C22B 60/02 (2006.01) C22B 21/00 (2006.01)
Patent
CA 1176470
ABSTRACT The invention concerns a process for recovering uranium and/or aluminium from a refractory silico-aluminous material. The silico-aluminous material is leached in one or more stages to give a pregnant solution which contains little or no acid that would inhibit the recovery of the uranium and/or aluminium from the leach solution. Generally the pH will be in the range of about 1,5 to 2 so that the maximum amount of free acid will be about 5 grams per liter. The desired materials are recovered from the leach solution.
383338
Livesey-Goldblatt Eric
Nagy Imre F.
Tunley Trevor H.
General Mining Union Corporation Limited
Sim & Mcburney
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