C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/00 (2006.01) C22B 3/26 (2006.01) C22B 3/30 (2006.01) C22B 3/36 (2006.01)
Patent
CA 2079797
2079797 9115606 PCTABS00007 A process for recovery of metal values from a mixed metal chloride containing leach solution by contacting the leach solution with a water immiscible solution of a complexing agent selective for the neutral chloride of the metal to be recovered and a chelating agent having affinity for the cation of the metal to be recovered. The chloride ion is washed from the water solution by contact with a chloride ion washing solution. The water immiscible solution containing the chelated metal ion is stripped with an aqueous stripping solution. The metal is recovered from the aqueous stripping solution.
Fletcher Archibald W.
Olafson Stephen M.
Sudderth Robert Brantley
Fetherstonhaugh & Co.
Henkel Corporation
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