C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/328, 53/329
C22B 19/32 (2006.01) C01G 9/00 (2006.01) C22B 3/38 (2006.01)
Patent
CA 1083830
ION EXCHANGE TREATMENT OF ZINC VALUES ABSTRACT OF THE DISCLOSURE Zinc values are leached or converted in a solution con- taining excess SO2 or HSO3-ions, selectively extracted from that solution into an organic phase containing organo acid phosphates and-stripped from the organic phase for further processing.
268781
Clitheroe Jay B.
Sudderth Robert B.
General Mills Chemicals Inc.
Gowling Lafleur Henderson Llp
Mineral & Chemical Resource Company
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