C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/235
C22B 7/02 (2006.01) C22B 11/04 (1980.01)
Patent
CA 1083826
ABSTRACT OF THE DISCLOSURE A process for extracting silver in a solution containing at least silver and lead, the solution obtained from residues and flue dusts character- ized in that the silver is separated from the solution by selective precipi- tation as silver suphide, the lead being subsequently precipitated in the form of a basic salt. This process eleminates further precipitate separation into the individual metal precipitates which is necessary in conventional processes.
254459
Piret Norbert L.
Roever Wilhelm
Duisburger Kupferhutte
Fetherstonhaugh & Co.
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