C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
53/233, 53/331
C01G 21/16 (2006.01)
Patent
CA 1156471
ABSTRACT OF THE DISCLOSURE A process for the treatment of solutions of lead chloride, containing as impurities at least one metal chosen from the group consisting of silver, copper and bismuth. This process is characterized by the fact that it involves the following steps: (a) bringing the solution into contact with a cation exchange resin whose active group is a sulfhydryl group; and (b) recovery of the lead on the basis of the solution obtained in step (a).
358820
Gowling Lafleur Henderson Llp
Societe Miniere Et Metallurgique de Penarroya
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