C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/113, 53/220,
C22B 3/08 (2006.01) C21B 15/00 (2006.01) C22B 11/00 (2006.01) C22B 13/00 (2006.01) C22B 19/00 (2006.01)
Patent
CA 2036058
The invention relates to a method for recovering various valuable materials in connection with the hydrometallurgical production of zinc. The method is particularly suited for feeding different types of raw materials into the various stages of a process carried out in atmospheric conditions. Valuable materials such as lead, silver and gold are recovered by means of the said method.
L'invention a trait à une méthode de récupération de divers matériaux utiles lors de l'extraction hydrométallurgique du zinc. La méthode est particulièrement adaptée lorsqu'il s'agit d'utiliser différents types de matières premières à divers stades d'un procédé qui se déroule dans des conditions atmosphériques. Les matériaux utiles, tels le plomb, l'argent et l'or, sont récupérés grâce à cette méthode.
Fugleberg Sigmund Peder
Jarvinen Aimo Ensio
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Outokumpu Oy
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