C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 11/00 (2006.01) C22B 3/00 (2006.01) C22B 11/10 (2006.01) C22B 15/00 (2006.01)
Patent
CA 2499507
The invention relates to a method for removing silver from a chloride solution in a copper recovery process. According to this method, silver is removed using fine-grained copper powder and mercury. Silver removal occurs in at least two stages and mercury is fed into the solution at a certain molar ratio with regard to the silver in the solution.
L'invention concerne un procédé d'enlèvement de l'argent d'une solution de chlorure dans un procédé de récupération du cuivre. Selon le procédé de l'invention, on enlève l'argent au moyen d'une poudre de cuivre à grains fins et de mercure. On enlève l'argent en au moins deux étapes et on envoie le mercure dans la solution selon un certain rapport molaire par rapport à l'argent dans la solution.
Hyvaerinen Olli
Jyraelae Marika
Norton Rose Or S.e.n.c.r.l.,s.r.l./llp
Outokumpu Oyj
Outotec Oyj
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