Method for the purification of copper chloride solution

Details Method for the purification of copper chloride solution Method for the purification of copper chloride solution

C - Chemistry, Metallurgy

22

B

C22B 3/42 (2006.01) C22B 15/00 (2006.01)

Patent

CA 2480279

The invention relates to a method for the removal of metal impurities in chloride-based copper recovery processes. The amount of impurities in a strong chloride solution of monovalent copper can be reduced according to the method down to very low levels by using ion exchange as at least one purification stage.

L'invention concerne une méthode permettant d'éliminer les impuretés du métal dans des processus de récupération du cuivre utilisant un chlorure. La quantité d'impuretés présente dans une forte solution de chlorure de cuivre monovalent peut être réduite, avec la méthode de l'invention, à de très faibles niveaux, par échange d'ions, au moins en tant qu'une des étapes de la purification.

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