Process for liberating metals using direct production of...

Details Process for liberating metals using direct production of... Process for liberating metals using direct production of...

C - Chemistry, Metallurgy

22

B

C22B 3/20 (2006.01)

Patent

CA 2706552

A system which uses available waste acid process streams from hydrometallurgical extraction processes as absorp-tion media for the direct production of leach grade acid solutions for return to the hydrometallurgical processing circuit for use in liberating metals from metal-bearing materials. The produced acid may have a concentration in the range suitable for processing of metal-bearing materials.

L'invention porte sur un système qui utilise des courants de procédé disponibles d'acide résiduaire provenant de procédés d'extraction hydrométallurgique en tant que milieux d'absorption pour la production directe de solutions d'acide de qualité pour lixiviation pour le recyclage vers le circuit de traitement hydrométallurgique en vue d'une utilisation dans la libération de métaux à partir de matériaux métallifères. L'acide produit peut avoir une concentration se situant dans la plage appropriée pour le traitement de matériaux métallifères.

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