Method for obtaining cobalt and nickel from ores and ore...

C - Chemistry – Metallurgy – 22 – B

Patent

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C22B 23/00 (2006.01) C22B 1/06 (2006.01) C22B 3/18 (2006.01)

Patent

CA 2460116

The invention relates to a method for obtaining metals from a cobalt and/or nickel arsenic sulfide ore or ore concentrate and/or a cobalt and/or nickel sulfide ore or ore concentrate, according to which the cobalt and/or nickel arsenic sulfide ore or ore concentrate and/or the cobalt and/or nickel sulfide ore or ore concentrate is reacted with sulfur or sulfur arsenic compounds to a reaction product, and dissolving and removing soluble metals and rare-earth metals.

L'invention concerne un procédé pour extraire des métaux contenus dans un minerai ou un concentré de minerai de cobalt et/ou de nickel sulfuré et/ou renfermant du sulfure d'arsenic. Ce procédé consiste à faire réagir le minerai ou le concentré de minerai de cobalt et/ou de nickel sulfuré et/ou renfermant du sulfure d'arsenic avec du soufre ou des composés d'arsenic renfermant du soufre pour former un produit de réaction ; et à dissoudre des métaux et des terres rares solubles, pour les éliminer du produit de réaction.

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