Integrated ammoniacal solvent extraction and hydrogen...

Details Integrated ammoniacal solvent extraction and hydrogen... Integrated ammoniacal solvent extraction and hydrogen...

C - Chemistry, Metallurgy

22

B

C22B 23/06 (2006.01) C22B 3/26 (2006.01) C22B 3/28 (2006.01) C22B 5/12 (2006.01)

Patent

CA 2468518

1. A process for the recovery of a metallic nickel product in a solvent extraction process including the steps of:(a) forming a nickel ammine complex by stripping nickel from a nickel loaded organic phase with a high strength ammonia solution; and(b) reducing the nickel ammine complex with hydrogen from the high strength ammonia solution to produce a metallic nickel product.

L'invention concerne un procédé de récupération d'un produit de nickel métallique par un procédé d'extraction par solvant consistant à : (a) former un complexe amminé de nickel par entraînement de nickel à partir d'une phase organique chargée de nickel ; et (b) réduire le complexe amminé de nickel par de l'hydrogène de la solution d'ammoniac de forte résistance afin d'obtenir un produit de nickel métallique.

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