Method for copper electrowinning in hydrochloric solution

Details Method for copper electrowinning in hydrochloric solution Method for copper electrowinning in hydrochloric solution

C - Chemistry, Metallurgy

25

C

C25C 1/12 (2006.01) C25C 5/02 (2006.01) C25C 7/00 (2006.01)

Patent

CA 2517379

A method for the production of metallic copper in a substantially dendrite- free crystalline form is described, comprising an electrowinning from a cuprous and/or cupric chloride solution carried out in a spouted bed cell comprising a cathode consisting of a descending bed of metallic beads.

L'invention concerne un procédé d'obtention d'un cuivre métallique sous forme sensiblement cristalline exempte de dendrite consistant à extraire par voie électrolytique à partir d'une solution de chlorure cuivreux et/ou cuivrique obtenue dans une cellule à lit en jaillissement comprenant une cathode constituée d'un lit descendant de billes métalliques.

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