C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
C25C 1/12 (2006.01) C25C 7/02 (2006.01)
Patent
CA 2553926
The present invention relates to a process for electrochemically winning or refining copper by electrodepositing copper from an electrolyte solution containing the metal in ionogenic form, in which the electrolyte is passed through an electrolysis plant compris~ing at least one electrolytic cell, which in an electrolyte tank for receiving the electrolyte has at least two electrodes serving as anode and cathode, which are alternately ar~ranged at a distance from each other, and to a corresponding plant. To increase the economic efficiency of such processes and plants, it is proposed in accordance with the invention to immerse the at least one cathode during operation of the electrolysis into the electrolyte over a length of at least 1.2 meters.
L'invention concerne un procédé d'abattage ou de raffinage par voie électrochimique par électrodéposition de cuivre à partir d'une solution électrolytique contenant le métal sous forme ionogène, selon lequel l'électrolyte est passé dans une installation d'électrolyse comprenant au moins une cellule électrolytique, dans laquelle une cuve d'électrolyte destinée à recevoir l'électrolyte comprend au moins deux électrodes faisant office d'anode et de cathode, disposées par alternance à une certaine distance l'une de l'autre, et une installation correspondante. Afin d'augmenter l'efficacité économique desdits procédés et installations, l'invention propose d'immerger la ou les cathodes pendant l'électrolyse dans l'électrolyte sur une longueur d'au moins 1,2 m.
Anastasijevic Nikola
Koeneke Martin
Lohrberg Dirk
Marttila Tom
Nepper Jean-Paul
Outokumpu Technology Oy
Robic
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