Device and process for the electrolytic separation of metals with the aid of a rotating cathode system
AssigneeIngenieuburo und Labor Fur Galvanotechnik
InventorsJurgen Leudolph, Frank Roselt
Life of this patent
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Abstract
A device for the electrolytic separation of metals in a metal recovery cell has a rotating cathode system. The rotating cathode includes a supporting cylinder with at least one slit, at least one sheathed cathode, contact elements, and a drive shaft provided with a current supply. The device allows simple manipulation of the supporting cylinder with the sheathed cathode and allows the user to choose the choice of material for the sheathed cathode, since this material can be matched as closely as possible to the particular process in question. The process may be used for extracting metals from electrically conductive, metal-containing solutions for recycling purposes.
Claims12
Device for the electrolytic deposition of metals in a metal recovery cell, where the metal recovery cell essentially consists of a vessel, an electrolyte, an anode arrangement, a rotating cathode system, means for controlled drive of the rotating cathode, and of means for current supply, characterized in that the rotating cathode system in the metal recovery cell comprises:
- a support cylinder rotatably mounted on a drive shaft, said support cylinder having at least one slot and at least one contact chamber situated behind said slot, said driving shaft being connected with said means for current supply and means for rotating said driving shaft together with said support cylinder mounted thereon,
- at least one mantle cathode removably mounted on said support cylinder, and
- a contact rod enclosed by said contact chamber and in contact with a portion of said mantle cathode extending through said slot into said contact chamber.
A method of operating an electrolytic deposition device, the method comprising the steps of:
- putting a mantle cathode on to a support cylinder;
- introducing said mantle cathode through a slot in the support cylinder into a contact chamber;
- fastening said mantle cathode to said support cylinder by introducing a contact rod into said contact chamber and, at the same time, making intimate contact between said mantle cathode and said contact rod over substantially the whole length thereof;
- mounting said support cylinder on a flange of a driving shaft;
- supplying an electrolyte to a container containing the support cylinder;
- rotating said driving shaft;
- and
- connecting current supply means with said driving shaft and said contact rod.
Dependencies are inferred from the claim text.