Continuous silver refining cell

Details Continuous silver refining cell Continuous silver refining cell

1990-03-14

1992-03-31

Valentine, Donald R.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204217, 204252, 204259, 204262, 204263, 204264, 204285, 204290F, 204293, C25C 120, C25C 704, C25C 708

Patent

active

051005280

ABSTRACT:
A continuous silver refining cell comprises a tank containing an electrolyte, at least one vertical cathode disk mounted on a rotating horizontal shaft placed above the tank so that slightly less than half of the disk is immersed in the electrolyte, at least one anode basket containing impure silver anodes immersed in the electrolyte adjacent the cathode disk, and a diaphragm separating the cathode disk from the anode basket to form cathode and anode compartments. A scraper is provided for continuously removing pure silver crystals from the cathode and directing it to the side of the cell. A chain tubular conveyor may be provided for continuously or semi-continuously withdrawing a mud containing gold and other precious metals from the bottom of the cell.

REFERENCES:
patent: 1782909 (1930-11-01), Pike
patent: 2810682 (1957-10-01), Brown
patent: 3382163 (1968-05-01), Czaloun

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