Anode-assisted cation reduction

Details Anode-assisted cation reduction Anode-assisted cation reduction

1983-02-08

1983-11-01

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204105M, 204106, 204108, 204109, 204112, 204114, 204129, C23F 104, C23C 106, C23C 110, C23C 108

Patent

active

044128932

ABSTRACT:
A method of cation reduction by anode-assisted electrolysis comprises electrolyzing cations at a cathode of a cell in which the anolyte contains ferrous ion as a reducing agent, with relative motion between the anode and the anolyte such as to promote contact of the anode with ferrous ion despite their mutual electrostatic repulsion, wherein the concentration of the ferrous ion is from 0.5 to 10 g/l. The relative motion between the anode and the anolyte can take the form of air-sparging. The method can be used to produce copper metal from copper solution. While static relationship is maintained between the cathode and the catholyte, the anolyte being in free communication with the catholyte.

REFERENCES:
patent: 3761369 (1973-09-01), Tirrell

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