Apparatus for metal production by electrolysis of a molten elect

Details Apparatus for metal production by electrolysis of a molten elect Apparatus for metal production by electrolysis of a molten elect

1983-05-27

1985-05-21

Williams, Howard S.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204 64R, 204 70, 204243R, C25C 300, C25C 304, C25C 700

Patent

active

045184755

ABSTRACT:
Electrolytic cells for production of Mg or other metal lighter than the molten electrolyte comprise electrode assemblies of anode 28, cathode 26 and intermediate bipolar electrodes 30 with substantially vertical regions 39 between them. The intermediate bipolar electrodes have open-top channels 50 along their top edges. An electrolyte/metal mixture rising from the interelectrode regions by gas lift is transported along these channels, substantially undisturbed by rising gas, to a weir 20 and then to a metal collection chamber 18. The electrolyte surface is kept at a constant level, preferably by means of a vessel 22 submerged in electrolyte in the metal collection chamber, to or from which molten electrolyte can be transferred to alter the surface level.

REFERENCES:
patent: 1079079 (1913-11-01), Wallace et al.
patent: 3907651 (1975-09-01), Andreassen et al.
patent: 4401543 (1983-08-01), Ishizuka

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