Recovery of tungsten from heavy metal alloys

Details Recovery of tungsten from heavy metal alloys Recovery of tungsten from heavy metal alloys

1980-06-27

1981-08-11

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204146, C25B 100, C25B 500

Patent

active

042832586

ABSTRACT:
In a process for preparing ammonium paratungstate from a heavy metal alloy, the metal alloy is introduced as an anode into an electrolytic cell containing an aqueous electrolyte solution comprising ammonium hydroxide and ammonium nitrate. Ammonium paratungstate is formed when a direct electric current is passed through the cell.

REFERENCES:
patent: 2872394 (1959-02-01), Newman

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