Electrowinning of noble metals

Details Electrowinning of noble metals Electrowinning of noble metals

1982-11-29

1983-09-27

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204 12, 204109, 204110, C25B 107

Patent

active

044067526

ABSTRACT:
Nobel metals such as silver and gold are removed from solutions containing them in an electrolytic process in which the cathode of an electrolytic cell comprises a carbon fiber mass. Metal ions are plated out on to the carbon fibers which exhibit a large surface area in the highly porous cathode. Recovery of the metal values is obtained through heating the plated fiber mass to a temperature sufficient to burn off the carbon fibers.

REFERENCES:
patent: 4330387 (1982-05-01), Astruc et al.

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