Arsenic removal from electrolytes

Details Arsenic removal from electrolytes Arsenic removal from electrolytes

1977-12-20

1979-03-27

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204108, 204DIG9, C25C 112

Patent

active

041464478

ABSTRACT:
A method is provided for removing arsenic from arsenic and copper containing electrolytes by electrolysis while minimizing or substantially reducing the formation of arsine gas, through the application of a periodically reversed or interrupted current during such electrolysis. The method is particularly suitable for the purification of copper refinery electrolyte.

REFERENCES:
patent: 1534709 (1925-04-01), Holt
patent: 2606147 (1952-08-01), Chester
patent: 3824162 (1974-07-01), Sakai et al.
patent: 3864227 (1975-02-01), Brytczuk et al.
"Principles of Electroplating & Electroforming", by W. Blum et al., 3rd Ed., 1949, pp. 246-247.
"Extractive Metallurgy of Cu", by A. K. Biswas et al., 1st Ed., 1976, pp. 295-323.

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