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Primary Examiner: Andrews, R. L.
Assistant Examiner:
Attorney: Fleit & Jacobson

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Title: Arsenic removal from electrolytes

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.

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Inventors: Houlachi, George J. (St. Laurent, CA, US)
Claessens, Pierre L. (St. Eustache, CA, US)

Application Number: 862500
Filing Date: 1977-12-20
Publication_date: 1979-03-27
Assignee: Noranda Mines Limited (Toronto, CA)
Primary Class(es): 205/772 204/DIG9
Other Classes:
US Patent Ref:

1534709	Apr, 1925	Holt	204/DIG.
2606147	Aug, 1952	Chester	204/DIG.
3824162	Jul, 1974	Sakai et al.	204/108.
3864227	Feb, 1975	Brytczuk et al.	204/108.

Other Refs: Other References: "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.