Title: Process for reducing lead peroxide formation during lead electrowinning

Abstract: An electrolyte and a process for reducing lead peroxide formation when electrowinning lead from inorganic acid solutions are disclosed. In accordance with the invention, arsenic is added to an inorganic acid electrolyte containing lead, whereby oxygen is evolved at the anode while lead peroxide formation is reduced or eliminated during electrolysis.

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Inventors: Prengaman, Raymond D. (Arlington, TX, US)
McDonald, Herschel B. (Red Oak, TX, US)

Application Number: 093514
Filing Date: 1979-11-13
Publication_date: 1980-10-28
Assignee: RSR Corporation (Dallas, TX)
Primary Class(es): 205/597 205/601
Other Classes:
US Patent Ref:

679824	Aug, 1901	Betts	204/114.
1913985	Jun, 1933	Harper et al.	204/114.
2509918	May, 1950	Griffith et al.	204/114.

Other Refs:
Primary Examiner: Andrews, R. L.
Assistant Examiner:
Attorney: Watson, Leavenworth, Kelton & Taggart