Titanium-lead anode for use in electrolytic processes employing

Details Titanium-lead anode for use in electrolytic processes employing Titanium-lead anode for use in electrolytic processes employing

1983-10-04

1985-04-23

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C25B 1100

Patent

active

045128669

ABSTRACT:
An anode for use in electrolytic processes with an electrolyte containing sulfuric acid. The anode comprises a valve metal substrate, a lead or lead alloy antipassivation layer in contact with the valve metal substrate, and a lead ruthenate or lead iridate catalyst in surface contact with the lead or the lead alloy. Also disclosed are methods for employing the anode in electrowinning processes as well as a process for operating an electrolytic cell.

REFERENCES:
patent: 3691052 (1972-09-01), Langley
patent: 4107025 (1978-08-01), Loutfy et al.
patent: 4157943 (1979-06-01), Scarpellino, Jr. et al.
patent: 4260470 (1981-04-01), Fisher
patent: 4279711 (1981-07-01), Vining et al.
patent: 4380493 (1983-04-01), Wortley
patent: 4426262 (1984-01-01), Langley
patent: 4437969 (1984-03-01), Dreulle
Horowitz, Horowitz, and Longo, Electro-Organic Oxidations on Lead Ruthenate, National Meeting of Electrochemical Society, Minneapolis, 1981.

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