Insoluble anode for electrolyses in aqueous solutions

Details Insoluble anode for electrolyses in aqueous solutions Insoluble anode for electrolyses in aqueous solutions

1991-10-01

1994-01-11

Gorgos, Kathryn

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204290R, 204290F, 204297R, 204297W, C25C 700

Patent

active

052777774

ABSTRACT:
An insoluble anode is for the electrowinning of heavy metals from aqueous solutions which contain them, and for the electrolytic production of oxidizer halogenated salts.
The anode includes a copper bar acting as a bus bar (i.e., as a current-bearing bar), having vertical and horizontal holes through which fork-shaped elements, made from a bimetallic conductor, are inserted and fastened. A plurality of fork-shaped elements, made from the filamentary bimetallic conductor, coated by a catalytic layer of Pt and/or PbO.sub.2, act as an electrode with preferential oxygen development. A framework made from an insulating plastics material, is for supporting and stiffening the structure, and for the precise positioning of the anode inside the cell.

REFERENCES:
patent: 4098658 (1978-07-01), Ginatta
patent: 4108756 (1978-08-01), de Nora
patent: 4236978 (1980-12-01), Prengaman et al.
patent: 4272340 (1981-06-01), Cole, Jr. et al.
patent: 4380493 (1983-04-01), Wortley et al.
patent: 4400259 (1983-08-01), Schutt
patent: 4767519 (1988-08-01), de Nora
patent: 5030520 (1991-07-01), Olper

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