Permanent anode

Details Permanent anode Permanent anode

1987-08-06

1989-05-30

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204290R, 204290F, C25C 118

Patent

active

048348511

ABSTRACT:
An anode comprising an electroconductive substrate, whose external surface at least is selected from the group consisting of vanadium, niobium, tantalum and tungsten, alloys of said metals with each other and alloys of said metals with at least one metal selected from the group consisting of metals of groups IIIB and IV of the Periodic Table, lanthanides, actinides, the external surface having a corrosion resistant electrocatalytic coating of at least one member of the group consisting of noble metals and alloys thereof, noble metal oxides and non-noble metal oxieds, characterized in that the coating also contains at least one compound of an element selected from the group consisting of arsenic, antimony, bismuth, tin, for metal recovery from acid solutions based on fluodide-containing complex anions and an electrochemical cell.

REFERENCES:
patent: 3985630 (1976-10-01), Ginatta
patent: 4230545 (1980-10-01), Prengaman et al.
patent: 4272340 (1981-06-01), Cole, Jr. et al.
patent: 4626334 (1986-12-01), Ohe et al.

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