Processes for preventing the generation of a mist of electrolyte

Details Processes for preventing the generation of a mist of electrolyte Processes for preventing the generation of a mist of electrolyte

1976-03-22

1978-02-21

Prescott, Arthur C.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204DIG1, 204114, 204278, 204282, C25C 112

Patent

active

040750698

ABSTRACT:
The present invention provides a process for preventing the generation of a mist of electrolyte in the electrowinning metal recovery which is carried out by using an aqueous solution of a metal salt as an electrolyte and an insoluble electrode, said process being characterized in that said electrode is surrounded with an inert woven fabric screen over the area of the electrode plate from a position above the level of electrolyte to the bottom in parallel with and in the vicinity of the electrode plate; and the electrode for use in recovering a metal by the electrolysis. Furthermore, the present invention provides a means for recovering gas generated on the electrode, said means being characterized in that part of an electrode beam except for an electric contact part and such electrode plate surrounded with the inert woven fabric screen as mentioned above (this combination is referred to as an electrode plate assembly hereinafter) are covered and sealed with an inert, gas-impermeable film in such a manner that the film is close to the opposite sides of the screen and the lower ends of the film is extended below the level of electrolyte, thereby recovering gases generated on the electrode through a gas outlet; and a process using said means.

REFERENCES:
patent: 264927 (1882-09-01), Cassel
patent: 831474 (1906-09-01), Roberts
patent: 2710832 (1955-06-01), Harr
patent: 3200055 (1965-08-01), Scacciati
patent: 3821097 (1974-06-01), Ettel
patent: 3948747 (1976-04-01), Cordiano et al.

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