Method of producing sols by electrodialysis

Details Method of producing sols by electrodialysis Method of producing sols by electrodialysis

1979-01-24

1980-05-20

Prescott, Arthur C.

Chemistry: electrical and wave energy

Apparatus

Coating, forming or etching by sputtering

204 1R, 204180P, B01D 1302

Patent

active

042038227

ABSTRACT:
A method of producing a sol of an element selected from the group consisting silicon, aluminum, antimony, chromium, manganese, molybdenum, tin and tungsten comprising electrodialytically transferring alkali metal cations of an aqueous solution of a water soluble alkali metal salt of the oxide of the said element from an anode compartment of an electrolytic cell to a cathode compartment of the electrolytic cell while essentially preventing the migration of the metal oxide into the cathode compartment by positioning a cation permselective membrane between the anode compartment and the cathode compartment while carefully and continuously controlling the pH of the solution and removing the so-produced sol from the anode compartment of the electrolytic cell as well as a novel electrodiayltic cell for sol formation.

REFERENCES:
patent: 3716459 (1973-02-01), Salter et al.
patent: 3755114 (1973-08-01), Tarjanyi et al.
patent: 3945892 (1976-03-01), James et al.
patent: 3966571 (1976-06-01), Gagnon et al.
patent: 3969201 (1976-07-01), Oloman et al.
Wilson, "Demineralization by Electrodialysis," (1960), TD, 433 PTG-2, pp. 38-41. _

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