C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
204/46
C25C 3/34 (2006.01) C25B 1/26 (2006.01) C25C 3/00 (2006.01) C25C 7/02 (2006.01)
Patent
CA 1122563
C-4-20320C/78 ABSTRACT OF THE DISCLOSURE A method of electrolyzing a molten chloride which comp- rises electrolyzing a molten bath of a chloride of a metal more base than hydrogen, such as sodium, magnesium, calcium or aluminum, in an electrolytic cell containing an anode and a cathode to form chlorine at the surface of the annode and the metal at the surface of the cathode, wherein the anode comprises an electrically conductive substrate resistant to corrosion by the molten bath of the metal chloride and the electrolysis products thereof and having thereon a coating of a noble metal oxide, and with the electrolysis being carried out in the presence of an oxide or oxychloride of a metal more base than the metal formed at the cathode where the concentration of the oxide or oxy- chloride of the metal present in the molten bath, expressed as the mole fraction of free oxygen, is at least about 1 x 10-4.
313110
Minami Takeshi
Toda Shinichi
Chlorine Engineers Corp. Ltd.
George H. Riches And Associates
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