C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
204/143
C25C 3/06 (2006.01) C25C 3/08 (2006.01)
Patent
CA 1108092
Title of the Invention: Aluminum Electrolytic Cell Abstract of the Disclosure: An aluminum electrolytic cell wherein, in a sealed type electrolytic cell having a raw material aluminum chloride feeding port and chlorine gas discharging ports in the top part and a molten metal reservoir in the bottom part and provided with an electrode part in the intermediate part so that a molten salt electrolytic bath containing aluminum chloride is electrolyzed in the cell and molten aluminum is collected from the metal reservoir in the bottom part, the electrode part is formed of funnel-shaped electrodes laminated at a fixed distance between the electrodes or a pair of right and left electrode plate groups opposed to each other at a fixed distance between them and inclined to be lower inward at least one intermediate bi-polar electrode is provided between both cathode and anode and a gas rising passage is formed between the outer edges of the funnel-shaped electrodes or the electrode plates and -the inner wall of the cell to prevent the rechlorination of aluminum after the electrolysis.
290930
Ichikawa Hachiro
Ishikawa Tatsuo
Iuchi Toshiaki
Konda Shoichi
Kirby Eades Gale Baker
Nippon Light Metal Company Limited
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