Electrolysis of hydrogen halide in cell with catalytic...

Details Electrolysis of hydrogen halide in cell with catalytic... Electrolysis of hydrogen halide in cell with catalytic...

C - Chemistry, Metallurgy

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204/78.1

C25B 1/26 (2006.01) C25B 1/24 (2006.01) C25B 1/46 (2006.01) C25B 9/10 (2006.01) C25B 11/04 (2006.01)

Patent

CA 1125697

52-EE 0-300 ABSTRACT OF THE DISCLOSURE A halogen such as chlorine is produces by electrolysis of an aqueous solution of a hydrogen halide such as hydrochloric acid in an electrolysis cell having anolyte and catholyte chambers separated by a solid polymer electrolyte in the form of a stable, selectively permeable, hydrated ion-exchange membrane. Catalytic anode and cathode electrodes in the form of fluorocarbon bonded, thermally stabilized, reduced oxides of platinum group metals are bonded to and embedded in opposite sides of the membrane. An aqueous hydrochloric acid solution is brought into contact with the anode to generate chlorine at the anode and hydrogen at the cathode.

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