C - Chemistry – Metallurgy – 25 – B
Patent
C - Chemistry, Metallurgy
25
B
204/80
C25B 1/26 (2006.01) C01B 11/02 (2006.01)
Patent
CA 1252753
13 ABSTRACT OF THE DISCLOSURE Chlorine is selectively cathodically electrolytically removed from aqueous solutions of chlorine dioxide and chlorine by the application of an electrode potential at a pH of the aqueous solution of up to about 4. Chlorine is electrolytically reduced to chloride ions while the concentration of the chlorine dioxide remains substantially the same in the treated solution. The chlorine reduction is effected directly at pH values up to about 2 using a low overpotential cathode and indirectly at pH values up to about 4 using a high overpotential cathode.
521735
Sim & Mcburney
Superior Plus Inc. / Superieur Plus Inc.
Tenneco Canada Inc. (erco Division)
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