C - Chemistry – Metallurgy – 25 – B
Patent
C - Chemistry, Metallurgy
25
B
C25B 1/26 (2006.01) C25B 1/10 (2006.01) C25B 15/08 (2006.01)
Patent
CA 2084183
The formation of sodium sulfate by-product in sulfuric acid-based chlorine dioxide generating processes is decreased and preferably eliminated entirely, by effecting electrochemical treatment of sodium ion-containing feed materials for the generator to remove sodium ions and to add hydrogen ions. Sodium hydroxide may be produced as a by-product. The process is generally applicable to the electrochemical treatment of alkali metal chlorates, alkali metal sulfates and mixtures thereof to produce acidified solutions useful in providing chlorate ion-containing feeds to such chlorine dioxide generating processes or for other purposes.
Bechberger Edward J.
Cowley Gerald
Lipsztajn Marek
Swindells Richard
Twardowski Zbigniew
Sim & Mcburney
Sterling Canada Inc.
Superior Plus Lp
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