Electrochemical processing of aqueous solutions

Details Electrochemical processing of aqueous solutions Electrochemical processing of aqueous solutions

1991-04-19

1993-03-30

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204 95, 204 98, C25B 116, C25B 122, C25B 126

Patent

active

051980800

ABSTRACT:
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.

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