Method of generating aqueous chlorine dioxide
AssigneeSabre Oxidation Technologies, Inc.
InventorsJohn Y. Mason, Gary W. Kielman, William R. Griffin, Dorman N. Mitchim
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Abstract
A solid-state chlorine dioxide generator for generating an aqueous solution of ClO2 is formed within a block comprising an eductor for establishing a vacuum pressure and a reaction column for producing ClO2 from precursor chemicals. The eductor has a water stream flowing therethrough which establishes a vacuum pressure and draws the ClO2 from the reaction column into the water stream to form an aqueous ClO2 solution. The reaction chamber comprises a novel transition zone of increasing flow area wherein the precursor chemicals thoroughly mix resulting in conversion efficiencies of precursors into ClO2 of 95% and above.
Claims10
A method for producing an aqueous solution of chlorine dioxide comprising
- (a) mixing chlorine in a flow transition zone with sodium chlorite to form chlorine dioxide gas, said zone having an increasing diameter in the flow direction;
- (b) flowing the chlorine dioxide gas through a reaction column;
- (c) bringing the chlorine dioxide gas into contact with a water stream under a vacuum pressure whereby the chlorine dioxide gas is drawn into the water to form a chlorine dioxide aqueous solution.
A method of producing an aqueous solution of chlorine dioxide compising:
- (a) flowing water through an eductor;
- (b) mixing reactants of chlorine and sodium chlorite in a reaction column to form chlorine dioxide gas, the reaction column having an increasing flow area in which the reactants react to form the chlorine dioxide gas;
- (c) discharging the chlorine dioxide gas from the reaction column into the eductor wherein the gas and water flowing therethrough mix forming an aqueous solution of chlorine dioxide.
Dependencies are inferred from the claim text.