Chlorine dioxide generation for water treatment

Chlorine dioxide generation for water treatment

Chlorine dioxide is generated by electrochemical oxidation of sodium chlorite in an anode compartment of a cation-exchange membrane-divided cell in the presence of significant quantities of sodium chlorate and is recovered in a suitable recipient medium by passing the chlorine dioxide through a hydr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: GERALD COWLEY,RON K. SCHAIBLE,MAREK LIPSZTAJN
Format: Patent
Sprache:eng
Schlagworte:
APPARATUS THEREFOR
CHEMISTRY
COMPOUNDS THEREOF
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:Chlorine dioxide is generated by electrochemical oxidation of sodium chlorite in an anode compartment of a cation-exchange membrane-divided cell in the presence of significant quantities of sodium chlorate and is recovered in a suitable recipient medium by passing the chlorine dioxide through a hydrophobic microporous membrane. Water balance in a continuous operation is maintained by removing water from the anolyte by transporting the same partly across the hydrophobic microporous membrane in vapor form and partly across the cation-exchange membrane.