Method of preventing deterioration of palladium oxide anode in a diaphragm type alkali metal chloride electrolytic cell

Method of preventing deterioration of palladium oxide anode in a diaphragm type alkali metal chloride electrolytic cell

A deterioration of a palladium oxide type anode is prevented which is caused by stopping an operation of a diaphragm type electrolytic cell for electrolysis of an alkali metal chloride comprising increasing a concentration of hypochlorite ions in an anolyte to give a predominant anode potential in s...

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Bibliographische Detailangaben
Hauptverfasser: SHIBATA, HIDENORI, SAITO, KOHJI
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
APPARATUS THEREFOR
CHEMISTRY
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS
METALLURGY
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Zusammenfassung:A deterioration of a palladium oxide type anode is prevented which is caused by stopping an operation of a diaphragm type electrolytic cell for electrolysis of an alkali metal chloride comprising increasing a concentration of hypochlorite ions in an anolyte to give a predominant anode potential in shortcircuit state higher than a reduction potential of palladium oxide.