METHOD OF PRODUCING ALKALI METAL HYDROXIDE

The invention concerns a method for producing an alkali metal hydroxide by a chlor-alkali electrolysis (1), wherein an alkali metal chloride solution is electrolyzed in order to form alkali metal hydroxide, chlorine and hydrogen, wherein at least a part of the alkali metal chloride used in the elect...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TIMO KULLERVO SUONPERYA, KEJJO ALLAN UKKONEN, ERKKI MATTI KESKITALO
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR CHEMISTRY COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM COMPOUNDS THEREOF ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS
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Beschreibung
Zusammenfassung:	The invention concerns a method for producing an alkali metal hydroxide by a chlor-alkali electrolysis (1), wherein an alkali metal chloride solution is electrolyzed in order to form alkali metal hydroxide, chlorine and hydrogen, wherein at least a part of the alkali metal chloride used in the electrolysis is prepared by neutralizing (2) an alkali metal carbonate with chlorine or hydrogen chloride.