Stabilization of cellulosic material by treatment with ferricyanide ion

Stabilization of cellulosic material by treatment with ferricyanide ion

A method of stabilizing a cellulosic material against degradation by an aqueous alkaline medium. The cellulosic material is treated with a ferricyanide ion under alkaline conditions. The preferred application of the method is in the production of pulp for paper making and the preferred cellulosic ma...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PROCTER, ALAN R
Format: Patent
Sprache:eng
Schlagworte:
APPARATUS THEREFOR
PAPER-MAKING
PRODUCTION OF CELLULOSE
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS
REGENERATION OF PULPING LIQUORS
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Beschreibung
Zusammenfassung:A method of stabilizing a cellulosic material against degradation by an aqueous alkaline medium. The cellulosic material is treated with a ferricyanide ion under alkaline conditions. The preferred application of the method is in the production of pulp for paper making and the preferred cellulosic material is thus wood. The treating with the ferricyanide ion may take place prior to the pulping or during the pulping.