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Publication of JPS5196505ApublicationCriticalpatent/JPS5196505A/ja
Publication of JPS5220562B2publicationCriticalpatent/JPS5220562B2/ja
D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
D21C9/10—Bleaching ; Apparatus therefor
D21C9/1026—Other features in bleaching processes
D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes