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ELECTROCHLORE
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ELECTROCHLORE
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Publication of FR803642ApublicationCriticalpatent/FR803642A/fr
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
D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
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FR803642D1935-06-211935-06-21Procédé et appareil pour la fabrication de la cellulose alpha pure
ExpiredFR803642A
(fr)