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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
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FR570353D1923-08-301923-08-30Produit accélérant l'action du chlore ou des hypochlorites et ses applications au blanchiment des fibres végétales
ExpiredFR570353A
(fr)
Traitement des végétaux contenant des fibres textiles ou autres par l'action de la soude caustique à l'état naissant et en agitation continuelle
Appareil électrolyseur à tablier entraineur, applicable au blanchiment et dégraissage des fibres végétales et animales, tissus, pate à papier, et au traitement de tous liquides