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Publication of FR673318ApublicationCriticalpatent/FR673318A/fr
D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C1/00—Pretreatment of the finely-divided materials before digesting
FR673318D1928-07-271928-07-27Procédé pour rendre les bois résineux propres à la fabrication de la pâte à papier au bisulfite
ExpiredFR673318A
(fr)
Procédé pour alcaliniser les lessives résiduelles de la fabrication de la cellulose à la soude caustique ou au sulfate, en vue de leur distillation à sec