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D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C3/00—Pulping cellulose-containing materials
D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
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FR722837D1930-11-261931-09-11Procédé de réduction de pailles, d'herbes, etc., pour la fabrication du papier et du carton
ExpiredFR722837A
(fr)
Dispositif automatique de régulation pour l'obtention de feuilles de caractéristiques constantes, applicables aux machines à papier, à carton, ou pour la fabrication d'autres produits similaires