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ILE D ETUDE DES FIBRES CELLULO
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ILE D ETUDE DES FIBRES CELLULO
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Application filed by ILE D ETUDE DES FIBRES CELLULOfiledCriticalILE D ETUDE DES FIBRES CELLULO
Application grantedgrantedCritical
Publication of FR953319ApublicationCriticalpatent/FR953319A/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
D—TEXTILES; PAPER
D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
D21B1/00—Fibrous raw materials or their mechanical treatment
D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
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Life Sciences & Earth Sciences
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Mechanical Engineering
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FR953319D1946-10-111947-09-23Nouveau procédé de traitement de végétaux en vue de l'extraction de la cellulose
ExpiredFR953319A
(fr)