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Application filed by Kopparfors AbfiledCriticalKopparfors Ab
Publication of FI752508A7publicationCriticalpatent/FI752508A7/fi
Publication of FI58521BpublicationCriticalpatent/FI58521B/fi
Application grantedgrantedCritical
Publication of FI58521CpublicationCriticalpatent/FI58521C/fi
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
D21C3/22—Other features of pulping processes
D21C3/222—Use of compounds accelerating the pulping processes
FI752508A1974-09-061975-09-05Saett att oeka cellulosautbytet vid sulfitkokning av ved
FI58521C
(fi)