VERFAHREN ZUR ZELLSTOFFHERSTELLUNG MIT EINER MISCHUNG VON ESSIGSÄURE UND AMEISENSÄURE ALS KOCHCHEMIKALIEN

VERFAHREN ZUR ZELLSTOFFHERSTELLUNG MIT EINER MISCHUNG VON ESSIGSÄURE UND AMEISENSÄURE ALS KOCHCHEMIKALIEN

A process based on formic acid cooking for producing pulp from herbaceous plants and deciduous trees by using acetic acid as an additional cooking chemical. The obtained pulp can be used in fine paper and board production as short-fibered material, for instance. The invention also relates to a proce...

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Bibliographische Detailangaben
Hauptverfasser: ROUSU, PAEIVI, ROUSU, PASI, ROUSU, ESA
Format: Patent
Sprache:ger
Schlagworte:
APPARATUS THEREFOR
PAPER-MAKING
PRODUCTION OF CELLULOSE
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS
REGENERATION OF PULPING LIQUORS
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Beschreibung
Zusammenfassung:A process based on formic acid cooking for producing pulp from herbaceous plants and deciduous trees by using acetic acid as an additional cooking chemical. The obtained pulp can be used in fine paper and board production as short-fibered material, for instance. The invention also relates to a process for adjusting the hemicellulose content of the pulp in connection with the formic acid cooking by using acetic acid as an additional cooking chemical.