PRETREATMENT PROCESS OF A LIGNO-CELLULOSIC FEEDSTOCK

It is disclosed a process to transfer a ligno-cellulosic feedstock from a low pressure zone to a high pressure zone. A slurry the ligno-cellulosic feedstock is first provided, which is then subjected to a multi-step liquid removal process comprising draining by gravity at least a portion of the free...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BONALDI, ETTORE, GHISOLFI, GUIDO
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS THEREFOR PAPER-MAKING PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS TEXTILES
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