COST EFFICIENT KRAFT COOKING METHOD USING POLYSULFIDE COOKING LIQUOR

The invention is related to a method for the preparation of kraft pulp with increased pulping yield from lignin-containing cellulosic material using polysulfide cooking liquor. In order to obtain a cost efficient system both in aspects of investment costs but also in aspects of heat economy of opera...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	STEFAN ANTONSSON, KRISTER OLSSON
Format:	Patent
Sprache:	eng ; por
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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