EP 0547100 B1 19950222 - PROCESS FOR TREATMENT OF LIGNOCELLULOSIC PULP AND APPARATUS FOR PERFORMANCE OF THE PROCESS.
Title (en)
PROCESS FOR TREATMENT OF LIGNOCELLULOSIC PULP AND APPARATUS FOR PERFORMANCE OF THE PROCESS.
Title (de)
HERSTELLUNGSVERFAHREN VON LIGNOZELLULOSISCHEM ZELLSTOFF UND VORRICHTUNG ZUR DURCHFÜHRUNG DES VERFAHRENS.
Title (fr)
PROCEDE DE TRAITEMENT DE LA PATE LIGNOCELLULOSIQUE ET APPAREIL PERMETTANT DE REALISER CE PROCEDE.
Publication
Application
Priority
- DK 9100239 W 19910821
- DK 203490 A 19900824
Abstract (en)
[origin: WO9203608A1] A process for treatment of lignocellulosic pulp comprising a multistage washing of the unbleached kraft brown stock and a xylanase treatment. The xylanase treatment is carried out in a holding tank introduced upstream the first washing unit or downstream one or more of the other washing units except for the last washing unit.
IPC 1-7
IPC 8 full level
C12S 3/08 (2006.01); D21C 5/00 (2006.01); D21C 9/02 (2006.01); D21C 9/10 (2006.01)
CPC (source: EP)
D21C 5/005 (2013.01); D21C 9/02 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
WO 9203608 A1 19920305; AT E118842 T1 19950315; BR 9106763 A 19930629; CA 2090338 A1 19920225; DE 69107620 D1 19950330; DK 203490 D0 19900824; EP 0547100 A1 19930623; EP 0547100 B1 19950222; ES 2069307 T3 19950501; FI 930803 A0 19930223; FI 930803 A 19930223; JP H05509137 A 19931216; NZ 239501 A 19930127
DOCDB simple family (application)
DK 9100239 W 19910821; AT 91915560 T 19910821; BR 9106763 A 19910821; CA 2090338 A 19910821; DE 69107620 T 19910821; DK 203490 A 19900824; EP 91915560 A 19910821; ES 91915560 T 19910821; FI 930803 A 19930223; JP 51477491 A 19910821; NZ 23950191 A 19910822