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Priority claimed from PCT/US1990/005933external-prioritypatent/WO1991005908A1/en
Application filed by Int Paper CofiledCriticalInt Paper Co
Publication of NO912331D0publicationCriticalpatent/NO912331D0/en
Publication of NO912331LpublicationCriticalpatent/NO912331L/en
Fremgangsmåte ved fremstilling av bleket lignocellulose for anvendelse i masse- og papirindustrien, hvilken masse har et nedsatt totalt organisk bundet klor og nedsatt lyshetsreversering. Lignocellulosemassen under-kastes ett eller flere xylanasebehandlingstrinn i kombinasjon med ett eller flere kjemiske bleketrinn.Process for the preparation of bleached lignocellulose for use in the pulp and paper industry, which pulp has a reduced total organically bound chlorine and reduced brightness reversal. The lignocellulosic mass is subjected to one or more xylanase treatment steps in combination with one or more chemical bleaching steps.
NO91912331A1989-10-181991-06-17
PROCEDURE FOR BLACKING WITH REDUCED ORGANIC CHLORIDE CONTENTS.
NO912331L
(en)