PROCESS FOR PRODUCTION OF BLEACHED PULP

PROCESS FOR PRODUCTION OF BLEACHED PULP

A process for the production of bleached pulp which comprises subjecting unbleached pulp obtained by digesting a lignocellulosic material to oxygen-alkali bleaching and then elementary-chlorine-free bleaching involving chlorine dioxide treatment, wherein peroxomonosulfuric acid is jointly used in at...

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Hauptverfasser: KOSHITSUKA, TETSUO, YOSHIDA, KIYOSHI, KUWABARA, EIKO, ISHII, TAKASHI
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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creator KOSHITSUKA, TETSUO
YOSHIDA, KIYOSHI
KUWABARA, EIKO
ISHII, TAKASHI
description A process for the production of bleached pulp which comprises subjecting unbleached pulp obtained by digesting a lignocellulosic material to oxygen-alkali bleaching and then elementary-chlorine-free bleaching involving chlorine dioxide treatment, wherein peroxomonosulfuric acid is jointly used in at least one of the stages of chlorine dioxide treatment to reduce the amount of chlorine dioxide used and to improve the discoloration resistance of bleached pulp.
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subjects APPARATUS THEREFOR
PAPER-MAKING
PRODUCTION OF CELLULOSE
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS
REGENERATION OF PULPING LIQUORS
TEXTILES
title PROCESS FOR PRODUCTION OF BLEACHED PULP
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