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FORFARANDE FOR SAMTIDIG TORKNING AV MEKANISKA TREMASSAFIBRER OCH FORBETTRING AV DEN MEKANISKA STYRKAN OCH LJUSHETEN HOS DESSA

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Title:
FORFARANDE FOR SAMTIDIG TORKNING AV MEKANISKA TREMASSAFIBRER OCH FORBETTRING AV DEN MEKANISKA STYRKAN OCH LJUSHETEN HOS DESSA
Author: 4)I YAMADA ; 3)Y OKAZAKI ; 2)K KOIDE ; 1)H TSUKAMOTO
Subjects: APPARATUS THEREFOR ; FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT ; PAPER-MAKING ; PRODUCTION OF CELLULOSE ; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS ; REGENERATION OF PULPING LIQUORS ; TEXTILES
Description: Disclosed is a process for simultaneously drying mechanical wood pulp and improving the mechanical strength and brightness of the wood pulp by mixing mechanical wood pulp with an aqueous solution of at least one sulfonating compound, the resultant mixture having a dry solid consistency of 20 to 50% of the wood pulp, based on the weight of said mixture and; bringing the mixture into contact with a heating gas having a temperature higher than 100 DEG C. to cause the dry solid consistency of the wood pulp in the mixture to be increased to a range of from 65 to 90% by weight.
Creation Date: 1985
Language: Swedish
Source: esp@cenet

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