Application of xylanases in prebleaching of bamboo kraft pulp

被引：0
|
作者：
Bajpai, P
Bajpai, PK
机构：
来源：
TAPPI JOURNAL | 1996年 / 79卷 / 04期
关键词：
bamboo; bleaching; enzymatic activity; enzymes; kraft pulps; multistage process; pretreatment; xylanase;
D O I：
暂无
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
The effectiveness of a dozen commercial xylanase enzymes has been evaluated for prebleaching bamboo kraft pulp. Different xylanases varied in the maximum obtainable effect. The enzymes Bleachzyme F and Irgazyme 40S can decrease the active Cl-2 requirement in the first state of bleaching by 20% or decrease the ClO2 in the last stage of brightening by 4 kg/metric ton pulp in the C(D)EHD sequence. Alternatively, at the same chemical charge, it is possible to increase the final brightness approaching 89% ISO. The use of enzymes has no adverse effect on the pulp viscosity and strength properties.
引用
收藏
页码：225 / 230
页数：6
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