Study on ECF bleaching of bamboo kraft pulp boosted by xylanase

被引：0
|
作者：
Chen Lihui [1 ]
Huang Liulian [1 ]
Zhang Jangchun [1 ]
Cao Shilin [1 ]
机构：
[1] Fujian Agr & Forestry Univ, Inst Mat Engn, Fujian 350002, Peoples R China
来源：
NEW TECHNOLOGIES IN NON-WOOD FIBER PULPING AND PAPERMAKING | 2006年
关键词：
xylanase; bamboo pulp; ECF; boost of bleachability;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Elemental Chlorine Free (ECF) bleaching of bamboo kraft pulp was boosted by xylanase treatment. The optimal conditions of xylanase treatment for bamboo kraft pulps are pH 9.0, temperature 65 C, xylanase dosage 1.0x10(-7) mol s(-1).g(-1), time 30 min, pulp consistency 4%. Brightness of bamboo kraft pulp bleached by O-D-1-E-op-D-2 procedure was 85.0%ISO, and was up to 88.5%ISO with xylanase pre-treatment. The reason for boosting pulp bleaching with xylanase treatment is the surface modification of kraft pulp fibres, which were revealed by scanning electron microscopy.
引用
收藏
页码：395 / 399
页数：5
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