EFFECT OF ENZYME TREATMENT ON OXYGEN DELIGNIFICATION OF ACACIA KRAFT PULP

被引：0
|
作者：
Wang Yuxiu [1 ]
Tong Guolin [1 ]
You Jixue [1 ]
机构：
[1] Nanjing Forestry Univ, Jiangsu Prov Key Lab Pulp & Paper Sci & Technol, Nanjing 210037, Peoples R China
来源：
RESEARCH PROGRESS IN PAPER INDUSTRY AND BIOREFINERY (4TH ISETPP), VOLS 1-3 | 2010年
关键词：
laccase/xylanase system; xylanase treatment; oxygen delignification;
D O I：
暂无
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
The effects of four types of enzyme (systems) treatment on oxygen delignification for Acacia Kraft pulp were investigated. The optimal treatment conditions of laccase/xylanase system (LXS) and xylanase (X) were determined. The results indicated that the optimum enzyme dosage of LXS was 7IU/g, while it changed to 5IU/g in the subsequent process, for X it was 6IU/g and 4IU/g respectively. For all of the enzyme(system), it was clearly showed that the effect of a subsequent treatment was better than that of the pretreatment. Compared with other enzyme (system), the high-temperature-resistance xylanase (X(HT)) was more appreciated to combine with oxygen delignification in the four enzyme systems to improve the delignification effects and reduce the application costs.
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收藏
页码：649 / 652
页数：4
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