Xylanase bleaching of Eucalyptus kraft pulp - An economical TCF process

被引：0
|
作者：
Vidal, T [1 ]
Munoz, M [1 ]
Colom, JF [1 ]
机构：
[1] Univ Politecn Catalunya, ETSEIT, Terrassa 08222, Spain
来源：
7TH INTERNATIONAL CONFERENCE ON BIOTECHNOLOGY IN THE PULP AND PAPER INDUSTRY - POSTER PRESENTATIONS VOL C | 1998年
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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 use of xylanase in Eucalyptus kraft pulp bleaching improves bleachability in subsequent stages. Xylanase treated pulp XAZRP has a higher brightness (91.3% ISO) in comparison with untreated pulp AZRP (88.6% ISO). At the same final brightness, the enzymatic treated pulp can save 67 % of sodium borohydride which is the most expensive bleaching agent used and 43 % of hydrogen peroxide. Enzymatic treatment has no influence on aging properties of pulps.
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页码：C11 / C14
页数：4
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