Some properties of eucalyptus kraft pulp treated with xylanase from Aspergillus niger

被引:17
作者
Maximo, C [1 ]
Costa-Ferreira, M [1 ]
Duarte, J [1 ]
机构
[1] INETI Natl Inst Ind Engn & Technol, P-1699 Lisbon, Portugal
关键词
Aspergillus niger; biobleaching; eucalyptus kraft pulp; xylanase;
D O I
10.1023/A:1008861127351
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
An Aspergillus niger isolate produced about 2500 nkat xylanase/ml when cultivated in a medium containing 3% xylose. Application of the crude xylanolytic preparation to unbleached eucalyptus kraft pulp resulted in a decreased kappa number and increased brightness. Handsheets made from the xylanase-treated pulp after ECF bleaching retained good structural and mechanical characteristics.
引用
收藏
页码:365 / 367
页数:3
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