Investigation of laccase/N-hydroxybenzotriazole delignification of kraft pulp

被引：36

作者：

Sealey, J ^{[1
]}

Ragauskas, AJ ^{[1
]}

机构：

[1] Inst Paper Sci & Technol, Atlanta, GA 30318 USA

来源：

JOURNAL OF WOOD CHEMISTRY AND TECHNOLOGY | 1998年 / 18卷 / 04期

关键词：

D O I：

10.1080/02773819809349588

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：

N-hydroxybenzotriazole, a mediator for laccase delignification of kraft pulps, was shown to be unstable under the biobleaching conditions. The treatment of N-hydroxybenzotriazole either with laccase alone or in the presence of kraft pulp yielded benzotriazole. The reductive conversion of N-hydroxybenzotriazole to benzotriazole was found to occur rapidly in the presence of pulp. Furthermore, benzotriazole was found to be inactive as a mediator for laccase catalyzed delignification of kraft pulps. Hence, the overall conversion of N-hydroxybenzotriazole to benzotriazole is detrimental towards the bio-delignification process.

引用

页码：403 / 416

页数：14

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