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Recent developments in the application of xylanase enzymes in elemental chlorine-free (ECF) and total chlorine-free (TCF) bleaching

Pulp & paper Canada, 1995-10, Vol.96 (10), p.20-24

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Title:
Recent developments in the application of xylanase enzymes in elemental chlorine-free (ECF) and total chlorine-free (TCF) bleaching
Author: Dunlop-Jones, N ; Gronberg, V
Subjects: biobleaching ; bleaching ; chlorine ; hardwood ; O-glycoside hydrolases ; Pulp bleaching ; softwood ; wood pulp
Is Part Of: Pulp & paper Canada, 1995-10, Vol.96 (10), p.20-24
Description: The use of biotechnology continues to attract increasing attention in pulp bleaching where there are now commercial applications of hemicellulolytic xylanase enzymes. A number of reasons are cited for using enzymes in bleaching: environmental; economic; pulp quality; and flexibility. Although environmental pressures on the pulp producers were responsible for the initial interest in new technologies or biochemical solutions for eliminating chlorine-containing chemicals, and this is still perhaps the case in certain parts of the world, there is now a consumer-led demand for ECF and TCF pulps. The production of these pulps offers opportunities to use enzymes, which provide a simple and cost-effective way to reduce the use of bleaching chemicals. Results of international experience with enzymes in ECF and TCF bleaching are shown and the contribution of enzymes to the economics of pulp bleaching are discussed.
Publisher: Westmount: Annex Publishing & Printing, Inc
Language: English
Identifier: ISSN: 0316-4004
EISSN: 1923-3515
Source: AUTh Library subscriptions: ProQuest Central

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