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Enzymatic-mechanical pulping of bast fibers from flax and hemp
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2005 (English)In: Cellulose Chemistry and Technology, ISSN 0576-9787, Vol. 39, no 02-jan, 95-103 p.Article in journal (Refereed) Published
Abstract [en]

A technique for pulping of bast fibers of flax (Linum usitatissimum) and hemp (Cannabis sativa), based on treatment with cellulolytic and pectinolytic enzymes has been developed. Initially the bast fibers were mechanically separated from shieves and subjected to washing with diluted acid, followed by enzyme treatment, an alkaline hydrogen peroxide bleaching step that also inactivated the enzymes, and finally beating in a laboratory beater. Brightness, dewatering and strength of handsheets were comparable with the traditionally-made pulps. Fibers not treated with enzymes could not be beaten. The main pulping effect is related to cellulases, but the presence of pectinases influenced both brightness and strength properties.

Place, publisher, year, edition, pages
2005. Vol. 39, no 02-jan, 95-103 p.
Keyword [en]
biotechnology, flax, hemp, mechanical pulping, cellulase, pectinase, cell-wall, cellulase, industry
URN: urn:nbn:se:kth:diva-14801ISI: 000229625300009ScopusID: 2-s2.0-28844470004OAI: diva2:332842
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Henriksson, Gunnar
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Wood Chemistry and Pulp Technology
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