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Enzymatic-mechanical pulping of bast fibers from flax and hemp
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2005 (Engelska)Ingår i: Cellulose Chemistry and Technology, ISSN 0576-9787, Vol. 39, nr 02-jan, s. 95-103Artikel i tidskrift (Refereegranskat) 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.

Ort, förlag, år, upplaga, sidor
2005. Vol. 39, nr 02-jan, s. 95-103
Nyckelord [en]
biotechnology, flax, hemp, mechanical pulping, cellulase, pectinase, cell-wall, cellulase, industry
Identifikatorer
URN: urn:nbn:se:kth:diva-14801ISI: 000229625300009Scopus ID: 2-s2.0-28844470004OAI: oai:DiVA.org:kth-14801DiVA, id: diva2:332842
Anmärkning
QC 20100525Tillgänglig från: 2010-08-05 Skapad: 2010-08-05 Senast uppdaterad: 2022-10-11Bibliografiskt granskad

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Henriksson, Gunnar
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Träkemi och massateknologi
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Cellulose Chemistry and Technology

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