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Optimization of flax fiber separation by leaching
KTH, Superseded Departments, Pulp and Paper Technology.
KTH, Superseded Departments, Pulp and Paper Technology.
2000 (English)In: Cellulose Chemistry and Technology, ISSN 0576-9787, Vol. 34, no 04-mar, 331-340 p.Article in journal (Refereed) Published
Abstract [en]

The abilities of four chelators to separate bast fibers of non-retted oilseed flax from each other and the core and cuticle have been investigated at different pH level. EDTAand DTPA separate fibers efficiency at pH 10. Addition of a strong detergent (Sodium dodecyl sulphate, SDS) or sodium chloride further increased the fiber separation and so delignifying compounds hydrogen peroxide and sodium sulfite. A mixture of EDTA, SDS and hydrogen peroxide gave a complete fiber separation within 2 h at 70 degrees and pH 10. The fibers in the woody core of the flax straw did not separate under these conditions. The mechanistic background to fiber separation is discussed.

Place, publisher, year, edition, pages
2000. Vol. 34, no 04-mar, 331-340 p.
Keyword [en]
flax, retting, ethylenediaminetetraacetic acid, leaching
Identifiers
URN: urn:nbn:se:kth:diva-21048ISI: 000171754800012OAI: oai:DiVA.org:kth-21048DiVA: diva2:339745
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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