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Optimization of flax fiber separation by leaching
KTH, Tidigare Institutioner                               , Pappers- och massateknik.
KTH, Tidigare Institutioner                               , Pappers- och massateknik.
2000 (engelsk)Inngår i: Cellulose Chemistry and Technology, ISSN 0576-9787, Vol. 34, nr 04-mar, s. 331-340Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
2000. Vol. 34, nr 04-mar, s. 331-340
Emneord [en]
flax, retting, ethylenediaminetetraacetic acid, leaching
Identifikatorer
URN: urn:nbn:se:kth:diva-21048ISI: 000171754800012OAI: oai:DiVA.org:kth-21048DiVA, id: diva2:339745
Merknad
QC 20100525Tilgjengelig fra: 2010-08-10 Laget: 2010-08-10 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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