Elementary kenaf fibre extraction

descriptionPublicationkeyboard_double_arrow_right Article , Conference object , Other literature type , Report 01 Jan 2015 Australia Publisher:School of Civil Engineering, The University of QueenslandJournal:Proceedings of the Second International Conference on Performance-based and Life-cycle Structural Engineering (PLSE 2015)

Authors: Soatthiyanon, N; Crosky, A;

doi: 10.14264/uql.2016.850

handle: 1959.4/unsworks_38367

Elementary kenaf fibre extraction

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Abstract

Elementary kenaf fibres were separated by the HNO3 treatment and the H2O2/CH3COOH treatment. It wasfound that the HNO3 treatment caused fibre fragmentation causing a decrease in the fibre length and an increasein the fibre defect density. However, the H2O2/CH3COOH treatment was not strong as the HNO3 treatment andthis had much less effect on the fibre length and the fibre defects. The fibres had an average length of 0.2 mmand 2.3 mm and an aspect ratio of 15 and 179 for the HNO3 treated fibres and the H2O2/CH3COOH treatedfibres, respectively. The defect density of the HNO3 treated fibres and the H2O2/CH3COOH treated fibres was21 and 14 defects/mm, respectively. Both the treatments removed lignin, pectin and waxes. They also increasedcellulose crystallinity in the fibres, especially for the HNO3 treatment. However, these treatments resulted insome oxidation of cellulose to occur.

Country

Australia

Related Organizations

UNSW Sydney
Australia

Keywords

elementary fibres, fibre isolation, fibre extraction, 540, 530, Kenaf, fibre separation

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