کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
681749 | 888961 | 2011 | 4 صفحه PDF | دانلود رایگان |
Corn stalk pretreated with white-rot fungus Trametes hirsute was used to produce fiberboard by hot pressing without adhesive. The moduli of rupture and elasticity of the corn-stalk-based fiberboard were increased 3.40- and 8.87-fold when bio-pretreated rather than untreated corn stalk was used. Fourier transform infra-red spectroscopy, X-ray diffraction, and chemical analysis showed that bio-pretreated corn stalk increased the mechanical properties of the fiberboard because it had more than twice the number of hydroxyl group, an 18% higher crystallinity, and twice the polysaccharide content of untreated corn stalk. Its laccase content was 4.65 ± 0.38 U/g. Corn stalk-based fiberboard production did not require adhesives, thus eliminating a potential source of toxic emissions such as formaldehyde gas.
► MOR and MOE of fiberboard were significantly increased by bio-pretreatment.
► Mechanical property increasing reasons were investigated by instrumental analysis.
► Bio-pretreatment could make the fiberboard product more environmentally friendly.
Journal: Bioresource Technology - Volume 102, Issue 24, December 2011, Pages 11258–11261