Production of fiberboard using corn stalk pretreated with white-rot fungus Trametes hirsute by hot pressing without adhesive.
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.
Key Laboratory of Molecular Biophysics of MOE, Huazhong University of Science and Technology, Wuhan 430074, China.
Jianguo
J
Wu
Xin
X
Zhang
Jilin
J
Wan
Fuying
F
Ma
Yong
Y
Tang
Xiaoyu
X
Zhang
D000269:Adhesives; D001709:Biotechnology / Q000379:methods*; D018360:Crystallography, X-Ray; D055119:Elastic Modulus; D042845:Laccase / Q000378:metabolism; D010209:Paper; D011134:Polysaccharides / Q000032:analysis; D017550:Spectroscopy, Fourier Transform Infrared; D013696:Temperature; D055454:Trametes / Q000378:metabolism*; D014866:Waste Products / Q000032:analysis*; D003313:Zea mays / Q000737:chemistry* / Q000201:enzymology
D000269:Adhesives; D011134:Polysaccharides; D014866:Waste Products; D042845:Laccase