Effect of mild alkali pretreatment on structural changes of reed (Phragmites communis Trinius) straw.
作者： Dhirendra Nath Barman , Md. Azizul Haque , Tae Ho Kang , Gi Hwan Kim , Tae Yang Kim
DOI: 10.1080/09593330.2013.824009
关键词:
摘要: The effect of dilute sodium hydroxide (NaOH) on reed straw structural change at 105°C temperature was evaluated in this study. Various concentrations NaOH (1% to 2.5%) were used for pretreatment 10 min. Scanning electron microscopy, atomic force microscopy and Fourier transform infrared spectroscopy studies showed that 2% 2.5% pretreated sample exposed more cellulose fibers compared with other treatments. crystalline index increased by the 1% 2.0% treatments slightly lowered treatment due destructing fibres. Two per cent caused 69.9% lignin removal, whereas removed 72.4% lignin. Besides, straw, when NaOH, resulted 56.4% 60.5% hemicellulose respectively. However, difference removal between treated very marginal. In addition, negligible increase cellulo...
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