Effects of a Steam Explosion Pretreatment on Sugar Production by Enzymatic Hydrolysis and Structural Properties of Reed Straw

文献类型: 外文期刊

第一作者: Hu, Qiulong

作者: Hu, Qiulong;Su, Xiaojun;Liu, Xianghua;Su, Dingding;Tian, Kaizhong;Xiong, Xingyao;Xiong, Xingyao;Tan, Lin;Liu, Xianghua;Wu, Anjun

作者机构:

关键词: reed straw;steam explosion pretreatment;sugar production;enzymatic hydrolysis;structural properties

期刊名称:BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY ( 影响因子:2.043; 五年影响因子:2.017 )

ISSN:

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收录情况: SCI

摘要: Reed lignocellulose was subjected to a steam explosion pretreatment to obtain a high conversion rate of sugar after subsequent enzymatic hydrolysis using a commercial cellulase mixture. Under conditions of differing temperature (200 °C, 220 °C and 240 °C) and residence time (2, 5, and 8min), the effect of the pretreatment on the sugar yield from enzymatic hydrolysis was studied. The highest respective reducing sugar and glucose yields were 36.14% and 15.35% after 60-h enzymatic hydrolysis of reed straw that had been pretreated with a steam explosion at 220 °C for 5min. Fourier transform infrared spectrophotometry (FTIR), X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used in this study to comprehensively investigate the steam explosion-induced changes in the organizational structure and morphological properties of reed straw to analyze the reason for the increased sugar yield from enzymatic hydrolysis after the steam explosion.

分类号: Q`Q81`Q5`S1`TS2

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