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中文摘要：
在生物法利用木质纤维素原料生产乙醇的过程中,预处理方法是影响酶解糖化和发酵的关键因素.以水稻秸秆为原料,研究了加入不同浓度硫酸和乙醇预处理对酶解的影响.2%硫酸预处理后,固体部分酶解液中葡萄糖质量浓度和转化率分别可达53.9g/L和71.5%,明显高于其他预处理条件的酶解结果;并且酶解液葡萄糖转化率与酶解初始条件下木聚糖、木质素和其他成分的总负荷呈近似线性关系.通过气质联用技术和主成分分析的多元统计方法对预处理液体中的物质进行定性和定量分析,得到不同预处理条件下的6种标志物.
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