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核农学报  2015 

辐照预处理水稻秸秆酶解糖化与发酵产乙醇工艺

DOI: 10.11869/j.issn.100-8551.2015.04.0704, PP. 704-709

Keywords: 辐照,水稻秸秆,乙醇

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Abstract:

为探讨辐照预处理后木质纤维素在未脱毒的前提下发酵产乙醇的可行性,本研究以水洗脱毒的水稻秸秆为对照,对未采取脱毒处理的水稻秸秆进行酶解糖化与发酵产乙醇研究.结果表明:在15%底物浓度下,水洗脱毒对辐照水稻秸秆在酶解转化率和乙醇转化率没有明显提高,酶解72h后辐照秸秆和对照的纤维素转化率分别为64.11%和63.50%,同步糖化发酵72h后乙醇转化率分别为65.70%和67.45%;经物料衡算,100g水稻秸秆原料经射线辐照预处理或辐照水洗脱毒预处理后,再进行糖化发酵,可分别获得11.04g和9.62g乙醇.本研究为辐照在燃料乙醇领域的应用提供了参考.

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