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农业废弃物水热糖化的实验研究

Keywords: 农业废弃物,稻壳,麦麸,水热反应,还原糖

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Abstract:

在亚临界水的状态下对稻壳和麦麸进行水热糖化实验,考察了反应温度、反应时间、加入水的体积以及氧化剂、醋酸、乙醇、碳酸钠等对还原糖产率的影响。结果表明,稻壳和麦麸的还原糖产率随着温度、时间、水的体积的变化都存在一个先增加后减少的趋势;还原糖产率随H2O2和Na2CO3浓度的升高而下降;乙醇的增加有利于还原糖产率的提高,在乙醇的浓度为70%时还原糖产率达到最高,稻壳为47.5%,麦麸为63%;而醋酸对还原糖产率的影响比较小。

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