李领川,潘春梅,樊耀亭

• 1:中州大学实验管理中心
• 2:河南牧业经济学院生物工程系
• 3:郑州大学化学与分子工程学院

摘要(Abstract)：

研究了不同预处理方法对玉米秸秆发酵产氢气的影响和秸秆降解产氢的机理。实验分别采用酸解(AP)、酸解耦合固态酶解(AEP)、高温蒸煮(HP)和高温蒸煮耦合固态酶解(HEP)的玉米秸秆进行发酵产氢,分析预处理后秸秆累积产氢量与可溶性糖含量的关系。在此基础上,通过秸秆化学组成成分分析、傅里叶变换红外光谱(FT-IR)和X-射线衍射分析,探讨了秸秆降解的机理。结果表明,秸秆的累积产氢量与可溶性糖含量基本正相关,秸秆糖化效率是影响秸秆累积产氢量的主要因素。四种预处理方法主要作用于秸秆半纤维素和纤维素的无定型区,预处理过程皆在不同程度上提高了秸秆的结晶度,并在极大程度上提高了玉米秸秆的累积产氢量。其中AEP方法预处理秸秆效果最好,累积产氢量达到了226.1 m L·(g·TS)-1。

关键词(KeyWords)： 玉米秸秆;预处理;发酵产氢;机理

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金河南省人才培养联合基金(U1204522);; 河南省高校科技创新人才支持计划项目(13HASTIT033)

作者(Author): 李领川,潘春梅,樊耀亭

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