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秸秆类生物质发酵法生物产氢的研究
  • 期刊名称：科学通报，2009，54（5）：648-654.(中文核心)
  • 时间：0
  • 分类：TQ921.7[轻工技术与工程—发酵工程;化学工程] TK91[动力工程及工程热物理]
  • 作者机构：[1]郑州大学化学系,郑州450052
  • 相关基金：国家重点基础研究发展计划（编号：2006CB708407和2009CB220005）、国家自然科学基金（批准号：90610001和20871106）、高校博士点专项科研基金（编号：20070459007）、教育部郑州大学“211”工程资助项目
  • 相关项目：秸秆生物质发酵产氢系统底物盐酸－混合酶两步水解催化动力学及机理
关键词： 小熊猫粪, 玉米秸秆, 生物预处理, 氢气, 厌氧发酵
中文摘要：

以玉米秸秆发酵生物产氢为目标,在考察小熊猫粪产氢特性基础上,在批式实验条件下系统考察了预处理方法对底物糖化效率和发酵产氢的影响,并在5LCSABR反应器中完成了秸秆发酵产氢的验证实验.研究表明：以7.5g/kg微贮剂糖化水解秸秆最有效,秸秆经预处理后可溶性糖和乳酸含量分别达到最大值212mg/g-TS和21mg/g-TS;在最佳发酵产氢条件下,玉米秸秆的累积氢产量、产氢速率和氢浓度分别为176mL/g-TS,14.5mL/g-TS·h^-1和57.2%.反应器中主要的液相发酵副产物为丁酸、乙酸和乙醇（丁醇）,没有检测到甲烷气体存在.在最佳的产氢周期,ORP值维持在-445～-455mV的较低水平.实验结果表明：底物的生物预处理在秸秆的发酵产氢过程中扮演了至关重要的角色.

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期刊论文 16
秸秆生物质发酵产氢系统底物盐酸－混合酶两步水解催化动力学及机理
期刊论文 32 会议论文 8 获奖 2
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