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亚/超临界乙醇液化秸秆纤维素解聚反应研究与机理初探

郑朝阳 解新安 陶红秀 郑璐丝 李雁

郑朝阳, 解新安, 陶红秀, 郑璐丝, 李雁. 亚/超临界乙醇液化秸秆纤维素解聚反应研究与机理初探[J]. 燃料化学学报(中英文), 2012, 40(05): 526-532.
引用本文: 郑朝阳, 解新安, 陶红秀, 郑璐丝, 李雁. 亚/超临界乙醇液化秸秆纤维素解聚反应研究与机理初探[J]. 燃料化学学报(中英文), 2012, 40(05): 526-532.
ZHENG Chao-yang, XIE Xin-an, TAO Hong-xiu, ZHENG Lu-si, LI Yan. Depolymerization of stalk cellulose during its liquefaction in sub- and supercritical ethanol[J]. Journal of Fuel Chemistry and Technology, 2012, 40(05): 526-532.
Citation: ZHENG Chao-yang, XIE Xin-an, TAO Hong-xiu, ZHENG Lu-si, LI Yan. Depolymerization of stalk cellulose during its liquefaction in sub- and supercritical ethanol[J]. Journal of Fuel Chemistry and Technology, 2012, 40(05): 526-532.

亚/超临界乙醇液化秸秆纤维素解聚反应研究与机理初探

基金项目: 国家自然科学基金(21176097);广东省科技计划国际合作项目(2009B050700037)。
详细信息
    通讯作者:

    解新安, 副教授, 博士, 主要从事生物质能利用与开发, 食品化工过程模拟, 能量系统优化等研究, Tel: 020-85280266, E-mail: xinanxie@scau.edu.cn。

  • 中图分类号: TK6

Depolymerization of stalk cellulose during its liquefaction in sub- and supercritical ethanol

Funds: 国家自然科学基金(21176097);广东省科技计划国际合作项目(2009B050700037)。
  • 摘要: 利用间歇式高压反应釜,在反应温度200~330 ℃、乙醇用量0~150 mL条件下,考察了亚/超临界乙醇直接液化秸秆纤维素的解聚行为,并初步探讨了其液化机理。结果表明,反应温度、乙醇用量和反应停留时间对秸秆纤维素的液化均有显著影响,反应温度由200 ℃升高至330 ℃,重油和气体收率分别增加了12.55%、28.83%;乙醇用量增加,反应压力随之升高,乙醇进入超临界状态,残渣和气体收率相比单纯热裂解分别降低11.10%和8.44%。通过GC/MS、FT-IR分析生物油组分和残渣特性,表明秸秆纤维素在亚/超临界乙醇中断键裂解,且酮类和乙酯类化合物是生物油的主要成分。
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出版历程
  • 收稿日期:  2011-07-27
  • 修回日期:  2011-10-20
  • 刊出日期:  2012-05-31

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