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豆类秸秆两级热解特性研究

张立强 李凯 朱锡锋

张立强, 李凯, 朱锡锋. 豆类秸秆两级热解特性研究[J]. 燃料化学学报(中英文), 2016, 44(5): 534-539.
引用本文: 张立强, 李凯, 朱锡锋. 豆类秸秆两级热解特性研究[J]. 燃料化学学报(中英文), 2016, 44(5): 534-539.
ZHANG Li-qiang, LI Kai, ZHU Xi-feng. Two-step pyrolysis characteristics of bean stalks[J]. Journal of Fuel Chemistry and Technology, 2016, 44(5): 534-539.
Citation: ZHANG Li-qiang, LI Kai, ZHU Xi-feng. Two-step pyrolysis characteristics of bean stalks[J]. Journal of Fuel Chemistry and Technology, 2016, 44(5): 534-539.

豆类秸秆两级热解特性研究

基金项目: 

国家重点基础研究发展规划 973 program

国家重点基础研究发展规划 2013CB228103

中国科学院重点部署项目 KGZD-EW-304-3

详细信息
    通讯作者:

    朱锡锋, Tel: 0551-63600040, E-mail: xfzhu@ustc.edu.cn

  • 中图分类号: TK6

Two-step pyrolysis characteristics of bean stalks

Funds: 

the Major State Basic Research Development Program of China 973 program

the Major State Basic Research Development Program of China 2013CB228103

the Key Research Program of the Chinese Academy of Sciences KGZD-EW-304-3

  • 摘要: 利用热裂解仪-气相色谱/质谱联用仪(Py-GC/MS) 对黄豆秆进行了两级热解。结果表明, 随着第一级热解温度(t1) 的升高, 第一级热解产物总峰面积逐渐增大, 第二级热解产物总峰面积逐渐减小; 在第一级热解产物中, 酸类、酮类和呋喃类等源于纤维素和半纤维素的产物含量在t1为400和450 ℃时较高; 在t1为450和500 ℃的条件下, 第二级热解产物中烃类产物的含量高达20%以上。两级热解可以在第一级和第二级热解中分别获取不同的高含量产物, 如乙酸、糠醛、愈创木酚、甲苯和苯等, 实现生物质的选择性热解。
  • 图  1  黄豆秆两级热解和对照组产物总峰面积的变化

    Figure  1  Total peak area change of the soybean stalk two-step pyrolysis and the control group

    图  2  乙酸相对峰面积的分布

    Figure  2  Relative peak area distribution of acetic acid

    图  3  糠醛相对峰面积的分布

    Figure  3  Relative peak area distribution of furfural

    图  4  愈创木酚相对峰面积的分布

    Figure  4  Relative peak area distribution of guaiacol

    图  5  甲苯相对峰面积的分布

    Figure  5  Relative peak area distribution of methylbenzene

    图  6  苯相对峰面积的分布

    Figure  6  Relative peak area distribution of benzene

    表  1  黄豆秆的元素分析、工业分析和组分分析(收到基)

    Table  1  Ultimate, proximate and component analysis of soybean stalk (as received)

    Ultimate analysis Proximate analysis Component analysis
    composition war /% composition war /% composition war /%
    C 42.63 M 78.26 cellulose 41.44
    H 6.28 V 2.90 hemicellulose 20.96
    Oa 45.14 FC 14.66 lignin 16.10
    N 1.44 A 4.18 extractives 9.95
    S 0.33
    a: by difference
    下载: 导出CSV

    表  2  黄豆秆两级热解和对照组各类产物相对峰面积的分布

    Table  2  Relative peak area distribution of products from soybean stalk two-step pyrolysis and the control group

    t1/℃ First-step pyrolysis
    acids alcohols ketones furans phenols nitrides hydrocarbons
    250 - - - - - - -
    300 - - - - - - -
    350 8.38 - - - - - -
    400 21.14 3.47 8.77 4.80 12.29 4.85 -
    450 13.37 5.28 10.81 4.20 20.77 3.60 -
    500 9.70 4.48 8.35 4.27 23.21 2.95 0.97
    550 8.93 4.69 8.80 4.05 23.42 2.85 1.04
    t1/℃ Second-step pyrolysis
    acids alcohols ketones furans phenols nitrides hydrocarbons
    250 9.52 3.41 7.23 3.49 19.17 2.47 1.40
    300 9.43 4.25 7.23 3.44 21.25 2.66 1.54
    350 8.29 5.04 7.85 3.65 23.76 2.77 1.78
    400 1.05 3.34 6.44 2.93 21.84 0.81 9.48
    450 - - 1.41 0.53 2.56 - 20.10
    500 - - - - - - 22.78
    550 - - - - - - 13.55
    Pyrolysis temperature t/℃ Control group
    acids alcohols ketones furans phenols nitrides hydrocarbons
    650 9.33 4.16 8.71 3.58 21.78 2.85 2.72
    -:few or undetected
    下载: 导出CSV
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出版历程
  • 收稿日期:  2015-12-21
  • 修回日期:  2016-02-22
  • 网络出版日期:  2021-01-23
  • 刊出日期:  2016-05-10

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