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精馏系统内真空度对生物油模型化合物蒸馏特性的影响

马亚凯 袁鑫华 罗泽军 朱锡锋

马亚凯, 袁鑫华, 罗泽军, 朱锡锋. 精馏系统内真空度对生物油模型化合物蒸馏特性的影响[J]. 燃料化学学报. doi: 10.1016/S1872-5813(21)60140-8
引用本文: 马亚凯, 袁鑫华, 罗泽军, 朱锡锋. 精馏系统内真空度对生物油模型化合物蒸馏特性的影响[J]. 燃料化学学报. doi: 10.1016/S1872-5813(21)60140-8
MA Ya-kai, YUAN Xin-hua, LUO Ze-jun, ZHU Xi-feng. Influence of vacuum degrees in rectification system on distillation characteristics of bio-oil model compounds[J]. Journal of Fuel Chemistry and Technology. doi: 10.1016/S1872-5813(21)60140-8
Citation: MA Ya-kai, YUAN Xin-hua, LUO Ze-jun, ZHU Xi-feng. Influence of vacuum degrees in rectification system on distillation characteristics of bio-oil model compounds[J]. Journal of Fuel Chemistry and Technology. doi: 10.1016/S1872-5813(21)60140-8

精馏系统内真空度对生物油模型化合物蒸馏特性的影响

doi: 10.1016/S1872-5813(21)60140-8
基金项目: 国家重点研发计划(2018YFB1501404)资助
详细信息
    作者简介:

    马亚凯:mayakai@mail.ustc.edu.cn

    通讯作者:

    E-mail: xfzhu@ustc.edu.cn

  • 中图分类号: TK6

Influence of vacuum degrees in rectification system on distillation characteristics of bio-oil model compounds

Funds: The project was supported by the National Key Research and Development Program of China (2018YFB1501404)
  • 摘要: 利用小试精馏装置对生物油模型化合物进行蒸馏实验,通过调节系统的真空度将生物油模型化合物分别在常压和减压状态下进行蒸馏,分析并总结了馏分中各组分的变化规律。结果表明:随着系统内真空度的不断升高,生物油模型化合物的总馏出率不断增加且结焦率不断降低,水分更容易被蒸出,馏分中有机物的初馏温度减小而馏出率增加。因此增大真空度可有效分离生物油模型化合物的组分并降低蒸馏的能量损耗;当真空度为−0.08 MPa时,生物油模型化合物的蒸馏效果最好,其中乙酸和糠醛的馏出率分别可达99.50%和65.88%、苯酚和愈创木酚的馏出率均超过25%。
  • 图  1  精馏塔小试装置示意图

    Figure  1  Schematic diagram of small-scale rectification column

    图  2  不同真空度下蒸馏馏分的总馏出率

    Figure  2  The yield of total distilled fractions at different vacuum degrees

    图  3  不同真空度下馏分中水分馏出率

    Figure  3  Moisture of distilled fractions at different vacuum degrees

    图  4  不同真空度下馏分中乙醇的馏出率

    Figure  4  Alcohol yield of distilled fractions at different vacuum degrees

    图  5  不同真空度下馏分中乙酸的馏出率

    Figure  5  Acetic acid yield of distilled fractions at different vacuum degrees

    图  6  不同真空度下馏分中糠醛的馏出率

    Figure  6  Furfural yield of distilled fractions at different vacuum degrees

    图  7  不同真空度下馏分中苯酚的馏出率

    Figure  7  Phenol yield of distilled fractions at different vacuum degrees

    图  8  不同真空度下馏分中愈创木酚的馏出率

    Figure  8  Guaiacol yield of distilled fractions at different vacuum degrees

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出版历程
  • 收稿日期:  2021-06-21
  • 修回日期:  2021-07-14
  • 网络出版日期:  2021-08-10

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