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Kinetics of Biochar Liquefaction

机译：生物炭液化动力学

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摘要

The renewable resource pyrolysis char hereinafter often referred to as biochar, produced by pyrolysis or hydrothermal carbonization, has promising properties for advanced upgrade. Technologies for the conversion of biochar to biofuels may therefore contribute to suffice the growing demand for fuel. Direct liquefaction of biochar is a conceivable way of producing biofuels. Direct liquefaction of biochar was carried out in a 450 ml batch reactor at a temperature of 425聽掳C with the hydrogen donor solvent tetralin. Biochar conversion of 84聽% and an oil yield of 72聽% were observed after 33聽min of reaction time. Compared to fossil coal liquefaction, the hydrogenation of biochar leads to a diverse product distribution with more oil products and less intermediates. In process modeling, intermediates as well as products and residues of similar product properties according to their solubility in different organic solvents were identified. These product classes formed the basis for investigation of kinetics of biochar liquefaction. The reaction route network resulting from the reaction scheme was solved with a FORTRAN algorithm.
机译：通过热解或水热碳化生产的可再生资源热解炭在下文中通常称为生物炭，具有用于高级升级的有希望的性能。因此，用于将生物炭转化为生物燃料的技术可能有助于满足不断增长的燃料需求。生物炭的直接液化是生产生物燃料的一种可能的方式。生物炭的直接液化是在450 ml间歇式反应器中，在425°C的温度下，用氢供体溶剂四氢化萘进行的。反应33分钟后，观察到生物炭转化率为84％，油产率为72％。与化石煤液化相比，生物炭的氢化导致产品分布多样化，其中石油产品更多，中间体更少。在过程建模中，根据中间体在不同有机溶剂中的溶解度，确定了中间体以及类似产物的产物和残基。这些产品类别构成了研究生物炭液化动力学的基础。反应方案产生的反应路线网络用FORTRAN算法求解。

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  • 来源
    《Bioenergy research》 |2014年第4期|1343-1350|共8页
  • 作者

    Roland Feiner; Nikolaus Schwaiger; Hannes Pucher; Lisa Ellmaier; Anton Reiter; Michael Derntl; Thomas Glatz; Peter Pucher; Matth盲us Siebenhofer;

  • 作者单位

    1.Institute of Chemical Engineering and Environmental Technology Graz University of Technology Inffeldgasse 25/C/II 8010 Graz Austria 2.BDI-BioEnergy International AG Parkring 18 8074 Grambach Graz Austria;

    1.Institute of Chemical Engineering and Environmental Technology Graz University of Technology Inffeldgasse 25/C/II 8010 Graz Austria 2.BDI-BioEnergy International AG Parkring 18 8074 Grambach Graz Austria;

    1.Institute of Chemical Engineering and Environmental Technology Graz University of Technology Inffeldgasse 25/C/II 8010 Graz Austria;

    2.BDI-BioEnergy International AG Parkring 18 8074 Grambach Graz Austria;

    1.Institute of Chemical Engineering and Environmental Technology Graz University of Technology Inffeldgasse 25/C/II 8010 Graz Austria;

    1.Institute of Chemical Engineering and Environmental Technology Graz University of Technology Inffeldgasse 25/C/II 8010 Graz Austria;

    1.Institute of Chemical Engineering and Environmental Technology Graz University of Technology Inffeldgasse 25/C/II 8010 Graz Austria;

    2.BDI-BioEnergy International AG Parkring 18 8074 Grambach Graz Austria;

    1.Institute of Chemical Engineering and Environmental Technology Graz University of Technology Inffeldgasse 25/C/II 8010 Graz Austria;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Pyrolysis char Biochar Kinetics Biofuel Noncatalytic;

    机译：热解炭生物炭动力学生物燃料非催化;

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