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Kinetics of soybean oil hydrolysis in subcritical water

机译：亚临界水中大豆油水解的动力学

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摘要

A kinetic model was developed for the hydrolysis of soybean oil in subcritical water in the temperature range of 250-300℃. The empirical model includes reversible hydrolysis reactions for the production of fatty acids from soybean oil and additional reactions for autocatalysis by fatty acid reaction products. The experimental yield of fatty acids over the time course of the batch reactions was compared to the model prediction and the sum of squared errors was minimized to estimate the kinetic parameters. The kinetic model prediction of fatty acid yield displays good agreement with experimental data. The autocatalytic phenomenon was assessed experimentally by addition of fatty acids to initial reaction mixtures to test the robustness of the kinetic model. The model predicts the increase in the fatty acid yields experimentally observed with acid addition.
机译：建立了在250-300℃温度范围内大豆油在亚临界水中水解的动力学模型。该经验模型包括用于从大豆油生产脂肪酸的可逆水解反应，以及用于通过脂肪酸反应产物进行自催化的其他反应。将间歇反应时间过程中脂肪酸的实验产率与模型预测值进行比较，并将平方误差的总和最小化以估算动力学参数。脂肪酸收率的动力学模型预测与实验数据吻合良好。通过在初始反应混合物中添加脂肪酸以实验动力学模型的鲁棒性，通过实验评估了自动催化现象。该模型预测了通过添加酸实验观察到的脂肪酸产量的增加。

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  • 来源
    《Fuel》 |2013年第6期|277-281|共5页
  • 作者

    Amber L. Milliren; Joshua C. Wissinger; Vasudev Gottumukala; Constance A. Schall;

  • 作者单位

    University of Toledo, Department of Chemical & Environmental Engineering, Toledo, OH, United States;

    University of Toledo, Department of Chemical & Environmental Engineering, Toledo, OH, United States;

    University of Toledo, Department of Chemical & Environmental Engineering, Toledo, OH, United States;

    University of Toledo, Department of Chemical & Environmental Engineering, Toledo, OH, United States, University of Toledo, School of Green Chemistry and Engineering, Toledo, OH, United States;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    soybean oil hydrolysis; autocatalytic hydrolysis; subcritical water; biofuel;

    机译：大豆油水解;自催化水解亚临界水生物燃料;

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