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New process for catalyst-free biodiesel production using subcritical acetic acid and supercritical methanol

机译：使用亚临界乙酸和超临界甲醇生产无催化剂生物柴油的新工艺

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摘要

The production of glycerol as a by-product is unavoidable in the current conventional biodiesel manufacturing processes. Since biodiesel production is expected to increase in the near future, effective utilization of glycerol will become an issue of interest. In this study, therefore, a process consisting of subcritical acetic acid treatment to convert rapeseed oil to fatty acids and triacetin followed by conversion of the obtained fatty acids to their fatty acid methyl esters in supercritical methanol treatment was investigated. The obtained results clearly revealed that this two-step reaction could proceed effectively at a high reaction rate, and that fatty acid methyl esters and triacetin could be obtained under milder reaction condition than the one-step process utilizing supercritical methyl acetate and supercritical methanol.
机译：在当前的常规生物柴油制造过程中，不可避免地产生副产物甘油。由于预计在不久的将来生物柴油的产量会增加，因此有效利用甘油将成为人们关注的问题。因此，在本研究中，研究了由亚临界乙酸处理将菜籽油转化为脂肪酸和三醋精，然后在超临界甲醇处理中将获得的脂肪酸转化为其脂肪酸甲酯的方法。所得结果清楚地表明，该两步反应可以在高反应速率下有效地进行，并且与使用超临界乙酸甲酯和超临界甲醇的一步法相比，在更温和的反应条件下可以获得脂肪酸甲酯和三醋精。

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  • 来源
    《Fuel》 |2010年第7期|p.1442-1446|共5页
  • 作者

    Shiro Saka; Yohei Isayama; Zul Ilham; Xin Jiayu;

  • 作者单位

    Department of Socio-Environmental Energy Science, Graduate School of Energy Science, Kyoto-University, Yoshida-Honmachi, Sakyo-Ku, Kyoto 606-8501, Japan;

    rnDepartment of Socio-Environmental Energy Science, Graduate School of Energy Science, Kyoto-University, Yoshida-Honmachi, Sakyo-Ku, Kyoto 606-8501, Japan;

    rnDepartment of Socio-Environmental Energy Science, Graduate School of Energy Science, Kyoto-University, Yoshida-Honmachi, Sakyo-Ku, Kyoto 606-8501, Japan;

    rnDepartment of Socio-Environmental Energy Science, Graduate School of Energy Science, Kyoto-University, Yoshida-Honmachi, Sakyo-Ku, Kyoto 606-8501, Japan;

  • 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

    biodiesel; supercritical process; acetic acid; triacetin; catalyst-free process;

    机译：生物柴油超临界过程醋酸;三醋精;无催化剂工艺;

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