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Phase diagrams of mixtures of ethyl palmitate with fatty acid ethyl esters

机译：棕榈酸乙酯与脂肪酸乙酯混合物的相图

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摘要

The cloud point is an important property of biodiesel, controlling its low temperature behaviour, espe cially the fluidity of the fuel. Although biodiesel is an interesting renewable energy source, data for the melting/cloud point of biodiesel or simple binary or ternary mixtures of fatty acid ethyl esters (FAEE) are still scarce in the literature, particularly for those involving ethyl esters. The phase diagrams of six binary mixtures of ethyl palmitate with saturated and unsaturated fatty acid ethyl esters were deter mined by Differential Scanning Calorimetry (DSC). The determined systems were successfully described employing the UNIQUAC model. The experimental data indicates that the cloud point is controlled by the fatty acid ethyl ester in the mixture with higher melting temperature.
机译：浊点是生物柴油的重要特性，它控制着其低温行为，尤其是燃料的流动性。尽管生物柴油是令人关注的可再生能源，但文献中仍然缺少生物柴油的熔点/浊点或脂肪酸乙酯（FAEE）的简单二元或三元混合物的数据，特别是涉及乙酯的数据。通过差示扫描量热法（DSC）确定了棕榈酸乙酯与饱和和不饱和脂肪酸乙酯的六种二元混合物的相图。使用UNIQUAC模型成功描述了确定的系统。实验数据表明，浊点受混合物中较高熔融温度的脂肪酸乙酯的控制。

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  • 来源
    《Fuel》 |2012年第1期|p.177-181|共5页
  • 作者

    M.C. Costa; LAD. Boros; M.L.S. Batista; J.A.P. Coutinho; MA Krahenbuhl; Antonio J.A. Meirelles;

  • 作者单位

    EXTRAE, Department of Food Engineering (DEA) - School of Food Engineering (FEA), University of Campinas (UNICAMP), 13083-862 Campinas, Sso Paulo, Brazil;

    LPT, Department of Chemical Processes (DPQJ - School of Chemical Engineering (FEQ), University of Campinas (UNICAMP), 13083-970 Campinas, Sao Paulo, Brazil;

    CICECO, Departamento de Quimica da, Universidade de Aveiro, 3810-193 Aveiro, Portugal;

    CICECO, Departamento de Quimica da, Universidade de Aveiro, 3810-193 Aveiro, Portugal;

    LPT, Department of Chemical Processes (DPQJ - School of Chemical Engineering (FEQ), University of Campinas (UNICAMP), 13083-970 Campinas, Sao Paulo, Brazil;

    EXTRAE, Department of Food Engineering (DEA) - School of Food Engineering (FEA), University of Campinas (UNICAMP), 13083-862 Campinas, Sso Paulo, Brazil;

  • 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

    cloud point; fatty acid ethyl ester (faee); ethyl palmitate; solid-liquid equilibrium; predictive uniquac;

    机译：浊点;脂肪酸乙酯（faee）;棕榈酸乙酯;固液平衡;可预测的单季铵盐;

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