Measurement and correlation of biodiesel densities at pressures up to 130 MPa

Andre Schedemann; Thomas Wallek; Marc Zeymer; Markus Maly; Jurgen Gmehling

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Measurement and correlation of biodiesel densities at pressures up to 130 MPa

机译：在高达130 MPa的压力下测量和关联生物柴油密度

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Densities of pure methyl linoleate, usually a significant biodiesel component, as well as densities of a mixture of fatty acid methyl esters (purified biodiesel) were measured at pressures between 0.4 and 130 MPa and temperatures between 278 K and 397 K. Measured data were used for fitting parameters of two correlation models and compared to calculated densities using the VTPR (Volume Translated Peng-Robinson) group contribution equation of state. The comparison indicates that VTPR shows precisions which are mostly adequate for process simulation purposes as well as for estimation of deduced thermophysical properties that are based upon density.

机译：在0.4至130 MPa的压力和278 K至397 K的温度下，测量了通常是重要的生物柴油成分的纯亚油酸甲酯的密度以及脂肪酸甲酯混合物（纯化的生物柴油）的密度。对两个相关模型的参数进行拟合，并使用状态分组的VTPR（体积换算的Peng-Robinson）对计算的密度进行比较。比较表明，VTPR显示出的精度最适合用于过程仿真目的以及用于基于密度估算的热物理性质的估算。

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来源
《Fuel》 |2013年第5期|483-492|共10页
作者
Andre Schedemann; Thomas Wallek; Marc Zeymer; Markus Maly; Jurgen Gmehling;
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作者单位

Carl von Ossietzky University of Oldenburg, Oldenburg (Oldb.), Germany;

Craz University of Technology, Craz, Austria;

OMV Refining & Marketing GmbH, Schwechat, Austria;

OMV Refining & Marketing GmbH, Schwechat, Austria;

Carl von Ossietzky University of Oldenburg, Oldenburg (Oldb.), Germany;

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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
density; VTPR; biodiesel; methyl linoleate; TRIDEN;

机译：密度;VTPR;生物柴油亚油酸甲酯特里登;

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Measurement and correlation of biodiesel densities at pressures up to 130 MPa

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