Densities and surface tensions of binary mixtures of biodiesel, diesel, and n-butanol

Densities and surface tensions of binary mixtures of biodiesel, diesel, and n-butanol
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生物柴油、柴油和正丁醇二元混合物的密度和表面张力

DOI:
10.1007/s11814-015-0290-9
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发表时间:
2016-03
影响因子:
2.7
通讯作者:
Liu Zhigang
Liu Zhigang
中科院分区:
工程技术4区
文献类型:
--
作者:
Yue Hongya;Liu Zhigang

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在283.15 K和293.15 K及大气压下,测量了生物柴油+正丁醇、生物柴油+柴油和柴油+正丁醇混合物在整个浓度范围内的密度和表面张力,其综合扩展不确定度分别为1.32 kg·m−3和1%。密度由单沉降密度计测定;表面张力使用表面激光光散射法测量。实验数据表明,密度和表面张力随着温度的升高而降低。过剩表面张力和过剩密度均为负值,并进一步拟合Redlich-Kister方程。
Density and surface tension have been measured for mixtures of biodiesel+n-butanol, biodiesel+diesel, and diesel+n-butanol over the entire concentration range at 283.15 K and 293.15 K and atmospheric pressure, with the combined expanded uncertainties of 1.32 kg·m−3 and 1%, receptively. Densities were determined by a single-sinker densimeter; surface tensions were measured using the surface laser light scattering method. The experimental data showed that densities and surface tensions decreased as temperature increased. The excess surface tensions and excess densities were all negative, and further fitted to the Redlich-Kister equation.
DOI: 10.1016/j.fuel.2005.08.042
发表时间: 2006-03
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影响因子: 7.4
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