科研之友
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摘要
Ethanol is usually considered as an additive to blend with biodiesels to improve its cold flow characteristics. The thermophysical properties of ethanol with biodiesels are therefore of interest in its applications. In the present work, the densities of ethanol with six components of biodiesel (including methyl caprate, methyl laurate, methyl myristate, ethyl caprylate, ethyl caprate and ethyl laurate) mixtures were measured from 283.15 to 318.15 K and at atmospheric pressure in the overall composition range. Redlich-Kister equation was used to correlate the excess molar volumes of the mixtures, which were calculated from the experimental densities. In addition, Apelblat's equation was extended to correlate and predict the densities of the studied mixtures as a function of concentration and temperature.
- 出版日期2018
- 单位西安交通大学
