Solubility of crystalline tricosane in supercritical CO2 and CO2 + cosolvents

被引：0
|
作者：
I. Sh. Khabriev
L. Yu. Sabirova
I. Z. Salikhov
L. Yu. Yarullin
V. F. Khairutdinov
T. R. Bilalov
I. M. Abdulagatov
机构：
[1] Kazan National Research Technological University,
[2] Tupolev National Research Technical University,undefined
[3] Institute for Geothermic and Renewable Energy of the Joint Institute for High Temperatures of RAS,undefined
来源：
Thermophysics and Aeromechanics | 2023年 / 30卷
关键词：
supercritical carbon dioxide; tricosane; solubility; phase equilibrium; cosolvent; equation of state;
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学科分类号：
摘要：
The paper presents the results of experimental study of the solubility (VLE-properties) of crystalline tricosane in pure and modified supercritical carbon dioxide over the temperature range from (308.15 to 315.15) K and at the pressures from (8.00 to 20.32) MPa using the dynamic method. Modification of carbon dioxide fluid was performed by adding several organic solvents, such as dimethylsulfoxide, ethanol, acetone, and chloroform. It was found that using the fluid co-solvents at the concentration of 5 wt. % improves the tricosane solubility by a factor of two. The measurement results have been described by the Penga–Robinson equation of state.
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页码：955 / 960
页数：5
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