晶体三元烷在超临界二氧化碳和二氧化碳+共溶剂中的溶解度

IF 0.5 4区工程技术 Q4 ENGINEERING, AEROSPACE

Thermophysics and Aeromechanics Pub Date : 2024-02-13 DOI:10.1134/S0869864323050141

I. Sh. Khabriev, L. Yu. Sabirova, I. Z. Salikhov, L. Yu. Yarullin, V. F. Khairutdinov, T. R. Bilalov, I. M. Abdulagatov

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引用次数: 0

摘要

本文介绍了采用动态法对晶体三元烷在纯超临界二氧化碳和改性超临界二氧化碳中的溶解度（VLE 特性）进行实验研究的结果，实验温度范围为 (308.15 至 315.15) K，实验压力范围为 (8.00 至 20.32) MPa。通过添加多种有机溶剂，如二甲基亚砜、乙醇、丙酮和氯仿，对二氧化碳流体进行了改性。研究发现，使用浓度为 5 wt. % 的辅助溶剂可将三聚氰胺的溶解度提高 2 倍。测量结果用彭加-罗宾逊状态方程来描述。

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Solubility of crystalline tricosane in supercritical CO2 and CO2 + cosolvents

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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来源期刊

Thermophysics and Aeromechanics THERMODYNAMICS-MECHANICS

CiteScore

0.90

自引率

40.00%

发文量

审稿时长

>12 weeks

期刊介绍： The journal Thermophysics and Aeromechanics publishes original reports, reviews, and discussions on the following topics: hydrogasdynamics, heat and mass transfer, turbulence, means and methods of aero- and thermophysical experiment, physics of low-temperature plasma, and physical and technical problems of energetics. These topics are the prior fields of investigation at the Institute of Thermophysics and the Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences (SB RAS), which are the founders of the journal along with SB RAS. This publication promotes an exchange of information between the researchers of Russia and the international scientific community.