New vapour-liquid equilibrium data on the ternary system carbon dioxide - methanol - dimethyl sulphoxide

被引：2
|
作者：
Korosi, Marton [1 ]
Beri, Janos [1 ]
Sedon, Attila [1 ]
Komka, Kinga [1 ]
Szekely, Edit [1 ]
机构：
[1] Budapest Univ Technol & Econ, Dept Chem & Environm Proc Engn, 3 Muegyetem Rakpart, H-1111 Budapest, Hungary
来源：
FLUID PHASE EQUILIBRIA | 2019年 / 497卷
关键词：
View cell; Phase equilibrium; Carbon dioxide; Methanol; Dimethyl sulphoxide; SUPERCRITICAL ANTISOLVENT PRECIPITATION; PHASE-EQUILIBRIUM; PLUS METHANOL; MIXTURES; BINARY; WATER; CRYSTALLIZATION; SOLUBILITIES; RESOLUTION; SOLVENTS;
D O I：
10.1016/j.fluid.2019.05.024
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Knowing high-pressure phase equilibrium is essential for the numerous applications of organic solvent-entrained supercritical carbon dioxide, as well for extraction as for antisolvent procedures. Phase equilibrium measurements on the carbon dioxide - methanol - dimethyl sulphoxide mixture are presented in the range of 308 K-323 K and 7.5 to approx. 11.5 MPa. Composition (mole fraction) was varied for each component in the ranges x(CO2) : 0.75 - 0.88; x(MeOH) : 0.042 - 0.21; and x(DMSO) : 0.025 - 0.12. Measurements were done using a static synthetic method based on the observations of cloud points and redissolution points. Measurement results were well approximated by the Peng-Robinson equation of state. (C) 2019 Elsevier B.V. All rights reserved.
引用
收藏
页码：133 / 139
页数：7
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