Phase Diagram of the Supercritical Carbon Dioxide–Ethylcarbitol System

Phase Diagram of the Supercritical Carbon Dioxide–Ethylcarbitol System

The phase diagram of the supercritical CO 2 –diethylene glycol monoethyl ether (ethylcarbitol) system is studied on isotherms at 308, 318, and 323 K. The available published data are supplemented by the results of this study. The obtained data are described using the Peng–Robinson equation of state...

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Veröffentlicht in:Russian journal of physical chemistry. B 2020-12, Vol.14 (7), p.1148-1152
Hauptverfasser: Bilalov, T. R., Zavjalova, N. B., Gumerov, F. M.
Format: Artikel
Sprache:eng
Schlagworte:
Carbon dioxide
Chemistry
Chemistry and Materials Science
Equations of state
Phase diagrams
Physical Chemistry
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Zusammenfassung:The phase diagram of the supercritical CO 2 –diethylene glycol monoethyl ether (ethylcarbitol) system is studied on isotherms at 308, 318, and 323 K. The available published data are supplemented by the results of this study. The obtained data are described using the Peng–Robinson equation of state and the Mukhopadhyaya and Rao mixing law. A range of thermodynamic parameters is proposed to effectively remove ethylcarbitol from polymers during their plasticization and to preserve the components of the finished product soluble in supercritical CO 2 .
ISSN:1990-7931
1990-7923
DOI:10.1134/S1990793120070039