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Phase Diagram of the Supercritical Carbon Dioxide–Ethylcarbitol System

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Abstract

The phase diagram of the supercritical CO2–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 CO2.

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Funding

This work was supported by Russian Science Foundation (project no. 19-73-10029) and state task no. 13.5112.2017/8/9 of the Ministry of Education and Science of the Russian Federation.

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Correspondence to T. R. Bilalov.

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Translated by L. Mosina

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Bilalov, T.R., Zavjalova, N.B. & Gumerov, F.M. Phase Diagram of the Supercritical Carbon Dioxide–Ethylcarbitol System. Russ. J. Phys. Chem. B 14, 1148–1152 (2020). https://doi.org/10.1134/S1990793120070039

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  • DOI: https://doi.org/10.1134/S1990793120070039

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