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Modeling the Solubility of Carbon Dioxide and 1,1,1,2-Tetrafluoroethane in Ionic Liquids Using the van der Waals and Generic Redlich–Kwong Equations of State

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Abstract

In this study, we have examined the modeling of gas solubility in twenty room temperature ionic liquids based on the van der Waals and generic Redlich–Kwong equations of state and have also compared the obtained deviations with each other. The selected gases are carbon dioxide (R744) and 1,1,1,2-tetrafluoroethane (R134a). Experimental data represent a high correlation with the present equations of state. It is concluded that the absolute average deviation is less than 1% for each system, which illustrates the high accuracy and efficiency of the mentioned equations of state. Henry’s law constant and some thermodynamic properties such as enthalpy \((\Delta {{H}^{\infty }})\) and entropy \((\Delta {{S}^{\infty }})\) in infinite dilution are calculated.

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Authors and Affiliations

  1. Department of Chemical and Biological Engineering, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada

    Amirhossein Saali

  2. Department of Chemical Engineering, Central Tehran Branch, Islamic Azad University, Tehran, Iran

    Hossein Sakhaeinia

  3. Research Institute of Petroleum Industry (RIPI), Gas Research Division, Tehran, Iran

    Mohammad Shokouhi

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  1. Amirhossein Saali
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Correspondence to Hossein Sakhaeinia.

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Amirhossein Saali, Sakhaeinia, H. & Shokouhi, M. Modeling the Solubility of Carbon Dioxide and 1,1,1,2-Tetrafluoroethane in Ionic Liquids Using the van der Waals and Generic Redlich–Kwong Equations of State. Theor Found Chem Eng 55, 129–139 (2021). https://doi.org/10.1134/S0040579521010127

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