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Ternary Liquid–Liquid Equilibria for the System 2-Methoxy-2-methylpropane + m-Cresol + Water at 298.15 and 313.15 K: Experimental Data and Correlation

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Abstract

Liquid–liquid equilibrium (LLE) data for the 2-methoxy-2-methylpropane (methyl tert-butyl ether) + m-cresol + water ternary system were measured at 298.15 and 313.15 K and atmospheric pressure. The resulting distribution coefficients and selectivity show 2-methoxy-2-methylpropane is an efficient solvent for the extraction of m-cresol from waste water. The consistency of experimental tie-line data was assessed through the Othmer–Tobias, Hand and Bachman equations. The NRTL and UNIQUAC models were used to correlate the LLE data and to calculate binary interaction parameters for the ternary system. Both models describe the system’s phase behavior accurately with very small average deviations.

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Acknowledgments

Financial support from Project of the Science & Technology New Star of Pearl River in Guangzhou (2011J2200056), the Fundamental Research Funds for the Central Universities, SCUT (2014ZZ0057) and SCUT (2015ZM046), Guangdong Science Foundation (2014A030310260) and National Science Foundation of China (20906028) and (21506066) are gratefully acknowledged.

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Authors and Affiliations

  1. Key Laboratory of Heat Transfer Enhancement and Energy Conservation of Ministry of Education, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, China

    Liejin Luo, Libo Li, Dong Liu & Yun Chen

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  1. Liejin Luo
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  2. Libo Li
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  3. Dong Liu
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  4. Yun Chen
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Correspondence to Yun Chen.

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Luo, L., Li, L., Liu, D. et al. Ternary Liquid–Liquid Equilibria for the System 2-Methoxy-2-methylpropane + m-Cresol + Water at 298.15 and 313.15 K: Experimental Data and Correlation. J Solution Chem 44, 2393–2404 (2015). https://doi.org/10.1007/s10953-015-0418-x

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