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Phase Diagrams of Ternary and Quaternary Systems Containing Heptane, Toluene, Dimethylsulfoxide, Methanol, and Ethanol at 298.15 K

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Abstract

Liquid–liquid equilibrium of the ternary and quaternary systems (heptane + toluene + dimethyl sulfoxide), (heptane + toluene + dimethylsulfoxide + methanol), (heptane + toluene +dimethylsulfoxide + ethanol) were studied at 298.15 K and atmospheric pressure. The thermodynamic consistency of the experimental data was verified by Othmer-Tobias and Hand correlations. Selectivity and solute distribution ratio were calculated and experimental data were correlated by the nonrandom Two-Liquid activity coefficient model. Correlated results are in good agreement with experimental data.

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ACKNOWLEDGMENTS

The authors are grateful to the Analyses and Characterization Centre of Kadi AYYAD University, Marrakech-Morroco, for material support and facilities.

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Authors and Affiliations

  1. Physical-Chemistry of Processes and Materials, Faculty of Sciences and Technologies, Hassan 1st University, Settat, Morocco

    F. Farghi & M. Kaddami

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  1. F. Farghi
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  2. M. Kaddami
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Correspondence to F. Farghi.

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Farghi, F., Kaddami, M. Phase Diagrams of Ternary and Quaternary Systems Containing Heptane, Toluene, Dimethylsulfoxide, Methanol, and Ethanol at 298.15 K. Russ. J. Phys. Chem. 92, 2502–2506 (2018). https://doi.org/10.1134/S0036024418120105

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  • DOI: https://doi.org/10.1134/S0036024418120105

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