Abstract
Isobaric vapor–liquid equilibrium (VLE) data for 2-methylpyridine + 2-vinylpyridine binary systems have been measured using a dynamic circulation device with the pressure points 1.9 kPa, 4.0 kPa, and 5.3 kPa at temperature in the range from 302.8 to 348.5 K. The VLE data passed the thermodynamic consistency test by using L–W method, R–K method and Fredenslund method. The NRTL, Wilson and UNIQUAC models were used to fit the data and binary interaction parameters were obtained for the three models. For these models, the results showed that the calculated values of the model were in good agreement with the experimental values and could, thereby, be used for the design and optimization of distillation.
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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by QG, JL, PY, YJ, BZ and LZ. The first draft of the manuscript was written by QG and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript. Conceptualization: QG, PY, LZ; Methodology: JL, YJ, BZ, LZ; Formal analysis and investigation: QG, PY; Writing—original draft preparation: QG; Writing—review and editing: QG, JL, PY, YJ, BZ and LZ; Funding acquisition: XW; Resources: XW; Supervision: XW.
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Guo, Q., Lin, J., Yang, P. et al. Isobaric Vapor–Liquid Equilibrium for Binary System of 2-Methylpyridine + 2-Vinylpyridine at (1.9, 4.0 and 5.3) kPa. J Solution Chem 52, 921–939 (2023). https://doi.org/10.1007/s10953-023-01280-5
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DOI: https://doi.org/10.1007/s10953-023-01280-5