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Measurement and correlation of the solid-liquid equilibrium of 2-(tert-buty)-5-methylphenol and 2-(tert-buty)-4-methylphenol binary system

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Abstract

In this work, the enthalpy of fusion and melting points of 2-(tert-butyl)-5-methylphenol (2B5MP) and 2-(tert-butyl)-4-methylphenol (2B4MP) were measured by differential scanning calorimetry (DSC). The binary solid-liquid equilibrium (SLE) of both compounds were predicted by integrated computer aided system (ICAS) and measured by DSC. The corresponding eutectic molar composition is 0.6998 and the eutectic temperature is 281.96 K. The quasi-static heat capacities of 2B5MP and 2B4MP were evaluated by stochastic temperature modulation DSC technique (TOPEM). The SLE experimental data were correlated using the Margules, Wilson, and nonrandom two liquid (NRTL) equations and a good agreement between measurement and calculation could be obtained.

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Authors and Affiliations

  1. The National Engineering Research Center of Industry Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China

    Yanhong Sun, Zhiyong Li, Chuang Xie & Wei Chen

  2. The Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Institute of New Catalytic Materials Science, College of Chemistry, Nankai University, Tianjin, 300071, China

    Cui Zhang

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  1. Yanhong Sun
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  2. Zhiyong Li
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  3. Chuang Xie
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  4. Wei Chen
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Correspondence to Wei Chen.

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Sun, Y., Li, Z., Xie, C. et al. Measurement and correlation of the solid-liquid equilibrium of 2-(tert-buty)-5-methylphenol and 2-(tert-buty)-4-methylphenol binary system. Front. Chem. Sci. Eng. 7, 110–115 (2013). https://doi.org/10.1007/s11705-013-1316-7

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  • DOI: https://doi.org/10.1007/s11705-013-1316-7

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