Frontiers of Chemical Science and Engineering >

2013 , Vol. 7 >Issue 1: 110 - 115

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

RESEARCH ARTICLE

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

  • Yanhong SUN 1 ,
  • Zhiyong LI 1 ,
  • Chuang XIE 1 ,
  • Wei CHEN , 1 ,
  • Cui ZHANG 2
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  • 1. The National Engineering Research Center of Industry Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
  • 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

Received date: 19 Sep 2012

Accepted date: 28 Dec 2012

Published date: 05 Mar 2013

Copyright

2014 Higher Education Press and Springer-Verlag Berlin Heidelberg
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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 non-random two liquid (NRTL) equations and a good agreement between measurement and calculation could be obtained.

Key words： solid-liquid equilibrium (SLE); eutectic; integrated computer aided system (ICAS); TOPEM; correlation

Cite this article

Yanhong SUN , Zhiyong LI , Chuang XIE , Wei CHEN , Cui ZHANG . Measurement and correlation of the solid-liquid equilibrium of 2-(tert-buty)-5-methylphenol and 2-(tert-buty)-4-methylphenol binary system[J]. Frontiers of Chemical Science and Engineering, 2013 , 7(1) : 110 -115 . DOI: 10.1007/s11705-013-1316-7

Acknowledgments

We are grateful to Prof. Rafiqul Gani for providing the software ICAS. This work is financially supported by the National Natural Science Foundation of China (Grant Nos. 20836005, 21003077 and 21176184) and Open Project of Key Laboratory of Advanced Energy Materials Chemistry (Nankai University) (KLAEMC-OP201201).

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