TY - JOUR ID - 86816 TI - Measurements and Prediction of Melting Temperature and Eutectic Point of Binary Fatty Acids Based on Wilson Activity Model JO - Physical Chemistry Research JA - PCR LA - en SN - 2322-5521 AU - Mirpoorian, Seyyed Mohammadreza AU - Vakili, Mohammad Hasan AU - Noie, SeyedHossein AU - Roohi, Pejman AD - Chemical engineering department, Ferdowsi University of Mashhad, Mashhad, Iran AD - Chemical Engineering Department, Shahreza Branch, Islamic Azad University, Shahreza, Iran AD - Phd of chemical engineering, National Iranian Gas Company Y1 - 2019 PY - 2019 VL - 7 IS - 2 SP - 403 EP - 414 KW - Fatty Acid KW - Wilson model KW - Melting temperature KW - Eutectic point DO - 10.22036/pcr.2019.156579.1564 N2 - There is a great technical interest in solid-liquid equilibrium (SLE) of binary fatty acids. Mainly, these substances are used for the design, development, and operation of many industrial processes because of the application in many manufacturing fields such as the cosmetic, pharmaceutical and biotechnology industries. In this study, an approach is presented for binary fatty acid mixtures to estimate the melting temperatures as a function of mole fraction in the solid-liquid phase equilibrium. Derivation of the Wilson model was developed to predict the melting temperatures and latent heat to achieve eutectic points of capric acid, undecylic acid, pentadecylic acid, and margaric acid binary mixtures. The results showed that in the all binary mixtures, the eutectic point is near to a lighter compound except capric+undecylic acid because of lower melting temperature of undecylic acid than capric acid. Comparison of experimental and thermodynamic studies revealed the low deviations between measured and calculated values obtained in this study. UR - https://www.physchemres.org/article_86816.html L1 - https://www.physchemres.org/article_86816_88bd29fecff9c79fdee55453d2fc1942.pdf ER -