Moving boundary in non-equilibrium simple batch distillation in non-ideal systems |
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| Authors: | JC Teixeira FC Sena AMV Silva L Stragevitch JMF Silva |
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| Affiliation: | 1. Universidad de Guanajuato, Campus Guanajuato, DCNyE, Departamento de Ingeniería Química, Noria Alta s/n, 36050 Guanajuato, Guanajuato, Mexico;2. Universidad Michoacana de San Nicolás de Hidalgo, Facultad de Ingeniería Química, Ciudad Universitaria, Col. Felicitas del Río, 58060 Morelia, Michoacán, Mexico;1. Thomas More Kempen, Kleinhoefstraat 4, B-2440 Geel, Belgium;2. Université de Toulouse, INP, UPS, LGC (Laboratoire de Génie Chimique), 4 allée Emile Monso, F-31432 Toulouse Cedex 04, France;3. CNRS, LGC (Laboratoire de Génie Chimique), F-31432 Toulouse Cedex 04, France;4. Instituto Superior de Tecnologías y Ciencias Aplicadas (InSTEC), Ave Salvador Allende y Luaces, La Habana 10400, Cuba |
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| Abstract: | This work is concerned with the computational aspects of the dynamic behavior of a simple distillation process using the irreversible model. The composition trajectories in residue curve map diagrams were calculated for a methanol/isopropanol/water mixture. The composition paths calculated by the irreversible model were compared to published experimental results for this mixture. The simulation results showed that residue curves, including the simple distillation boundaries, were sensitive to the irreversible model applied. Furthermore, since simple distillation boundaries and residue curves had been constructed using the same model equilibrium and irreversible ones. Another phenomenon observed from the numerical results was the occurrence of binary azeotropes isopropanol–water in the non-ideal mixture analyzed. |
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