Abstract
Mathematical modeling of the phase balance is the basis of the description of distillation, used to refine products of purchasing potential. The ability to understand, model and predict the balance of phases is necessary for the design of industrial separation processes. The purpose of this article is to present the thermodynamic model and the methodology described step by step, for the construction of the bubble and dew curves, of the chloroform-methanol system. Matlab programs adequately predicted the azeotrope, using Peng’s cubic equation Robinson and the Van Laar model. Finally, the simulations were compared with Aspen Hysys and validated with experimental data reports reported in the literature, with error rates below 5 %.
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