Keywords
vapor-liquid balance
azeotrope
chloroform
methanol
Peng Robinson
Van Laar equilibrio vapor-líquido
azeótropo
cloroformo
methanol
Peng Robinson
Van Laar
azeotrope
chloroform
methanol
Peng Robinson
Van Laar equilibrio vapor-líquido
azeótropo
cloroformo
methanol
Peng Robinson
Van Laar
How to Cite
Moreno-Díaz, D., Prieto-Jiménez, N., & González-Silva, G. (2019). Modeling the liquid-vapor balance of the chloroform-methane system using the Van Laar model and Peng Robinson equation. Informador Tecnico, 83(2), 112–120. https://doi.org/10.23850/22565035.2042
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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