Extractive Distillation of an Equimolar Acetone-Methanol Mixture Using Water
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Consider an extractive distillation column operating at atmospheric pressure with 55 stages, a partial reboiler, and a total condenser. It is used to separate acetone and methanol using water as an entrainer.
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Contributed by: Housam Binous and Naim Faqir (July 2012)
Open content licensed under CC BY-NC-SA
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Details
The expressions for pure component vapor and liquid enthalpies were adapted from Aspen HYSYS.
The mixture is assumed to obey the modified Raoult's law, and activity coefficients are predicted using the Wilson model.
References
[1] M. F. Doherty and M. F. Malone, Conceptual Design of Distillation Systems, New York: McGraw-Hill, 2001.
[2] E. J. Henley and J. D. Seader, Equilibrium-Stage Separation Operations in Chemical Engineering, New York: Wiley, 1981.
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