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Korean Journal of Chemical Engineering, Vol.23, No.1, 1-7, 2006
Optimization study on the azeotropic distillation process for isopropyl alcohol dehydration
Modeling and optimization work was performed using benzene as an entrainer to obtain a nearly pure anhydrous isopropyl alcohol product from dilute aqueous IPA mixture through an azeotropic distillation process. NRTL liquid activity coefficient model and PRO/II with PROVISION 6.01, a commercial process simulator, were used to simulate the overall azeotropic distillation process. We determined the total reboiler heat duties as an objective function and the concentration of IPA at concentrator top as a manipulated variable. As a result, 38.7 mole percent of IPA at concentrator top gave the optimum value that minimized the total reboiler heat duties of the three distillation columns.
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- Gao X, Yin X, Yang S, Yang D, Korean Journal of Chemical Engineering, 36(1), 77, 2019
- Galanido RJ, Kim DS, Cho JH, Korean Journal of Chemical Engineering, 37(5), 850, 2020
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