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首页> 外文期刊>Fluid Phase Equilibria >Isobaric vapor-liquid equilibria for water + n-propanol + n-butanol ternary system at atmospheric pressure
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Isobaric vapor-liquid equilibria for water + n-propanol + n-butanol ternary system at atmospheric pressure

机译:常压下水+正丙醇+正丁醇三元体系的等压气液平衡

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摘要

Isobaric vapor-liquid equilibrium (VLE) data for water + n-propanol + n-butanol ternary system have been extensively measured at 99.2 kPa using a recirculating still. The experimental data were then correlated using the extended UNIQUAC model, in which the binary interaction energy parameters between the three components were obtained through a simplex fitting method. The results showed that the calculated data by the extended UNIQUAC model using the same interaction energy parameters agree well with both the experimental data and the literature data. It demonstrated that the experimental data are very consistent with the literature data; and the extended UNIQUAC model is reliable to predict the VLE of the ternary system using the obtained interaction energy parameters.
机译:水+正丙醇+正丁醇三元体系的等压气液平衡(VLE)数据已使用循环蒸馏器在99.2 kPa处进行了广泛测量。然后,使用扩展的UNIQUAC模型对实验数据进行关联,其中,通过单纯形拟合法获得了三个组分之间的二元相互作用能参数。结果表明,扩展UNIQUAC模型使用相同的相互作用能参数计算得到的数据与实验数据和文献数据均吻合良好。结果表明,实验数据与文献数据非常吻合。利用所获得的相互作用能参数,扩展的UNIQUAC模型能够可靠地预测三元系统的VLE。

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