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首页> 外文期刊>Fluid Phase Equilibria >'Vapor-liquid' equilibrium measurements and modeling for the cyclohexane+n-hexanoic acid binary system
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'Vapor-liquid' equilibrium measurements and modeling for the cyclohexane+n-hexanoic acid binary system

机译:环己烷+正己酸二元体系的“气液”平衡测量和建模

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摘要

To simulate cyclohexane to cyclohexanol oxidation reactors, the acquisition and modeling of vapor-liquid equilibria of the key components, under the process conditions, are essential. n-Hexanoic acid is a co-product of the reaction. Vapor-liquid equilibrium data are reported for the cyclohexane. +. n-hexanoic acid binary system at four temperatures: 413, 423, 464 and 484 K. All measurements have been carried out using an apparatus based on the "static-analytic" method, with two ROLSI? pneumatic capillary samplers. The generated data are successfully correlated using two equations of state, the Peng-Robinson (PR) and the Perturbed Chain Statistical Association Fluid Theory (PC-SAFT). Both models are capable of representing the experimental data, but the PC-SAFT EoS uses less binary interaction parameters.
机译:为了模拟环己烷到环己醇的氧化反应器,在工艺条件下关键组分的汽液平衡的获取和建模是必不可少的。正己酸是反应的副产物。报告了环己烷的汽液平衡数据。 +。正己酸二元系统在四个温度下:413、423、464和484K。所有测量均使用基于“静态分析”方法的设备进行,带有两个ROLSI?气动毛细管采样器。使用两个状态方程,Peng-Robinson(PR)和扰动链统计协会流体理论(PC-SAFT),成功地关联了生成的数据。两种模型都能够表示实验数据,但是PC-SAFT EoS使用较少的二进制交互参数。

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