苯甲酸甲酯与苯甲醇和苯甲醛的二元等压气液平衡

IF 2.5 4区工程技术 Q3 CHEMISTRY, PHYSICAL

International Journal of Thermophysics Pub Date : 2024-10-18 DOI:10.1007/s10765-024-03441-0

Seon Hwa Baek, Won Wook Seo, Tae Hyun Kim, Jeong Won Kang

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引用次数: 0

摘要

测量了（苯甲酸甲酯 + 苯甲醇）和（苯甲酸甲酯 + 苯甲醛）的二元气液平衡 (VLE)，并使用活度系数模型将其联系起来。测量是在 101.3、51.3 和 21.3 千帕的恒压下使用改进的 Othmer 蒸馏器进行的。使用非随机双液模型 (NRTL)、威尔逊模型和通用准化学模型 (UNIQUAC) 检验了测量数据的一致性和相关性。数据还与 UNIFAC 和机器学习版 COSMO-SAC 等预测模型进行了比较。相互作用参数的温度依赖性是准确表示数据的必要条件，涵盖了实验的压力范围。这些结果可用于设计苯甲酸甲酯生产的净化工艺。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Binary Isobaric Vapor–Liquid Equilibrium for Methyl Benzoate with Benzyl Alcohol and Benzaldehyde

The binary vapor–liquid equilibria (VLE) of (methyl benzoate + benzyl alcohol) and (methyl benzoate + benzaldehyde) were measured and correlated using activity coefficient models. The measurements were performed using a modified Othmer still at constant pressures of 101.3, 51.3, and 21.3 kPa. The measured data were tested for consistency and correlated using the non-random two-liquid (NRTL), Wilson, and universal quasi-chemical (UNIQUAC) models. The data were also compared with predictive models, such as UNIFAC and the machine learning version of COSMO-SAC. Temperature dependence of the interaction parameters was required to accurately represent the data, covering the pressure range of the experiments. These results can be used to design a purification process for methyl benzoate production.

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来源期刊

International Journal of Thermophysics 物理-力学

CiteScore

4.10

自引率

9.10%

发文量

179

审稿时长

5 months

期刊介绍： International Journal of Thermophysics serves as an international medium for the publication of papers in thermophysics, assisting both generators and users of thermophysical properties data. This distinguished journal publishes both experimental and theoretical papers on thermophysical properties of matter in the liquid, gaseous, and solid states (including soft matter, biofluids, and nano- and bio-materials), on instrumentation and techniques leading to their measurement, and on computer studies of model and related systems. Studies in all ranges of temperature, pressure, wavelength, and other relevant variables are included.