Insights into Molecular Interactions in Binary and Ternary Mixtures of Propan-1-ol, Pyridine, and Benzene: An Experimental and Modeling Approach

IF 2 3区 工程技术 Q3 CHEMISTRY, MULTIDISCIPLINARY
Arbër Musliu, Kaltrinë Krasniqi, Tahir Arbneshi, Ariel Hernández, Naim Syla and Fisnik Aliaj*, 
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Abstract

Experimental densities and sound speeds at temperatures (293.15, 298.15, 303.15, 313.15, and 323.15 K) and refractive indices at 298.15 K under ambient pressure are reported for the first time for the ternary system {propan-1-ol + pyridine + benzene}, covering the full composition range. Corresponding binary subsystems were also investigated. The excess molar volume, excess isentropic compressibility, and excess refractive index, derived from experimental data, were correlated by using the Redlich−Kister and Cibulka equations for binary and ternary systems, respectively. The composition and temperature dependence of these properties provided insights into molecular interactions and structural effects within the mixtures. The perturbed chain statistical associating fluid theory equation of state modeled the densities of binary and ternary mixtures using a predictive approach. Schaaff’s collision factor theory and Nomoto’s relation modeled sound speeds, while Lorentz−Lorenz, Gladstone−Dale, Laplace, and Eykman mixing rules predicted refractive indices. The Jouyban−Acree model represents the composition and temperature dependence of the thermophysical properties. Ternary excess properties were compared with values predicted by binary contribution symmetric (Kohler and Muggianu) and asymmetric (Hillert and Toop) geometric models. Model accuracy was evaluated using statistical indicators, highlighting the suitability of theoretical and empirical approaches for describing the thermophysical properties in these mixtures.

Abstract Image

洞察分子相互作用的二元和三元混合物的丙-1-醇,吡啶和苯:实验和建模方法
本文首次报道了在293.15、298.15、303.15、313.15和323.15 K温度下三元体系{丙烷-1-醇+吡啶+苯}的实验密度和声速以及298.15 K环境压力下的折射率,涵盖了整个组成范围。并对相应的二进制子系统进行了研究。利用二元和三元体系的Redlich - Kister和Cibulka方程,分别推导出了二元和三元体系的超摩尔体积、超等熵压缩率和超折射率。这些性质的组成和温度依赖性提供了对混合物中分子相互作用和结构效应的见解。微扰链统计关联流体理论状态方程用预测方法模拟了二元和三元混合物的密度。Schaaff的碰撞因子理论和Nomoto的关系模拟了声速,而Lorentz - Lorenz, Gladstone - Dale, Laplace和Eykman混合规则预测了折射率。Jouyban - Acree模型表示热物性的组成和温度依赖关系。将三元过剩特性与二元贡献对称(Kohler和Muggianu)和非对称(Hillert和Toop)几何模型预测的值进行了比较。利用统计指标评估了模型的准确性,强调了理论和经验方法在描述这些混合物的热物理性质方面的适用性。
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来源期刊
Journal of Chemical & Engineering Data
Journal of Chemical & Engineering Data 工程技术-工程:化工
CiteScore
5.20
自引率
19.20%
发文量
324
审稿时长
2.2 months
期刊介绍: The Journal of Chemical & Engineering Data is a monthly journal devoted to the publication of data obtained from both experiment and computation, which are viewed as complementary. It is the only American Chemical Society journal primarily concerned with articles containing data on the phase behavior and the physical, thermodynamic, and transport properties of well-defined materials, including complex mixtures of known compositions. While environmental and biological samples are of interest, their compositions must be known and reproducible. As a result, adsorption on natural product materials does not generally fit within the scope of Journal of Chemical & Engineering Data.
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