Abstract In this work, thermophysical properties were determined for understanding of solute-solvent interactions in (aromatics + deep eutectic solvents). The standard partial molar volume (V0ϕ), partial molar isentropic compressibility (κ0ϕ), and viscosity B-coefficient were determined for the mixtures at dilution region of aromatic compounds. The liquid-liquid equilibria (LLE) for ternary mixtures including (n-hexane + benzene or thiophene + N-formylmorpholine (NFM) or sulfolane (SULF) or diglycolamine (DGA) or deep eutectic solvents (DESs)) were determined at T = (303.15–313.15) K. The performance of the studied solvents or DESs were investigated by distribution coefficient (β) and selectivity (S) in liquid-liquid extraction. The NRTL activity coefficient model was used to correlate LLE data. The experimental results indicate the good performance of DGA-containing DES in comparison with NFM and SULF at the ambient condition. The results of LLE data and calculated thermophysical parameters confirm each other.

中文翻译：

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{(苯/噻吩)+己烷+低共熔溶剂}三元体系的液-液平衡热物理特性研究

摘要 在这项工作中，为了理解（芳烃 + 深共晶溶剂）中的溶质 - 溶剂相互作用，确定了热物理性质。标准偏摩尔体积 (V0φ)、偏摩尔等熵压缩率 (κ0φ) 和粘度 B 系数是在芳香族化合物的稀释区域确定混合物的。包括（正己烷 + 苯或噻吩 + N-甲酰基吗啉 (NFM) 或环丁砜 (SULF) 或二甘醇胺 (DGA) 或低共熔溶剂 (DESs)）的三元混合物的液-液平衡 (LLE) 在 T = (303.15–313.15) K. 研究的溶剂或 DES 的性能通过液-液萃取中的分配系数 (β) 和选择性 (S) 进行研究。NRTL 活动系数模型用于关联 LLE 数据。实验结果表明，在环境条件下，与 NFM 和 SULF 相比，含 DGA 的 DES 具有良好的性能。LLE 数据的结果和计算出的热物理参数相互印证。