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首页> 外文期刊>Fluid Phase Equilibria >Multiphase equilibria for mixtures containing water, isopropanol, propionic acid, and isopropyl propionate
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Multiphase equilibria for mixtures containing water, isopropanol, propionic acid, and isopropyl propionate

机译：包含水，异丙醇，丙酸和丙酸异丙酯的混合物的多相平衡

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摘要

Vapor pressures of isopropyl propionate and isobaric vapor-liquid equilibrium (VLE) properties of isopropyl propionate + isopropanol and propionic acid + isopropyl propionate were measured. Isothermal vapor-liquid-liquid equilibrium (VLLE) data were also determined experimentally for water + isopropyl propionate and water + isopropyl propionate + isopropanol at temperatures from 323.24 K to 373.15 K. The binary VLE and VLLE data can be correlated well with the NRTL-HOC and the UNIQUAC-HOC models. The ternary VLLE data were used to test the validity of two versions of the UNIFAC model and the NRTL-HOC and the UNIQUAC-HOC models with the parameters determined from the phase equilibrium data of the constituent binaries. The ternary VLLE data were also correlated with the NRTL-HOC and the UNIQUAC-HOC models and the Soave-Redlich-Kwong equation of state with the Wong-Sandler mixing rule.
机译：测量了丙酸异丙酯的蒸气压和丙酸异丙酯+异丙醇和丙酸+丙酸异丙酯的等压气液平衡（VLE）特性。还通过实验确定了水+丙酸异丙酯和水+丙酸异丙酯+异丙醇在323.24 K至373.15 K的温度下的等温气-液-液平衡（VLLE）数据。二元VLE和VLLE数据可以与NRTL- HOC和UNIQUAC-HOC模型。 VLLE三元数据用于测试两个版本的UNIFAC模型以及NRTL-HOC和UNIQUAC-HOC模型的有效性，其参数由组成二进制的相平衡数据确定。三元VLLE数据还与NRTL-HOC和UNIQUAC-HOC模型以及具有Wong-Sandler混合规则的Soave-Redlich-Kwong状态方程相关。

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