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Vapor-liquid equilibria for binary systems carbon dioxide + 1,1,1,2,3,3-hexafluoro-3-(2,2,2-trifluoroethoxy)propane or 1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane at 303.15 – 323.15 K
Fluid Phase Equilibria ( IF 2.8 ) Pub Date : 2020-12-01 , DOI: 10.1016/j.fluid.2020.112814 Hiroyuki Matsuda , Toru Suga , Tomoya Tsuji , Katsumi Tochigi , Kiyofumi Kurihara , Alyssa K. Nelson , Clare McCabe
Fluid Phase Equilibria ( IF 2.8 ) Pub Date : 2020-12-01 , DOI: 10.1016/j.fluid.2020.112814 Hiroyuki Matsuda , Toru Suga , Tomoya Tsuji , Katsumi Tochigi , Kiyofumi Kurihara , Alyssa K. Nelson , Clare McCabe
Abstract The phase behavior of binary mixtures of carbon dioxide (CO2) and hydrofluoroethers (HFEs) has been studied. In particular, experimental vapor-liquid equilibrium (VLE) data for CO2 + 1,1,1,2,3,3-hexafluoro-3-(2,2,2-trifluoroethoxy)propane (HFE-449mec-f) and 1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane (HFE-7200) at temperatures of 303.15, 313.15, and 323.15 K are reported. The VLE data were measured using a static-type apparatus and then correlated using the Peng-Robinson equation of state with the van der Waals one fluid and Wong-Sandler-NRTL mixing rules. Reasonable correlation results were obtained from the Peng-Robinson equation of state with both the van der Waals one fluid and the Wong-Sandler-NRTL mixing rules. The GC-SAFT-VR equation also gave good predictions of the phase behavior. Additionally, the group contribution SAFT-VR (GC-SAFT-VR) equation was used to predict the experimental VLE in good agreement with the experimental data, as well as the full p,T phase diagram for both systems.
中文翻译：
二元系统的气液平衡二氧化碳 + 1,1,1,2,3,3-六氟-3-(2,2,2-三氟乙氧基)丙烷或 1-乙氧基-1,1,2,2,3 ,3,4,4,4-九氟丁烷在 303.15 – 323.15 K
摘要 研究了二氧化碳 (CO2) 和氢氟醚 (HFE) 的二元混合物的相行为。特别是 CO2 + 1,1,1,2,3,3-六氟-3-(2,2,2-三氟乙氧基)丙烷 (HFE-449mec-f) 和 1 -乙氧基-1,1,2,2,3,3,4,4,4-九氟丁烷 (HFE-7200) 在 303.15、313.15 和 323.15 K 的温度下被报道。VLE 数据是使用静态设备测量的，然后使用 Peng-Robinson 状态方程与范德华一流体和 Wong-Sandler-NRTL 混合规则相关联。从Peng-Robinson状态方程与范德瓦尔斯一流体和Wong-Sandler-NRTL混合规则获得了合理的相关结果。GC-SAFT-VR 方程也对相行为给出了很好的预测。此外，
更新日期：2020-12-01
中文翻译：
二元系统的气液平衡二氧化碳 + 1,1,1,2,3,3-六氟-3-(2,2,2-三氟乙氧基)丙烷或 1-乙氧基-1,1,2,2,3 ,3,4,4,4-九氟丁烷在 303.15 – 323.15 K
摘要 研究了二氧化碳 (CO2) 和氢氟醚 (HFE) 的二元混合物的相行为。特别是 CO2 + 1,1,1,2,3,3-六氟-3-(2,2,2-三氟乙氧基)丙烷 (HFE-449mec-f) 和 1 -乙氧基-1,1,2,2,3,3,4,4,4-九氟丁烷 (HFE-7200) 在 303.15、313.15 和 323.15 K 的温度下被报道。VLE 数据是使用静态设备测量的，然后使用 Peng-Robinson 状态方程与范德华一流体和 Wong-Sandler-NRTL 混合规则相关联。从Peng-Robinson状态方程与范德瓦尔斯一流体和Wong-Sandler-NRTL混合规则获得了合理的相关结果。GC-SAFT-VR 方程也对相行为给出了很好的预测。此外，
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