Phase behavior of carbon dioxide-aromatic hydrocarbon mixtures |
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| Institution: | 1. Departamento de Química Física, Facultad de Ciencias, Universidad de Cádiz, E-11510 Puerto Real (Cádiz), Spain;2. Departamento de Química Física, Facultad de Farmacia, Universidad de Sevilla, E-41012 Sevilla, Spain;3. Departamento de Ingeniería Química, Facultad de Química, Universidad de Sevilla, E-41012 Sevilla, Spain;4. Departamento de Ciencias de los Materiales, Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, E-11510 Puerto Real (Cádiz), Spain;1. School of Environmental Science and Engineering, Tianjin University, Tianjin, 300072, China;2. Department of Chemical Engineering, Imperial College London, London, SW7 2AZ, UK;3. Tianjin Key Lab of Biomass/waste Utilization, Key Laboratory of Efficient Utilization of Low and Medium Energy, Tianjin University, Tianjin, 300072, China;4. School of Chemistry and Chemical Engineering, Henan Normal University, Henan Province, 3326335, China;5. School of Mechanical Engineering, Tianjin University of Commerce, Tianjin, 300134, China;1. Departamento de Química Física, Facultad de Ciencias, Universidad de Cádiz, E-11510 Puerto Real, Cádiz, Spain;2. Departamento de Química Física, Facultad de Farmacia, Universidad de Sevilla, 41012 Sevilla, Spain;3. Departamento de Ingeniería Química, Facultad de Química, Universidad de Sevilla, E-41012 Sevilla, Spain;4. Departamento de Ciencias de los Materiales, Ingeniería Metalúrgica y Química Inorgánica, Universidad de Cádiz, E-11510 Puerto Real, Cádiz, Spain;1. Department of Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, TN 37235, United States;2. Vanderbilt Multiscale Modeling and Simulation (MuMS) Center, Vanderbilt University, Nashville, TN 37235, USA;3. Interdisciplinary Materials Science Program, Vanderbilt University, Nashville, TN 37235, United States;4. Department of Chemistry, Vanderbilt University, Nashville, TN 37235, United States;5. Institute for Software Integrated Systems, Vanderbilt University, Nashville, TN 37235, United States;1. State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China;2. Computational Transport Phenomena Laboratory, Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia;3. Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China;1. Departamento de Química Física, Facultad de Ciencias, Universidad de Cádiz, E-11510 Puerto Real, Cádiz, Spain;2. Departamento de Ingeniería Química, Facultad de Química, Universidad de Sevilla, E-41012 Sevilla, Spain;3. Departamento de Química Física, Facultad de Farmacia, Universidad de Sevilla, E-41012 Sevilla, Spain |
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| Abstract: | Occhiogrosso, R.N., Igel, J.T. and McHugh, M.A., 1986. Phase behavior of carbon dioxide-aromatic hydrocarbon mixtures. Fluid Phase Equilibria, 26: 165–179.Vapor-liquid-equilibria experiments are conducted at 299.25, 305.65, 316.25, 338.35, 363.15, and 383.15 K and for pressures up to 175 bar for the CO2-isopropyl benzene (cumene) system. Pressure-composition information is obtained. The resulting experimental data are modeled using the Peng-Robinson equation-of-state. Two temperature-independent model parameters, δij, which accounts for molecular interactions between CO2 and cumene, and ηij, which accounts for the size difference between CO2 and cumene, are used to obtain good agreement between calculated and experimental data.The results for the CO2-cumene system are compared to the CO2-toluene and CO2-m-xylene systems which are available in the literature. The CO2-toluene and CO2-m-xylene systems can be modeled using the same δij and ηij values used for the CO2-cumene system. |
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