Phase equilibria of methanol–triolein system at elevated temperature and pressure |
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| Affiliation: | 1. Research Institute of Petroleum Processing, Sinopec, Beijing 100083, China;2. Institute of Chemistry, Chinese Academy of Science, Beijing 100080, China;1. Sección de Estudios de Posgrado e Investigación, ESIQIE, IPN, Av. IPN s/n Col. Lindavista, 07738 México D.F., Mexico;2. Departamento de Ingeniería en Metalurgia y Materiales, ESIQIE, IPN, Av. IPN s/n Col. Lindavista, 07738 México D.F., Mexico;3. Departamento de Energía, Universidad Autónoma Metropolitana-Azcapotzalco Av. Sn Pablo 180, Col. Reynosa, México D.F. 02200, Mexico;4. Departamento de Química, Universidad Autónoma Metropolitana-Iztapalapa Av. San Rafael Atlixco 186, México D.F. 09340, Mexico;1. Department of Chemistry, School of Sciences, Zhejiang Sci-Tech University, Hangzhou 310018, PR China;2. School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR China;3. College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, PR China;1. Universidad Autónoma Metropolitana – Iztapalapa, Departamento de Ingeniería de Procesos e Hidráulica, San Rafael Atlixco No. 186, Colonia Vicentina, Delegación Iztapalapa, C.P. 09340 México D.F., Mexico;2. Universidad Autónoma Metropolitana – Cuajimalpa, Departamento de Procesos y Tecnología, Avenida Vasco de Quiroga No.4871, Colonia Santa Fe Cuajimalpa, Delegación Cuajimalpa de Morelos, C.P. 05300 México, D.F., Mexico;3. Universidad Autónoma del Estado de Morelos, Facultad de Farmacia, Av. Universidad 1001 Chamilpa, Cuernavaca C.P. 62209, Morelos, Mexico;1. School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, People’s Republic of China;2. Hubei Key Laboratory of Edible Wild Plants Conservation and Utilization, 11 Cihu Road, Huangshi 435002, Hubei, People’s Republic of China |
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| Abstract: | The phase behavior of methnol–triolein system was determined experimentally at 6.0, 8.0 and 10.0 MPa in the temperature range of 353.2–463.2 K. The results demonstrated that the miscibility of the system was rather poor at low temperature, and the miscibility could be improved by increasing temperature. At a higher pressure, the miscibility was more sensitive to temperature as pressure was fixed. The critical temperature, critical pressure, and acentric factor of triolein were estimated and the experimental data were correlated using the Peng–Robinson equation of state. The calculated data agreed reasonably with the experimental results. |
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