Thermophysical properties of biodiesel and related systems: (Liquid + liquid) equilibrium data for castor oil biodiesel |
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| Institution: | 1. Department of Chemical Engineering, UFSM, Santa Maria, RS 97105-900, Brazil;2. Department of Chemical Engineering, UEM, Maringá, PR 87020 900, Brazil;3. Department of Chemical Engineering, UFPR, Curitiba, PR 81531-990, Brazil;4. Department of Chemical and Food Engineering, UFSC, Florianópolis, SC 88040-900, Brazil;5. Department of Food Technology, IFRS – Campus Sertão, Sertão, RS 99170-000, Brazil;6. Department of Food Engineering, URI – Campus de Erechim, Erechim, RS 99700-000, Brazil;1. Key Laboratory of Thermo-Fluid Science and Engineering, Ministry of Education, Xi’an Jiaotong University, Xi’an, Shaanxi Province, 710049, PR China;2. State Key Laboratory of Power System of Tractor, Luoyang, Henan Province, 471039, PR China;1. Department of Architecture and Built Environment, Faculty of Science and Engineering, The University of Nottingham Ningbo China, 199 Taikang East Road, Ningbo, 315100, PR China;2. Department of Architecture and Built Environment, The University of Nottingham, University Park, Nottingham, NG7 2RD, UK |
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| Abstract: | This work reports new liquid–liquid solubility values (binodal curves) as well as (liquid + liquid) equilibrium data for, ternary and quaternary systems containing fatty acid methyl esters (FAME) and fatty acid ethyl esters (FAEE) from castor oil, water, glycerol, methanol and anhydrous ethanol at T = (303.15, 318.15, and 333.15) K. Solubility curves (binodal) were also obtained by the cloud-point method for binary systems containing FAME, FAEE, water, or glycerol. All results obtained can be considered of good quality. The experimental values were correlated using the UNIQUAC model, whose results presented good performance and satisfactory fitting of equilibrium values. |
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