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High pressure solid–liquid equilibria of fatty acids |
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| Authors: | Mariana C Costa MA Krähenbühl Antonio JA Meirelles JL Daridon J Pauly JAP Coutinho |
| Institution: | 1. LPT, Department of Chemical Processes (DPQ), Chemical Engineering Faculty (FEQ), State University of Campinas (UNICAMP), P.O. Box 6066, 13083-970 Campinas, São Paulo, Brazil;2. EXTRAE, Department of Food Engineering (DEA), Food Engineering Faculty (FEA), State University of Campinas (UNICAMP), P.O. Box 6121, 13083-862 Campinas, São Paulo, Brazil;3. Laboratoire des Fluides Complexes, Groupe Haute Pression, Université de Pau et des Pays de l’Adour, Pau, France;4. CICECO, Departamento de Química da Universidade de Aveiro, 3810-193 Aveiro, Portugal |
| Abstract: | The solid–liquid phase diagrams of two binary mixtures of saturated fatty acids, formed by caprylic acid (C8:0) + myristic acid (C14:0) and lauric acid (C12:0) + myristic acid (C14:0), were measured using high pressure microscopy in the range of 0.1–90 MPa. It is shown that unlike for other long chain alkyl compounds such as alkanes the phase diagrams are only slightly affected by the pressure, even in very large pressure ranges such as studied in this work. |
| Keywords: | Solid&ndash liquid equilibrium High pressure Phase diagrams Caprylic acid Lauric acid Myristic acid Modeling |
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