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Type: Artigo
Title: Liquid–liquid equilibrium for ternary systems containing ethylic biodiesel + anhydrous ethanol + refined vegetable oil (sunflower oil, canola oil and palm oil): experimental data and thermodynamic modeling
Author: Dias, T. P. V. B.
Mielke Neto, P.
Ansolin, M.
Follegatti-Romero, L. A.
Batista, E. A. C.
Meirelles, A. J. A.
Abstract: Phase equilibria of the reaction components are essential data for the design and process operations of biodiesel production. Despite their importance for the production of ethylic biodiesel, the reaction mixture, reactant (oil and ethanol) and the product (fatty acid ethyl esters) up to now have received less attention than the corresponding systems formed during the separation and purification phases of biodiesel production using ethanol. In this work, new experimental measurements were performed for the liquid-liquid equilibrium (LLE) of the system containing vegetable oil (sunflower oil and canola oil) + ethylic biodiesel of refined vegetable oil + anhydrous ethanol at 303.15 and at 323.15 K and the system containing refined palm oil + ethylic biodiesel of refined palm oil + ethanol at 318.15 K. The experimental data were successfully correlated by the nonrandom two-liquid (NRTL) model; the average deviations between calculated and experimental data were smaller than 1.00%
Subject: Etanol
Country: Alemanha
Editor: Springer
Rights: Aberto
Identifier DOI: 10.1590/0104-6632.20150323s00003447
Date Issue: 2015
Appears in Collections:FEA - Artigos e Outros Documentos

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