Phase diagrams of mixtures of ethyl palmitate with fatty acid ethyl esters

Autor(es)

Costa, M. C. ^[1] ; Boros, L. A. D. ^[2] ; Batista, M. L. S. ^[3] ; Coutinho, J. A. P. ^[3] ; Kraehenbuehl, M. A. ^[2] ; Meirelles, Antonio J. A. ^[1]

Afiliação do(s) autor(es)

^[1] Univ Campinas UNICAMP, EXTRAE, Dept Food Engn DEA, Sch Food Engn FEA, BR-13083862 Sao Paulo - Brazil

^[2] Univ Campinas UNICAMP, LPT, Dept Chem Proc DPQ, Sch Chem Engn FEQ, BR-13083970 Sao Paulo - Brazil

^[3] Univ Aveiro, CICECO, Dept Quim, P-3810193 Aveiro - Portugal

• Tipo de documento: Artigo Científico
• Fonte: FUEL; v. 91, n. 1, p. 177-181, JAN 2012.
• Citações Web of Science: 32

Resumo

The cloud point is an important property of biodiesel, controlling its low temperature behaviour, especially the fluidity of the fuel. Although biodiesel is an interesting renewable energy source, data for the melting/cloud point of biodiesel or simple binary or ternary mixtures of fatty acid ethyl esters (FAEE) are still scarce in the literature, particularly for those involving ethyl esters. The phase diagrams of six binary mixtures of ethyl palmitate with saturated and unsaturated fatty acid ethyl esters were determined by Differential Scanning Calorimetry (DSC). The determined systems were successfully described employing the UNIQUAC model. The experimental data indicates that the cloud point is controlled by the fatty acid ethyl ester in the mixture with higher melting temperature. (C) 2011 Elsevier Ltd. All rights reserved. (AU)

• Processo FAPESP: 08/09502-0 - Estudo detalhado do equilíbrio sólido-líquido de misturas de álcoois graxos com ácidos graxos
• Beneficiário: Mariana Conceição da Costa
• Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado