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Solid-liquid equilibrium of binary and ternary mixtures containing ethyl oleate, ethyl myristate and ethyl stearate

Texto completo
Autor(es):
Robustillo, Maria Dolores [1] ; Barbosa, Deise Fernanda [1] ; de Almeida Meirelles, Antonio Jose [2] ; Pessoa Filho, Pedro de Alcantara [1]
Número total de Autores: 4
Afiliação do(s) autor(es):
[1] Univ Sao Paulo, Sch Engn, Dept Chem Engn, BR-05424970 Sao Paulo - Brazil
[2] Univ Estadual Campinas, UNICAMP, Sch Food Engn FEA, Dept Food Engn DEA, Campinas, SP - Brazil
Número total de Afiliações: 2
Tipo de documento: Artigo Científico
Fonte: Fluid Phase Equilibria; v. 370, p. 85-94, MAY 25 2014.
Citações Web of Science: 3
Resumo

Solid-liquid equilibrium for binary mixtures of ethyl oleate and ethyl myristate, ethyl oleate and ethyl stearate, and ethyl myristate and ethyl stearate was studied through differential scanning calorimetry. Experimental results confirmed the occurrence of polymorphism of ethyl oleate, ethyl myristate and ethyl stearate. Simple eutectic behavior was observed for systems containing the unsaturated ester ethyl oleate. However, the system formed by both saturated esters (ethyl myristate and ethyl stearate) presented a complex behavior, and not only eutectic transitions but also peritectic and metatectic transformations were observed. In addition, solid-liquid equilibrium for the ternary mixture formed by the esters mentioned was studied. A peritectic reaction was also manifested in the ternary system. (C) 2014 Elsevier B.V. All rights reserved. (AU)

Processo FAPESP: 10/18355-1 - Estudo do equilíbrio sólido-líquido de misturas de ésteres etílicos
Beneficiário:Maria Dolores Robustillo Fuentes
Linha de fomento: Bolsas no Brasil - Pós-Doutorado
Processo FAPESP: 08/56258-8 - Phase equilibrium and purification processes in the production of biofuels and biocompounds
Beneficiário:Antonio José de Almeida Meirelles
Linha de fomento: Auxílio à Pesquisa - Programa BIOEN - Temático