Liquid-liquid equilibrium of systems containing triacylglycerols (canola and corn oils), diacylglycerols, monoacylglycerols, fatty acids, ester and ethanol at T/K=303.15 and 318.15

Autor(es)

Ferreira, Marcela Cravo ^[1] ; Bessa, Larissa C. B. A. ^[1] ; Shiozawa, Simone ^[1] ; Meirelles, Antonio J. A. ^[1] ; Caldas Batista, Eduardo Augusto ^[1]

Afiliação do(s) autor(es)

^[1] Univ Campinas UNIVCAMP, EXTRAE, Dept Food Engn, Fac Food Engn, BR-13083970 Campinas, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Fluid Phase Equilibria; v. 404, p. 32-41, OCT 25 2015.
• Citações Web of Science: 12

Resumo

New liquid-liquid equilibrium (LLE) experimental measurements were obtained for systems composed of oil (canola and corn) + commercial mixtures of triacylglycerols, diacylglycerols and monoacylglycerols + ethyl ester (oleate and linoleate) and ethanol at T/K = 303.15 and 318.15. The LLE experimental data were used to estimate NRTL parameters and evaluate the UNIFAC ones. The average deviations related to mass fraction composition between experimental and calculated values by the NRTL model were less than 0.49%. Two different sets of UNIFAC binary interaction parameters were used to test their prediction capability. The original parameters could not describe well this kind of system, as expected. Nevertheless, an alternative set of parameters, obtained from literature was able to decrease the deviation values between experimental and calculated results. (C) 2015 Elsevier B.V. All rights reserved. (AU)

• Processo FAPESP: 09/54137-1 - EMUS: aquisição de um analisador de distribuição de tamanho de partículas, um medidor de potencial zeta, um spray dryer e um sistema de cromatografia líquida de ultra alta pressão / espectrômetro de massa
• Beneficiário: Miriam Dupas Hubinger
• Modalidade de apoio: Auxílio à Pesquisa - Programa Equipamentos Multiusuários
• Processo FAPESP: 08/56258-8 - Phase equilibrium and purification processes in the production of biofuels and biocompounds
• Beneficiário: Antonio José de Almeida Meirelles
• Modalidade de apoio: Auxílio à Pesquisa - Programa BIOEN - Temático