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

被引：23

作者：

Ferreira, Marcela Cravo ^{[1
]}

Bessa, Larissa C. B. A. ^{[1
]}

Shiozawa, Simone ^{[1
]}

Meirelles, Antonio J. A. ^{[1
]}

Caldas Batista, Eduardo Augusto ^{[1
]}

机构：

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

来源：

FLUID PHASE EQUILIBRIA | 2015年 / 404卷

基金：

巴西圣保罗研究基金会;

关键词：

Liquid-liquid equilibrium; Diacylglycerols; Monoacylglycerols; Biodiesel; Ethanol; BIODIESEL; PREDICTION;

D O I：

10.1016/j.fluid.2015.06.027

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

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.

引用

页码：32 / 41

页数：10

共 23 条

[1]

A.O.C.S, 2009, OFF METH REC PRACT A

[2]

ANTONIOSI NR, 1995, CHROMATOGRAPHIA, V40, P557, DOI 10.1007/BF02290268

[3] Identification and Quantitation of Reaction Intermediates and Residuals in Lipase-Catalyzed Transesterified Oils by HPLC [J].

Aryee, Alberta N. A. ;

Phillip, Leroy E. ;

Cue, Roger I. ;

Simpson, Benjamin K. .

APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY, 2011, 165 (01) :155-177

[4] Liquid-liquid equilibrium of pseudoternary systems containing glycerol plus ethanol plus ethylic biodiesel from crambe oil (Crambe abyssinica) at T/K = (298.2,318.2,338.2) and thermodynamic modeling [J].

Basso, Rodrigo Correa ;

de Almeida Meirelles, Antonio Jose ;

Caldas Batista, Eduardo Augusto .

FLUID PHASE EQUILIBRIA, 2012, 333 :55-62

[5] Monoglycerides in membrane systems [J].

Boyle, E ;

German, JB .

CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION, 1996, 36 (08) :785-805

[6] Production of a diacylglycerol-enriched palm olein using lipase-catalyzed partial hydrolysis: Optimization using response surface methodology [J].

Cheong, Ling-Zhi ;

Tan, Chin-Ping ;

Long, Kamariah ;

Yusoff, Mohd. Suria Affandi ;

Arifin, Norlelawati ;

Lo, Seong-Koon ;

Lai, Oi-Ming .

FOOD CHEMISTRY, 2007, 105 (04) :1614-1622

[7] Nutritional characteristics of DAG oil [J].

Flickinger, BD ;

Matsuo, N .

LIPIDS, 2003, 38 (02) :129-132

[8] A process model to estimate biodiesel production costs [J].

Haas, MJ ;

McAloon, AJ ;

Yee, WC ;

Foglia, TA .

BIORESOURCE TECHNOLOGY, 2006, 97 (04) :671-678

[9]

Hartman L, 1973, Lab Pract, V22, P475

[10] Liquid-liquid equilibrium of fatty systems: A new approach for adjusting UNIFAC interaction parameters [J].

Hirata, Glaucia F. ;

Abreu, Charlles R. A. ;

Bessa, Larissa C. B. A. ;

Ferreira, Marcela C. ;

Batista, Eduardo A. C. ;

Meirelles, Antonio J. A. .

FLUID PHASE EQUILIBRIA, 2013, 360 :379-391

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