Binary solid–liquid equilibrium systems containing fatty acids, fatty alcohols and triolein by differential scanning calorimetry

Matos, Flávio Cardoso de; Costa, Mariana C.; Meirelles, Antônio José de Almeida; Batista, Eduardo Augusto Caldas

doi:10.1016/j.fluid.2015.06.015

Cited by 19 publications

(2 citation statements)

References 32 publications

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“…Table lists the melting points ( T m ) and enthalpies of fusion (Δ fus H ) determined in this study with a sample amount of 10 mg, and reported in the literature. − The measured and literature values for T m and Δ fus H are within 1.4% and 12.9% of each other, respectively. Our Δ fus H values tend to be larger than the reported values and the reason for that is not clear: the deviations in the Δ fus H are probably due to the existence of impurities or due to the differences in the crystallinity of the samples because we measured the DSC curves of the samples without preheating them above the melting temperatures before the heating run, while some literature measured the same values for once molten and cooled samples.…”

Section: Resultsmentioning

confidence: 64%

Solid–Liquid Equilibria in the Binary Systems of Saturated Fatty Acids or Triglycerides (C12 to C18) + Hexadecane

et al. 2016

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Solid–liquid equilibria (SLE) for the binary systems of C12–C18 saturated fatty acids or their triglycerides + hexadecane (systems of dodecanoic acid (lauric acid), tetradecanoic acid (myristic acid), hexadecanoic acid (palmitic acic), octadecanoic acid (stearic acid), 1,2,3-propanetriyl tridodecanoate (trilaurin), 1,2,3-propanetriyl tritetradecanoate (trimyristin), 1,2,3-propanetriyl trihexadecanoate (tripalmitin), or 1,2,3-propanetriyltrioctadecanoate (tristearin), + hexadecane) were measured in the hexadecane fractions of 0 to 1 and temperatures from (273.2 to 353.2) K, using differential scanning calorimetry. These systems were selected as model systems for blending oily content extracted from restaurant trap grease with fossil fuel oils. The obtained liquidus curves were discussed in terms of the effects of carbon chain length, chemical form, and variation in the liquid component. In addition, the experimental liquidus curves were compared with predictions based on ideal solution approximation and on the LLE-UNIFAC and Dortmund-UNIFAC models. The triglyceride and hexadecane binary systems were close to the ideal solution, while the fatty acid–hexadecane binary systems were not. The Dortmund-UNIFAC model successfully predicted all liquidus curves of the nonideal, fatty acid–hexadecane systems.

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Section: Resultsmentioning

confidence: 64%

Solid–Liquid Equilibria in the Binary Systems of Saturated Fatty Acids or Triglycerides (C12 to C18) + Hexadecane

et al. 2016

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“…From the modeling point of view, some work has been conducted on binary mixtures in which fatty acids or fatty alcohols are mixed with triolein (de Matos et al, ) or trilaurin (de Matos et al, ) or oleic acid (Inoue et al, ).…”

Section: Introductionmentioning

confidence: 99%

The Solid–Liquid Phase Diagram of Binary Mixtures Dissolved in an Inert Oil: Application to Ternary Blends that Can Form Organogels

Schaink

2019

J Americ Oil Chem Soc

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A simple generalization of the Hildebrand equation is presented for the prediction of the solid-liquid phase diagram of a binary mixture of structuring agents dissolved in an inert liquid. The model is a thermodynamic interpolation between three well-known limits: (1) the freezing depression curve of liquid A under influence of the addition of the solvent, (2) the freezing depression curve of liquid B under influence of the addition of the solvent, and (3) the binary solid-liquid phase diagram of substances A and B. The theory is shown to be valid as long as the freezing temperature of the liquid is well below the freezing temperatures of the structurants. The theory is compared to literature data for three different mixtures: (1) stearyl alcohol and stearic acid dissolved in sunflower oil, (2) hentriacontane+melissic acid in safflower oil, and (3) lauric acid + behenic acid in canola oil. The agreement between the thermodynamic calculation and experimental data is good. The solid-liquid phase behavior of glyceryl tristearate + stearic acid in edible oil is also studied. The location of the eutectic point of the latter system is predicted to shift toward an axis with zero tristearate concentration as the structurant concentration decreases from 50% to 5% (w/w).

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Modeling of Solid-Liquid Equilibrium in Nitrobenzene and Para-Xylene Mixtures

Fontana

Ribas

Schuck

et al. 2020

Proceedings of the 5th Brazilian Technology Symposium

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Binary solid–liquid equilibrium systems containing fatty acids, fatty alcohols and triolein by differential scanning calorimetry

Cited by 19 publications

References 32 publications

Solid–Liquid Equilibria in the Binary Systems of Saturated Fatty Acids or Triglycerides (C12 to C18) + Hexadecane

Solid–Liquid Equilibria in the Binary Systems of Saturated Fatty Acids or Triglycerides (C12 to C18) + Hexadecane

The Solid–Liquid Phase Diagram of Binary Mixtures Dissolved in an Inert Oil: Application to Ternary Blends that Can Form Organogels

Modeling of Solid-Liquid Equilibrium in Nitrobenzene and Para-Xylene Mixtures

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