Solubility of high-value compounds in ethyl lactate: Measurements and modeling

M.S. Manic, D. Villanueva, T. Fornari, A.J. Queimada, E.A. MacEdo, V. Najdanovic-Visak

Research output: Contribution to journalArticle

Abstract

(Solid + liquid) equilibria of binary mixtures containing high-value compounds and ethyl lactate were studied. Using the gravimetric method, the solubility of various solutes such as caffeine, vanillic acid, ferulic acid, caffeic acid and thymol in ethyl lactate was measured as a function of temperature over the range of (298.2 to 343.2) K, at atmospheric pressure. The differences in solubility of a given solute in water-saturated and dry ethyl lactate were observed. The deviation of these binary systems from ideal mixture behaviour was discussed. In order to understand the solubilization process, melting properties of pure solutes were determined by differential scanning calorimetry (DSC). The solubility data obtained were represented using UNIQUAC and UNIFAC-based models as well as with the Cubic-Plus-Association (CPA) equation of state. The results of the modeling indicate that these models are the appropriate tools for representing the solubility behaviour of various solutes in ethyl lactate.
Original languageEnglish
Pages (from-to)93-100
JournalJournal of Chemical Thermodynamics
Volume48
DOIs
Publication statusPublished - 1 May 2012

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lactates
solutes
solubility
Solubility
ferulic acid
acids
Acids
thymol
Vanillic Acid
Thymol
Caffeine
caffeine
Binary mixtures
Equations of state
binary mixtures
Atmospheric pressure
Differential scanning calorimetry
atmospheric pressure
Melting
equations of state

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Manic, M. S., Villanueva, D., Fornari, T., Queimada, A. J., MacEdo, E. A., & Najdanovic-Visak, V. (2012). Solubility of high-value compounds in ethyl lactate: Measurements and modeling. Journal of Chemical Thermodynamics, 48, 93-100. https://doi.org/10.1016/j.jct.2011.12.005
Manic, M.S. ; Villanueva, D. ; Fornari, T. ; Queimada, A.J. ; MacEdo, E.A. ; Najdanovic-Visak, V. / Solubility of high-value compounds in ethyl lactate: Measurements and modeling. In: Journal of Chemical Thermodynamics. 2012 ; Vol. 48. pp. 93-100.
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Manic, MS, Villanueva, D, Fornari, T, Queimada, AJ, MacEdo, EA & Najdanovic-Visak, V 2012, 'Solubility of high-value compounds in ethyl lactate: Measurements and modeling', Journal of Chemical Thermodynamics, vol. 48, pp. 93-100. https://doi.org/10.1016/j.jct.2011.12.005

Solubility of high-value compounds in ethyl lactate: Measurements and modeling. / Manic, M.S.; Villanueva, D.; Fornari, T.; Queimada, A.J.; MacEdo, E.A.; Najdanovic-Visak, V.

In: Journal of Chemical Thermodynamics, Vol. 48, 01.05.2012, p. 93-100.

Research output: Contribution to journalArticle

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Manic MS, Villanueva D, Fornari T, Queimada AJ, MacEdo EA, Najdanovic-Visak V. Solubility of high-value compounds in ethyl lactate: Measurements and modeling. Journal of Chemical Thermodynamics. 2012 May 1;48:93-100. https://doi.org/10.1016/j.jct.2011.12.005