2008
DOI: 10.1021/je800034c
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Liquid−Liquid Equilibrium for Systems Composed of Grape Seed Oil + Oleic Acid + Ethanol + Water at (283.2, 290.7, and 298.2) K

Abstract: This work presents experimental data of systems composed of grape seed oil + oleic acid + ethanol + water from (283.2 to 298.2) K. The solvent selectivity and oleic acid distribution coefficient were more affected by water content in the alcoholic solvent than by temperature. The enhancement of the water content in the solvent and the reduction of temperature within the studied ranges led to greater values of solvent selectivity. Nevertheless, greater oleic acid distribution coefficients were found as a result… Show more

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Cited by 18 publications
(26 citation statements)
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“…On the other hand, the addition of water to the solvent reduces the solvent capacity for extracting free fatty acids. These results are in accordance with previous results published by Sanaiotti et al (2008). Sanaiotti et al (2008) studied the effect of temperature and water content in the solvent on the partition coefficient of oleic acid for systems composed of grape seed oil, oleic acid, ethanol and water.…”
Section: Resultssupporting
confidence: 93%
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“…On the other hand, the addition of water to the solvent reduces the solvent capacity for extracting free fatty acids. These results are in accordance with previous results published by Sanaiotti et al (2008). Sanaiotti et al (2008) studied the effect of temperature and water content in the solvent on the partition coefficient of oleic acid for systems composed of grape seed oil, oleic acid, ethanol and water.…”
Section: Resultssupporting
confidence: 93%
“…These results are in accordance with previous results published by Sanaiotti et al (2008). Sanaiotti et al (2008) studied the effect of temperature and water content in the solvent on the partition coefficient of oleic acid for systems composed of grape seed oil, oleic acid, ethanol and water. It should be emphasized that the ranges of the temperature and water content studied were 10-25°C and 0-8.0% by mass, respectively.…”
Section: Resultssupporting
confidence: 93%
See 1 more Smart Citation
“…De maneira geral, a solubilidade mútua entre os componentes do sistema aumenta com o aumento da temperatura, independentemente da condição. Porém, nota-se que esta solubilidade mútua é menos afetada pela temperatura em sistemas contendo solventes mais hidratados (Sanaiotti et al, 2008;Cuevas et al, 2009;Chiyoda et al. 2010).…”
Section: Resultsunclassified
“…Deste modo, pode-se inferir que o emprego do processo de extração líquidolíquido aplicado à desacidificação do óleo bruto de sementes de gergelim é possível devido à grande migração de AGL para a FA, associada à baixa transferência de óleo. Novamente, resultados semelhantes foram observados nos estudos com óleo de canola, óleo de sementes de uva bruto e óleo de farelo de arroz degomado (BATISTA et al, 1999;SANAIOTTI et al, 2008;OLIVEIRA et al, 2012b). 2,4 ± 0,2 Et6 10 ± 1 IPA12 7,5 ± 0,9 80 Et0 1:3 1 2,2 ± 0,7 IPA0…”
Section: Estudo Do Equilíbrio De Fases Para Sistemas Compostos Por óLunclassified