2009
DOI: 10.1021/je9002338
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Liquid−Liquid Equilibrium Data for Fatty Systems Containing Refined Rice Bran Oil, Oleic Acid, Anhydrous Ethanol, and Hexane

Abstract: The objective of this work was to determine liquid−liquid equilibrium data for fatty systems of interest in the extraction/refining process of vegetable oils and in the biodiesel production. The following systems were investigated: refined rice bran oil + anhydrous ethanol + hexane at (298.15 ± 0.2) K and (313.15 ± 0.2) K and refined rice bran oil + commercial oleic acid + anhydrous ethanol + hexane at (298.15 ± 0.2) K with mass fractions of (5.08, 7.98, 10.65, and 15.09) % of fatty acid in oil. The instrument… Show more

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Cited by 7 publications
(24 citation statements)
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“…Liquid−liquid equilibrium data for fatty systems containing ethanol and water were recently reported by Priamo et al and by Dalmolin et al These data were measured at 298.15 and 313.15 K and correlated with the NRTL equation. The average deviations (AD) reported for these systems were within the range from 0.5 to 1.6%.…”
Section: Resultsmentioning
confidence: 99%
“…Liquid−liquid equilibrium data for fatty systems containing ethanol and water were recently reported by Priamo et al and by Dalmolin et al These data were measured at 298.15 and 313.15 K and correlated with the NRTL equation. The average deviations (AD) reported for these systems were within the range from 0.5 to 1.6%.…”
Section: Resultsmentioning
confidence: 99%
“…The mutual solubility between different vegetable oils with methanol or ethanol has been reported for many researches because of its importance in the biodiesel production and they are summarized in Table . , Information available is more extensive for the systems with ethanol than for those with methanol. While methanol is the preferred alcohol short-chain, ethanol presents low toxicity and can be obtained from renewable raw materials.…”
Section: Introductionmentioning
confidence: 99%
“…Determination of solubility curves -binodal: determination of the solubility curve was performed by the cloud point method following the modified methodology used by Lanza et al (2008;), Priamo et al (2009 and Dalmolin et al (2009). The solubility curves were used to select the validation and calibration standards for the NIR method.…”
Section: Conventional Analytical Techniquesmentioning
confidence: 99%
“…Currently, the transesterification reaction on a large scale involves the use of vegetable oils and shortchain alcohols (generally, methanol or ethanol) in the presence of a homogeneous base catalyst, leading to production of glycerol and FAME/FAEE. Therefore, the knowledge of the liquid-liquid phase behavior of the compounds involved in biodiesel production is of academic and industrial relevance (Shah et al, 2011Priamo et al, 2009).…”
Section: Introductionmentioning
confidence: 99%