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Type: Artigo de periódico
Title: Measurements and thermodynamic modeling of the solubility of squalene in supercritical carbon dioxide
Author: Martinez-Correa, HA
Gomes, DCA
Kanehisa, SL
Cabral, FA
Abstract: The solubility of squalene in supercritical carbon dioxide (SC-CO2) was measured and it was analyzed together with the values obtained by Catchpole and von Kamp (1997). The results showed that the experimental values obtained in this work agreed with the order of magnitude of those reported in the literature and correlated well with the Chrastil equation. The thermodynamic modeling using the Peng-Robinson equation of state only correlated well with the experimental values obtained when the critical properties and acentric factor reported by Ruivo et al. (2004) were used. The values predicted for the solubility of squalene in SC-CO2 using modeling employing the GC-EOS, were only of the same order of magnitude as the experimental values for pressures below 200 bar, and its performance was influenced by the value of the critical hard sphere diameter. (C) 2009 Elsevier Ltd. All rights reserved.
Subject: Squalene
Phase equilibrium
Supercritical carbon dioxide
Country: Inglaterra
Editor: Elsevier Sci Ltd
Rights: fechado
Identifier DOI: 10.1016/j.jfoodeng.2009.06.041
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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