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Type: Artigo de periódico
Title: Phase equilibrium measurements for CO2 + priprioca extract at high pressures
Author: Moura, LS
Favareto, R
Leal, PF
Corazza, ML
Cardozo, L
Meireles, MAA
Abstract: The main objective of this work was to investigate the high pressure phase behavior of the binary system CO2 + priprioca (Cyperus articulatus L) extract. The static synthetic method using a variable-volume view cell was employed for obtaining the experimental data. Data were collected in the overall composition range of 0.101-0.995 weight fraction CO2, from 313 K to 333 K at pressures up to 30 MPa. For these systems, the experimental data revealed liquid-vapor and liquid-liquid phase transitions. Thermodynamic modeling was performed using the Peng-Robinson equation of state with the classical quadratic mixing rules; satisfactory agreement was obtained between experimental and calculated values. (C) 2008 Elsevier B.V. All rights reserved.
Subject: Phase equilibria
High pressure
Experimental data
Priprioca extract
Cyperus articulatus L
Supercritical CO2
Country: Holanda
Editor: Elsevier Science Bv
Citation: Journal Of Supercritical Fluids. Elsevier Science Bv, v. 48, n. 2, n. 126, n. 130, 2009.
Rights: fechado
Identifier DOI: 10.1016/j.supflu.2008.09.018
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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