Equilibrium data and GC-PC SAFT predictions for furanic extraction

Abstract : The present study concerns phase equilibria measurements involving oxygenated components (furan and furfural) and potential solvents of extraction (n-hexane, ethanol and n-octanol) using an ebulli-ometer at atmospheric pressure. New liquid-liquid equilibrium data concerning the ternary system furan þ furfural þ n-hexane are also presented. The experimental technique used for the liquid-liquid equilibrium measurements is based on the static analytic method. The two liquid phases are sampled using a syringe and analyzed using gas chromatograph. Two thermodynamic approaches are considered for the data treatment: the first considers a dissymmetric approach using the NRTL activity coefficient model, and the second considers a group contribution model based on the PC-SAFT EoS (GC-PPC SAFT). The experimentally measured data were successfully correlated with the models proposed.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-01371510
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Soumis le : lundi 26 septembre 2016 - 15:26:51
Dernière modification le : lundi 12 novembre 2018 - 11:04:42
Document(s) archivé(s) le : mardi 27 décembre 2016 - 12:36:03

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Eric Auger, Christophe Coquelet, Alain Valtz, Mqondisi Nala, Paramespri Naidoo, et al.. Equilibrium data and GC-PC SAFT predictions for furanic extraction. Fluid Phase Equilibria, Elsevier, 2016, 430, pp.57-66. ⟨10.1016/j.fluid.2016.09.019⟩. ⟨hal-01371510⟩

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