LLE, VLE and dynamic viscosity for the furfural + nonane mixture at low pressure: Measurements and modeling

Juan D. Henao, Jorge A. Velásquez, Jorge H. Sánchez, Luis F. Cardona, Luis A. Forero

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Resumen

This work reports new experimental data for the furfural + nonane mixture for the temperature range between 303.25 K and 441.55 K at low pressure. Vapor-liquid equilibria (VLE), liquid–liquid equilibria (LLE), and dynamic viscosity (µ) are reported and modeled under isobaric condition. Experimental data measurement is done using the same validated equipment applied in authors previous work. The expanded uncertainties for boiling temperature, viscosity- temperature, liquid–liquid temperature and dynamic viscosity are around 0.21 K, 0.12 K, 0.42 K and 0.0881 mPa∙s (0.95 level of confidence). After data is collected, phase equilibria are modeled using a modified Peng-Robinson equation of state coupled with the Huron Vidal and NRTL mixing rules. Also, dynamic viscosity is modeled using a generalized logistic function type in order to describe all the composition domains. The average absolute relative deviation using the models LLE, VLE, and viscosity is around of 0.01 %, 2.39 %, and 2.93 %. The results indicate that the new data can be modeled using the selected models.

Idioma originalInglés
Número de artículo107025
PublicaciónJournal of Chemical Thermodynamics
Volumen181
DOI
EstadoPublicada - jun. 2023

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