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Artículo

Modelling of Trifluoromethane (R-23) or Hexafluoroethane (R-116) and Alkane Binary Mixtures using the Group-Contribution whith Association Equation of State

Mark D. Williams-Wynn; Sánchez, Francisco AdriánIcon ; Paramespri Naidoo; Pereda, SelvaIcon ; Deresh Ramjugernath
Fecha de publicación: 05/07/2018
Editorial: American Chemical Society
Revista: Industrial & Engineering Chemical Research
ISSN: 0888-5885
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ingeniería Química

Resumen

The Group-Contribution with Association equation of state (GCA-EOS) has been applied to represent the phase behaviour of binary systems containing either trifluoromethane (R-23) or hexafluoroethane (R-116) with alkanes. The model was successfully fitted to selected literature data, which also formed part of a study into the use of these refrigerants as supercritical fluid extraction solvents. The tuned model was tested against the available experimental data covering the homologous series of C2 to C11 alkanes with either R-23 or R-116, at temperatures of between (193 and 343) K and at pressures of up to 60 MPa. The tuned model provided accurate predictions of the phase behaviour of these systems, including the ability to identify the carbon number of the alkane in the system at which the phase equilibria transformation occurred. The comparison of the model to the experimental data was excellent, with absolute average relative deviations of between (1 and 5) % for both pressure and vapour phase compositions.
Palabras clave: GCA-EOS , HIGH PRESSURE , VLE , SUPERCRITICAL FLUIDS , FLUORINATED COMPOUNDS
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/92087
URL: https://pubs.acs.org/doi/10.1021/acs.iecr.8b01933
DOI: http://dx.doi.org/10.1021/acs.iecr.8b01933
Colecciones
Articulos(PLAPIQUI)
Articulos de PLANTA PILOTO DE INGENIERIA QUIMICA (I)
Citación
Mark D. Williams-Wynn; Sánchez, Francisco Adrián; Paramespri Naidoo; Pereda, Selva; Deresh Ramjugernath; Modelling of Trifluoromethane (R-23) or Hexafluoroethane (R-116) and Alkane Binary Mixtures using the Group-Contribution whith Association Equation of State; American Chemical Society; Industrial & Engineering Chemical Research; 57; 31; 5-7-2018; 10640-10648
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