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Modeling of CO2 vapor-liquid equilibrium in Colombian heavy oil using SARA analysis

Ramirez, Oscar and Betancur Gómez, Carolina and Hoyos, Bibian and Naranjo, Carlos (2015) Modeling of CO2 vapor-liquid equilibrium in Colombian heavy oil using SARA analysis. DYNA, 82 (191). pp. 103-108. ISSN 2346-2183

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Resumen

The solubility of CO2 in Colombian heavy oil was calculated using the Peng-Robinson cubic equation of state and the Lee-Kesler correlations. The crude was represented as a mixture of pseudo-components and for each one of them, the thermodynamic and critical properties were estimated. The results obtained in representing the oil with four, five and six pseudo-components show that all these representations produce similar results and therefore the use of four pseudo-components is sufficient and has a lower computational cost. Excellent results were obtained by comparing the experimental and calculated data. For this system, it is enough to have a complete characterization of the SARA analysis and to use four pseudo-components to adequately model the vapor-liquid equilibrium of CO2 -heavy oil.

Tipo de documento:Artículo - Article
Palabras clave:Equation of state, pseudo-component, SARA analysis, crude, solvent, phase equilibrium.
Temática:6 Tecnología (ciencias aplicadas) / Technology > 62 Ingeniería y operaciones afines / Engineering
Unidad administrativa:Revistas electrónicas UN > Dyna
Código ID:59030
Enviado por : Dirección Nacional de Bibliotecas STECNICO
Enviado el día :31 Oct 2017 17:20
Ultima modificación:27 Noviembre 2017 22:06
Ultima modificación:27 Noviembre 2017 22:06
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