Thermodynamic Modeling Of Vapor-liquid Equilibrium Of Binary Systems Ionic Liquid + Supercritical {co2 Or Chf3} And Ionic Liquid + Hydrocarbons Using Peng-robinson Equation Of State

dc.creatorAlvarez V.H.
dc.creatorAznar M.
dc.date2008
dc.date2015-06-30T19:31:18Z
dc.date2015-11-26T14:45:13Z
dc.date2015-06-30T19:31:18Z
dc.date2015-11-26T14:45:13Z
dc.date.accessioned2018-03-28T21:54:24Z
dc.date.available2018-03-28T21:54:24Z
dc.identifier
dc.identifierJournal Of The Chinese Institute Of Chemical Engineers. , v. 39, n. 4, p. 353 - 360, 2008.
dc.identifier3681653
dc.identifier10.1016/j.jcice.2008.02.007
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-48849104281&partnerID=40&md5=15f4c6c0d359e98c2025415cdf23b611
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/106585
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/106585
dc.identifier2-s2.0-48849104281
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1252417
dc.descriptionVapor-liquid equilibrium (VLE) data from literature for binary systems involving several ionic liquids were correlated. The Peng-Robinson equation of state, coupled with the van der Waals and Wong-Sandler mixing rules, was used as the thermodynamic model to evaluate the fugacity coefficients. The UNIQUAC and NRTL models were used to calculate the excess Gibbs free energy in the Wong-Sandler mixing rule. A molecular modeling strategy using the software ChemOffice was used to calculate the volume and surface area parameters of ionic liquids for UNIQUAC, while the binary interaction energy parameters for UNIQUAC and NRTL models, as well as the binary interaction parameter of the van der Waals and Wong-Sandler mixing rules were estimated through a method based on the genetic algorithm. The results show that, as expected, the Wong-Sandler mixing rules represented better the data, with both activity coefficient models showing high accuracy. However, in one case, NRTL predicted an erroneous azeotropic condition, while UNIQUAC was able to correlate the data without this error. © 2008 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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dc.languageen
dc.publisher
dc.relationJournal of the Chinese Institute of Chemical Engineers
dc.rightsfechado
dc.sourceScopus
dc.titleThermodynamic Modeling Of Vapor-liquid Equilibrium Of Binary Systems Ionic Liquid + Supercritical {co2 Or Chf3} And Ionic Liquid + Hydrocarbons Using Peng-robinson Equation Of State
dc.typeArtículos de revistas


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