Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/52097
DC FieldValueLanguage
dc.contributor.authorNavas, A.en_US
dc.contributor.authorOrtega, J.en_US
dc.contributor.authorde la Nuez, I.en_US
dc.contributor.otherOrtega, Juan-
dc.date.accessioned2018-11-25T17:26:54Z-
dc.date.available2018-11-25T17:26:54Z-
dc.date.issued2009en_US
dc.identifier.issn0021-9614en_US
dc.identifier.urihttp://hdl.handle.net/10553/52097-
dc.description.abstractThis work shows the experimental values obtained for HmE and VmE at the temperature of 298.15 K and atmospheric pressure, for a set of 20 binary mixtures comprised of the first four butyl esters (methanoate to butanoate) with five α,ω-dibromoalkanes (1,2-dibromoethane to 1,6-dibromohexane). The HmE are endothermic for mixtures with butyl methanoate, while for the other esters the HmE adopt a sigmoidal shape. The VmE are positive for mixtures with low molecular weight dibromoalkanes, becoming negative with contractive effects in the final mixture, as the dihalide chain increases. The results indicate that the mixtures present specific interactions, with simultaneous expansion/contraction and exothermic/endothermic effects, and an explanation is given for the different types of interaction taking place. Experimental data are correlated with a polynomial equation used in previous works with satisfactory results. Modelling of the experimental results of the mixtures is carried out on the HmE values, giving rise to an adequate definition of the different interactions taking place. Two versions of the UNIFAC method were used, and for Dang and Tassios' version different possibilities were considered for the interaction parameters of the ester (G)/dibromide (G′). The best estimations were obtained when the pair of interaction parameters, type aG / G′, depended on the number of carbon atoms in the compounds constituting the mixture. © 2009 Elsevier Ltd. All rights reserved.en_US
dc.languageengen_US
dc.publisher0021-9614-
dc.relation.ispartofJournal of Chemical Thermodynamicsen_US
dc.sourceJournal Of Chemical Thermodynamics[ISSN 0021-9614],v. 41 (11), p. 1222-1231en_US
dc.subject.otherUnifac Modelen_US
dc.subject.otherParameteren_US
dc.titleThermodynamic study of (alkyl esters + α,ω-alkyl dihalides) VI. Hm E and Vm E for 20 binary mixtures {xCu-1H2u-1CO 2(CH2)3CH3 + (1 - x)α,ω-BrCH2(CH2)v -2CH2Br} to 6en_US
dc.typeinfo:eu-repo/semantics/Articleen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.jct.2009.05.006en_US
dc.identifier.scopus69249213470-
dc.identifier.isi000270316500006-
dcterms.isPartOfJournal Of Chemical Thermodynamics-
dcterms.sourceJournal Of Chemical Thermodynamics[ISSN 0021-9614],v. 41 (11), p. 1222-1231-
dc.contributor.authorscopusid14619607000-
dc.contributor.authorscopusid7402623992-
dc.contributor.authorscopusid6506614957-
dc.description.lastpage1231en_US
dc.identifier.issue11-
dc.description.firstpage1222en_US
dc.relation.volume41en_US
dc.investigacionIngeniería y Arquitecturaen_US
dc.type2Artículoen_US
dc.identifier.wosWOS:000270316500006-
dc.contributor.daisngid4942350-
dc.contributor.daisngid170099-
dc.contributor.daisngid4413114-
dc.contributor.daisngid3978744-
dc.description.notasThe authors thank to Spanish Ministry of Education the support conceded to the research project PPQ2006-12027en_US
dc.identifier.investigatorRIDN-3335-2014-
dc.utils.revisionen_US
dc.contributor.wosstandardWOS:Navas, A-
dc.contributor.wosstandardWOS:Ortega, J-
dc.contributor.wosstandardWOS:de la Nuez, I-
dc.date.coverdateNoviembre 2009en_US
dc.identifier.ulpgcen_US
dc.contributor.buulpgcBU-INGen_US
dc.description.jcr1,966
dc.description.jcrqQ1
dc.description.scieSCIE
item.grantfulltextnone-
item.fulltextSin texto completo-
crisitem.author.deptGIR IDeTIC: División de Ingeniería Térmica e Instrumentación-
crisitem.author.deptIU para el Desarrollo Tecnológico y la Innovación-
crisitem.author.deptDepartamento de Ingeniería de Procesos-
crisitem.author.orcid0000-0002-8304-2171-
crisitem.author.parentorgIU para el Desarrollo Tecnológico y la Innovación-
crisitem.author.fullNameOrtega Saavedra, Juan-
Appears in Collections:Artículos
Show simple item record

Google ScholarTM

Check

Altmetric


Share



Export metadata



Items in accedaCRIS are protected by copyright, with all rights reserved, unless otherwise indicated.