Publicação
Measurements of activity coefficients at infinite dilution of organic solutes and water on polar imidazolium-based ionic liquids
| Resumo: | The activity coefficients at infinite dilution, gamma(infinity)(13), of 55 organic solutes and water in three ionic liquids with the common cation 1-butyl-3-methylimidazolium and the polar anions Cl--,Cl- [CH3SO3](-) and [(CH3)(2)PO4](-), were determined by (gas + liquid) chromatography at four temperatures in the range (358.15 to 388.15) K for alcohols and water, and T = (398.15 to 428.15) K for the other organic solutes including alkanes, cycloalkanes, alkenes, cycloalkenes, alkynes, ketones, ethers, cyclic ethers, aromatic hydrocarbons, esters, butyraldehyde, acetonitrile, pyridine, 1-nitropropane and thiophene. From the experimental gamma(infinity)(13) values, the partial molar excess Gibbs free energy, (G) over bar (E infinity)(m), enthalpy (H) over bar (E infinity)(m), and entropy (S) over bar (E infinity)(m), at infinite dilution, were estimated in order to provide more information about the interactions between the solutes and the ILs. Moreover, densities were measured and (gas + liquid) partition coefficients (KL) calculated. Selectivities at infinite dilution for some separation problems such as octane/benzene, cyclohexane/benzene and cyclohexane/thiophene were calculated using the measured gamma(infinity)(13), and compared with literature values for N-methyl-2-pyrrolidinone (NMP), sulfolane, and other ionic liquids with a common cation or anion of the ILs here studied. From the obtained infinite dilution selectivities and capacities, it can be concluded that the ILs studied may replace conventional entrainers applied for the separation processes of aliphatic/aromatic hydrocarbons. |
|---|---|
| Autores principais: | Martins, Mónia A.R. |
| Outros Autores: | Coutinho, João A.P.; Pinho, Simão; Domańska, Urszula |
| Assunto: | Ionic liquids Organic solutes (Gas-liquid) partition coefficients Selectivity Infinite dilution activity coefficients Chromatography |
| Ano: | 2015 |
| País: | Portugal |
| Tipo de documento: | artigo |
| Tipo de acesso: | acesso restrito |
| Instituição associada: | Instituto Politécnico de Bragança |
| Idioma: | inglês |
| Origem: | Biblioteca Digital do IPB |
| _version_ | 1867172705296449536 |
|---|---|
| author | Martins, Mónia A.R. |
| author2 | Coutinho, João A.P. Pinho, Simão Domańska, Urszula |
| author2_role | author author author |
| author_facet | Martins, Mónia A.R. Coutinho, João A.P. Pinho, Simão Domańska, Urszula |
| author_role | author |
| contributor_name_str_mv | Biblioteca Digital do IPB |
| country_str | PT |
| creators_json_txt | [{\"Person.name\":\"Martins, Mónia A.R.\"},{\"Person.name\":\"Coutinho, João A.P.\"},{\"Person.name\":\"Pinho, Simão\",\"Person.identifier.orcid\":\"0000-0002-9211-857X\"},{\"Person.name\":\"Domańska, Urszula\"}] |
| datacite.contributors.contributor.contributorName.fl_str_mv | Biblioteca Digital do IPB |
| datacite.creators.creator.creatorName.fl_str_mv | Martins, Mónia A.R. Coutinho, João A.P. Pinho, Simão Domańska, Urszula |
| datacite.date.Accepted.fl_str_mv | 2015-01-01T00:00:00Z |
| datacite.date.available.fl_str_mv | 2016-10-10T15:30:14Z |
| datacite.date.embargoed.fl_str_mv | 2016-10-10T15:30:14Z |
| datacite.rights.fl_str_mv | http://purl.org/coar/access_right/c_16ec |
| datacite.subjects.subject.fl_str_mv | Ionic liquids Organic solutes (Gas-liquid) partition coefficients Selectivity Infinite dilution activity coefficients Chromatography |
| datacite.titles.title.fl_str_mv | Measurements of activity coefficients at infinite dilution of organic solutes and water on polar imidazolium-based ionic liquids |
| dc.contributor.none.fl_str_mv | Biblioteca Digital do IPB |
| dc.creator.none.fl_str_mv | Martins, Mónia A.R. Coutinho, João A.P. Pinho, Simão Domańska, Urszula |
| dc.date.Accepted.fl_str_mv | 2015-01-01T00:00:00Z |
| dc.date.available.fl_str_mv | 2016-10-10T15:30:14Z |
| dc.date.embargoed.fl_str_mv | 2016-10-10T15:30:14Z |
| dc.format.none.fl_str_mv | application/pdf |
| dc.identifier.none.fl_str_mv | http://hdl.handle.net/10198/13381 |
| dc.language.none.fl_str_mv | eng |
| dc.rights.cclincense.fl_str_mv | http://creativecommons.org/licenses/by/4.0/ |
| dc.rights.none.fl_str_mv | http://purl.org/coar/access_right/c_16ec |
| dc.subject.none.fl_str_mv | Ionic liquids Organic solutes (Gas-liquid) partition coefficients Selectivity Infinite dilution activity coefficients Chromatography |
| dc.title.fl_str_mv | Measurements of activity coefficients at infinite dilution of organic solutes and water on polar imidazolium-based ionic liquids |
| dc.type.none.fl_str_mv | http://purl.org/coar/resource_type/c_6501 |
| description | The activity coefficients at infinite dilution, gamma(infinity)(13), of 55 organic solutes and water in three ionic liquids with the common cation 1-butyl-3-methylimidazolium and the polar anions Cl--,Cl- [CH3SO3](-) and [(CH3)(2)PO4](-), were determined by (gas + liquid) chromatography at four temperatures in the range (358.15 to 388.15) K for alcohols and water, and T = (398.15 to 428.15) K for the other organic solutes including alkanes, cycloalkanes, alkenes, cycloalkenes, alkynes, ketones, ethers, cyclic ethers, aromatic hydrocarbons, esters, butyraldehyde, acetonitrile, pyridine, 1-nitropropane and thiophene. From the experimental gamma(infinity)(13) values, the partial molar excess Gibbs free energy, (G) over bar (E infinity)(m), enthalpy (H) over bar (E infinity)(m), and entropy (S) over bar (E infinity)(m), at infinite dilution, were estimated in order to provide more information about the interactions between the solutes and the ILs. Moreover, densities were measured and (gas + liquid) partition coefficients (KL) calculated. Selectivities at infinite dilution for some separation problems such as octane/benzene, cyclohexane/benzene and cyclohexane/thiophene were calculated using the measured gamma(infinity)(13), and compared with literature values for N-methyl-2-pyrrolidinone (NMP), sulfolane, and other ionic liquids with a common cation or anion of the ILs here studied. From the obtained infinite dilution selectivities and capacities, it can be concluded that the ILs studied may replace conventional entrainers applied for the separation processes of aliphatic/aromatic hydrocarbons. |
| dirty | 0 |
| eu_rights_str_mv | restrictedAccess |
| format | article |
| fulltext.url.fl_str_mv | https://bibliotecadigital.ipb.pt/bitstreams/6cd87814-4242-4962-8821-9153454425e4/download |
| funding.funder.alternateName_str_mv | FCT |
| funding.funder.identifier_str_mv | http://doi.org/10.13039/501100001871 |
| funding.funder.name_str_mv | Fundação para a Ciência e a Tecnologia |
| id | ipb_9f2133ea7c8df68cdbcf35666317fdb2 |
| identifier.url.fl_str_mv | http://hdl.handle.net/10198/13381 |
| instacron_str | ipb |
| institution | Instituto Politécnico de Bragança |
| instname_str | Instituto Politécnico de Bragança |
| language | eng |
| network_acronym_str | ipb |
| network_name_str | Biblioteca Digital do IPB |
| oai_identifier_str | oai:bibliotecadigital.ipb.pt:10198/13381 |
| organization_str_mv | urn:organizationAcronym:ipb |
| person_str_mv | Martins, Mónia A.R. Coutinho, João A.P. Pinho, Simão Pinho, Simão https://www.ciencia-id.pt/481D-73AD-8D0F 481D-73AD-8D0F http://orcid.org/0000-0002-9211-857X 0000-0002-9211-857X Domańska, Urszula |
| publishDate | 2015 |
| reponame_str | Biblioteca Digital do IPB |
| repository_id_str | urn:repositoryAcronym:ipb |
| service_str_mv | urn:repositoryAcronym:ipb |
| spelling | engpt_PTThe activity coefficients at infinite dilution, gamma(infinity)(13), of 55 organic solutes and water in three ionic liquids with the common cation 1-butyl-3-methylimidazolium and the polar anions Cl--,Cl- [CH3SO3](-) and [(CH3)(2)PO4](-), were determined by (gas + liquid) chromatography at four temperatures in the range (358.15 to 388.15) K for alcohols and water, and T = (398.15 to 428.15) K for the other organic solutes including alkanes, cycloalkanes, alkenes, cycloalkenes, alkynes, ketones, ethers, cyclic ethers, aromatic hydrocarbons, esters, butyraldehyde, acetonitrile, pyridine, 1-nitropropane and thiophene. From the experimental gamma(infinity)(13) values, the partial molar excess Gibbs free energy, (G) over bar (E infinity)(m), enthalpy (H) over bar (E infinity)(m), and entropy (S) over bar (E infinity)(m), at infinite dilution, were estimated in order to provide more information about the interactions between the solutes and the ILs. Moreover, densities were measured and (gas + liquid) partition coefficients (KL) calculated. Selectivities at infinite dilution for some separation problems such as octane/benzene, cyclohexane/benzene and cyclohexane/thiophene were calculated using the measured gamma(infinity)(13), and compared with literature values for N-methyl-2-pyrrolidinone (NMP), sulfolane, and other ionic liquids with a common cation or anion of the ILs here studied. From the obtained infinite dilution selectivities and capacities, it can be concluded that the ILs studied may replace conventional entrainers applied for the separation processes of aliphatic/aromatic hydrocarbons.application/pdfpt_PTMeasurements of activity coefficients at infinite dilution of organic solutes and water on polar imidazolium-based ionic liquidsMartins, Mónia A.R.Coutinho, João A.P.PersonalPinho, SimãoDSpacehttp://dspace.org/items/8ef7789a-34f3-4915-a666-4efe26272a30DSpacehttp://dspace.org/items/8ef7789a-34f3-4915-a666-4efe26272a30PinhoSimãoCiência IDhttps://www.ciencia-id.pt481D-73AD-8D0FORCIDhttp://orcid.org0000-0002-9211-857XResearcher IDhttps://www.researcherid.comD-4148-2013Scopus Author IDhttps://www.scopus.com7003570175Domańska, UrszulaHostingInstitutionOrganizationalBiblioteca Digital do IPBe-mailmailto:dspace@ipb.ptdspace@ipb.ptISSNIsPartOf0021-9614DOIIsPartOf10.1016/j.jct.2015.07.0422016-10-10T15:30:14Z20152015-01-01T00:00:00ZHandlehttp://hdl.handle.net/10198/13381http://purl.org/coar/access_right/c_16ecrestricted accessIonic liquidsOrganic solutes(Gas-liquid) partition coefficientsSelectivityInfinite dilution activity coefficientsChromatography2728832 bytesFundação para a Ciência e a TecnologiaPARÂMETROS QUÍMICO-FÍSICOS DE TERPENOS E TERPENOIDES PARA APLICAÇÃO EM ESTUDOS DE IMPACTO AMBIENTALCrossref Funder IDhttp://doi.org/10.13039/501100001871literaturehttp://purl.org/coar/resource_type/c_6501journal article2015http://creativecommons.org/licenses/by/4.0/http://purl.org/coar/access_right/c_16ecapplication/pdffulltexthttps://bibliotecadigital.ipb.pt/bitstreams/6cd87814-4242-4962-8821-9153454425e4/downloadJournal of Chemical Thermodynamics91194203 |
| spellingShingle | Measurements of activity coefficients at infinite dilution of organic solutes and water on polar imidazolium-based ionic liquids Martins, Mónia A.R. Ionic liquids Organic solutes (Gas-liquid) partition coefficients Selectivity Infinite dilution activity coefficients Chromatography |
| status | SINGLETON |
| subject.fl_str_mv | Ionic liquids Organic solutes (Gas-liquid) partition coefficients Selectivity Infinite dilution activity coefficients Chromatography |
| title | Measurements of activity coefficients at infinite dilution of organic solutes and water on polar imidazolium-based ionic liquids |
| title_full | Measurements of activity coefficients at infinite dilution of organic solutes and water on polar imidazolium-based ionic liquids |
| title_fullStr | Measurements of activity coefficients at infinite dilution of organic solutes and water on polar imidazolium-based ionic liquids |
| title_full_unstemmed | Measurements of activity coefficients at infinite dilution of organic solutes and water on polar imidazolium-based ionic liquids |
| title_short | Measurements of activity coefficients at infinite dilution of organic solutes and water on polar imidazolium-based ionic liquids |
| title_sort | Measurements of activity coefficients at infinite dilution of organic solutes and water on polar imidazolium-based ionic liquids |
| topic | Ionic liquids Organic solutes (Gas-liquid) partition coefficients Selectivity Infinite dilution activity coefficients Chromatography |
| topic_facet | Ionic liquids Organic solutes (Gas-liquid) partition coefficients Selectivity Infinite dilution activity coefficients Chromatography |
| url | http://hdl.handle.net/10198/13381 |
| visible | 1 |