{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,13]],"date-time":"2026-02-13T06:06:41Z","timestamp":1770962801955,"version":"3.50.1"},"reference-count":33,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2015,1,14]],"date-time":"2015-01-14T00:00:00Z","timestamp":1421193600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e Tecnologia","award":["SFRH\/BD\/36618\/2007"],"award-info":[{"award-number":["SFRH\/BD\/36618\/2007"]}]},{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e Tecnologia","award":["SFRH\/BPD\/64975\/2009"],"award-info":[{"award-number":["SFRH\/BPD\/64975\/2009"]}]},{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e Tecnologia","award":["PEst-C\/EQB\/LA0006\/2011"],"award-info":[{"award-number":["PEst-C\/EQB\/LA0006\/2011"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Membranes"],"abstract":"<jats:p>In this work, a supported ionic liquid membrane (SILM) was prepared by impregnating a PVDF membrane with 1-butyl-3-methylimidazolium dicyanamide ([BMIM][DCA]) ionic liquid. This membrane was tested for its permeability to pure gases (CO2, N2 and O2) and ideal selectivities were calculated. The SILM performance was also compared to that of Ion-Jelly\u00ae membranes, a new type of gelled membranes developed recently. It was found that the PVDF membrane presents permeabilities for pure gases similar or lower to those presented by the Ion-Jelly\u00ae membranes, but with increased ideal selectivities. This membrane presents also the highest ideal selectivity (73) for the separation of CO2 from N2 when compared with SILMs using the same PVDF support but with different ionic liquids.<\/jats:p>","DOI":"10.3390\/membranes5010013","type":"journal-article","created":{"date-parts":[[2015,1,14]],"date-time":"2015-01-14T10:33:15Z","timestamp":1421231595000},"page":"13-21","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["Supported Ionic Liquid Membranes and Ion-Jelly\u00ae Membranes with [BMIM][DCA]: Comparison of Its Performance for  CO2 Separation"],"prefix":"10.3390","volume":"5","author":[{"given":"Ricardo","family":"Couto","sequence":"first","affiliation":[{"name":"REQUIMTE, Departamento de Qu\u00edmica, Faculdade de Ci\u00eancias e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal"}]},{"given":"Lu\u00edsa","family":"Neves","sequence":"additional","affiliation":[{"name":"REQUIMTE, Departamento de Qu\u00edmica, Faculdade de Ci\u00eancias e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal"}]},{"given":"Pedro","family":"Sim\u00f5es","sequence":"additional","affiliation":[{"name":"REQUIMTE, Departamento de Qu\u00edmica, Faculdade de Ci\u00eancias e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7032-3436","authenticated-orcid":false,"given":"Isabel","family":"Coelhoso","sequence":"additional","affiliation":[{"name":"REQUIMTE, Departamento de Qu\u00edmica, Faculdade de Ci\u00eancias e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2015,1,14]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2739","DOI":"10.1021\/ie8016237","article-title":"Guide to CO2 separations in imidazolium-based room-temperature ionic liquids","volume":"48","author":"Bara","year":"2009","journal-title":"Ind. Eng. Chem. Res."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"242","DOI":"10.1016\/j.cej.2011.03.041","article-title":"Ionic liquids in supported liquid membrane technology","volume":"171","author":"Malik","year":"2011","journal-title":"Chem. Eng. J."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.memsci.2011.03.036","article-title":"Recent advances in supported ionic liquid membrane technology","volume":"376","author":"Lozano","year":"2011","journal-title":"J. Membr. Sci."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"160","DOI":"10.1016\/j.memsci.2010.04.016","article-title":"Gas permeation studies in supported ionic liquid membranes","volume":"357","author":"Neves","year":"2010","journal-title":"J. Membr. Sci."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"4638","DOI":"10.1021\/ie8019032","article-title":"Membrane gas separation: A review\/state of the art","volume":"48","author":"Bernardo","year":"2009","journal-title":"Ind. Eng. Chem. Res."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"57","DOI":"10.1016\/j.memsci.2004.02.033","article-title":"Gas separations using non-hexafluorophosphate [PF6]\u2212 anion supported ionic liquid membranes","volume":"238","author":"Scovazzo","year":"2004","journal-title":"J. Membr. Sci."},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"525","DOI":"10.1081\/SS-200042513","article-title":"Examination of the potential of ionic liquids for gas separations","volume":"40","author":"Baltus","year":"2005","journal-title":"Sep. Sci. Technol."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"485","DOI":"10.1016\/j.desal.2009.02.012","article-title":"Facilitated transport of CO2 and SO2 through Supported Ionic Liquid Membranes (SILMs)","volume":"245","author":"Luis","year":"2009","journal-title":"Desalination"},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"4815","DOI":"10.1021\/ie048825v","article-title":"Diffusivities of gases in room-temperature ionic liquids:\u2009 Data and correlations obtained using a lag-time technique","volume":"44","author":"Morgan","year":"2005","journal-title":"Ind. Eng. Chem. Res."},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"311","DOI":"10.1016\/j.desal.2007.10.095","article-title":"Separation of biohydrogen by supported ionic liquid membranes","volume":"240","author":"Neves","year":"2009","journal-title":"Desalination"},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"277","DOI":"10.1016\/j.memsci.2013.10.024","article-title":"Acetate based Supported Ionic Liquid Membranes (SILMs) for CO2 separation: Influence of the temperature","volume":"452","author":"Santos","year":"2014","journal-title":"J. Membr. Sci."},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"15131","DOI":"10.1021\/jp409414t","article-title":"Separation of carbon dioxide from nitrogen or methane by Supported Ionic Liquid Membranes (SILMs): Influence of the cation charge of the ionic liquid","volume":"117","author":"Hojniak","year":"2013","journal-title":"J. Phys. Chem. B"},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"11813","DOI":"10.1039\/c2ra22342b","article-title":"High CO2 solubility, permeability and selectivity in ionic liquids with the tetracyanoborate anion","volume":"2","author":"Mahurin","year":"2012","journal-title":"RSC Advances"},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"10403","DOI":"10.1039\/c3ta12174g","article-title":"Polymeric ionic liquids with mixtures of counter-anions: A new straightforward strategy for designing pyrrolidinium-based CO2 separation membranes","volume":"1","author":"Aboudzadeh","year":"2013","journal-title":"J. Mater. Chem. A"},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"8166","DOI":"10.1021\/ie070501u","article-title":"Experimental measurement of the solubility and diffusivity of CO2 in room-temperature ionic liquids using a transient thin-liquid-film method","volume":"46","author":"Hou","year":"2007","journal-title":"Ind. Eng. Chem. Res."},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"51","DOI":"10.1016\/j.cej.2008.11.015","article-title":"Gas permeabilities, solubilities, diffusivities, and diffusivity correlations for ammonium-based room temperature ionic liquids with comparison to imidazolium and phosphonium RTIL data","volume":"147","author":"Condemarin","year":"2009","journal-title":"Chem. Eng. J."},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"6","DOI":"10.1016\/j.memsci.2009.10.044","article-title":"Gas separation properties of supported liquid membranes prepared with unconventional ionic liquids","volume":"349","year":"2010","journal-title":"J. Membr. Sci."},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"1369","DOI":"10.1021\/ie0610905","article-title":"Solubility, diffusivity, and permeability of gases in phosphonium-based room temperature ionic liquids:\u2009 Data and correlations","volume":"46","author":"Ferguson","year":"2007","journal-title":"Ind. Eng. Chem. Res."},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"110","DOI":"10.1002\/cssc.201300613","article-title":"Cholinium-based Supported Ionic Liquid Membranes: A sustainable route for carbon dioxide separation","volume":"7","author":"Patinha","year":"2014","journal-title":"ChemSusChem"},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"3027","DOI":"10.1021\/cm900726p","article-title":"Physically gelled ionic liquids: Solid membrane materials with liquid like CO2 gas transport","volume":"21","author":"Voss","year":"2009","journal-title":"Chem. Mater."},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"237","DOI":"10.1016\/j.cej.2011.05.096","article-title":"CO2 separation membranes using ion gels by self-assembly of a triblock copolymer in ionic liquids","volume":"172","author":"Yoon","year":"2011","journal-title":"Chem. Eng. J."},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"39","DOI":"10.1021\/ma102438k","article-title":"High ionic liquid content polymeric gel membranes: Preparation and performance","volume":"44","author":"Jansen","year":"2011","journal-title":"Macromolecules"},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"22","DOI":"10.1016\/j.seppur.2012.12.026","article-title":"Development of Ion-Jelly\u00ae membranes","volume":"106","author":"Couto","year":"2013","journal-title":"Sep. Purif. Technol."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"5842","DOI":"10.1039\/b811647d","article-title":"Ion jelly: A tailor-made conducting material for smart electrochemical devices","volume":"44","author":"Vidinha","year":"2008","journal-title":"Chem. Commun."},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"161","DOI":"10.1016\/j.matlet.2012.04.146","article-title":"Electrospinning of Ion Jelly fibers","volume":"83","author":"Pimenta","year":"2012","journal-title":"Mater. Lett."},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"696","DOI":"10.1039\/C3TC31496K","article-title":"Ion Jelly: A novel sensing material for gas sensors and electronic noses","volume":"2","author":"Carvalho","year":"2014","journal-title":"J. Mater. Chem. C"},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"9445","DOI":"10.1021\/jp502870q","article-title":"Ion Jelly conductive properties using dicyanamide-based ionic liquids","volume":"118","author":"Carvalho","year":"2014","journal-title":"J. Phys. Chem. B"},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"101","DOI":"10.1016\/j.solmat.2014.08.037","article-title":"All solid-state electrochromic device consisting of a water soluble viologen dissolved in gelatin-based ionogel","volume":"132","author":"Benedetti","year":"2015","journal-title":"Solar Energy Mater. Solar Cells"},{"key":"ref_29","doi-asserted-by":"crossref","first-page":"10484","DOI":"10.1021\/ie303426q","article-title":"Solubilities of CO2 and helium in an ionic liquid containing poly (amidoamine) dendrimer Gen 0","volume":"52","author":"Chau","year":"2013","journal-title":"Ind. Eng. Chem. Res."},{"key":"ref_30","doi-asserted-by":"crossref","first-page":"6366","DOI":"10.1021\/jp046404l","article-title":"Anion effects on gas solubility in ionic liquids","volume":"109","author":"Anthony","year":"2005","journal-title":"J. Phys. Chem. B"},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"311","DOI":"10.1016\/j.jct.2010.09.015","article-title":"Effects of temperature and anion species on CO2 permeability and CO2\/N2 separation coefficient through ionic liquid membranes","volume":"43","author":"Jindaratsamee","year":"2011","journal-title":"J. Chem. Thermodyn."},{"key":"ref_32","doi-asserted-by":"crossref","first-page":"2803","DOI":"10.1021\/je800710p","article-title":"Density, viscosity, and surface tension of synthesis grade imidazolium, pyridinium, and pyrrolidinium based room temperature ionic liquids","volume":"54","author":"Espel","year":"2009","journal-title":"J. Chem. Eng. Data"},{"key":"ref_33","unstructured":"Cussler, E.L. (1997). Diffusion, Cambridge University Press. [2nd ed.]."}],"container-title":["Membranes"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2077-0375\/5\/1\/13\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T20:41:38Z","timestamp":1760215298000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2077-0375\/5\/1\/13"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015,1,14]]},"references-count":33,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2015,3]]}},"alternative-id":["membranes5010013"],"URL":"https:\/\/doi.org\/10.3390\/membranes5010013","relation":{},"ISSN":["2077-0375"],"issn-type":[{"value":"2077-0375","type":"electronic"}],"subject":[],"published":{"date-parts":[[2015,1,14]]}}}