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Reverse shape selectivity in the adsorption of hexane and xylene isomers in MOF UiO-66

2011Journal article Open access
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dc.contributor.authorSilva, José A.C.
dc.contributor.authorRodrigues, Alírio
dc.contributor.authorBárcia, Patrick da Silva
dc.contributor.authorGuimarães, Daniela
dc.contributor.authorMendes, Patricia
dc.contributor.authorChevreau, Hubert
dc.contributor.authorSerre, Christian
dc.contributor.authorGuillerm, Vincent
dc.date.accessioned2011-12-03T15:13:39Z
dc.date.available2011-12-03T15:13:39Z
dc.date.issued2011
dc.description.abstractAn adsorption study of hexane and xylene isomers mixtures was addressed in a rigid zirconium terephthalate UiO-66 (UiO for University of Oslo) with octahedral and tetrahedral cavities of free diameter close to 1.1 nm and 0.8 nm, respectively. Multicomponent equimolar breakthrough experiments show that the adsorption hierarchy of structural isomers in UiO-66 is opposite to the one observed in conventional adsorbents. For hexane isomers, it was found that the amount adsorbed increases with the degree of branching, being 2,2-dimethylbutane (22DMB) and 2,3-dimethylbutane (23DMB) the more retained molecules. Regarding the xylene isomers, the results show that the adsorption of the bulkier ortho-xylene(oX) is favoured compared to its homologues. The structural similarity between MOF UiO-66 and zeolite MCM-22 suggests that the reverse shape selectivity observed in the adsorption of hexane and xylene isomers might be attributed to the rotational freedom of the molecules inside the small cavities.por
dc.identifier.citationSilva, José A.C.; Rodrigues, Alírio; Bárcia, Patrick da Silva; Guimarães, Daniela; Mendes, Patricia; Chevreau, Hubert; Serre, Christian; Guillerm, Vincent (2011). Reverse shape selectivity in the adsorption of hexane and xylene isomers in MOF UiO-66. Microporous and Mesoporous Materials. ISSN 1387-1811. 139:1-3, p. 67-73
dc.identifier.doi10.1016/j.micromeso.2010.10.019
dc.identifier.issn1387-1811
dc.identifier.urihttp://hdl.handle.net/10198/6370
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherElsevier
dc.subjectMOFspor
dc.subjectHexane isomerspor
dc.subjectAdsorptionpor
dc.titleReverse shape selectivity in the adsorption of hexane and xylene isomers in MOF UiO-66por
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage73por
oaire.citation.issue139por
oaire.citation.startPage67por
oaire.citation.titleMicroporous and Mesoporous Materialspor
person.familyNameSilva
person.givenNameJosé A. C.
person.identifier.ciencia-idC11B-F5CF-7C78
person.identifier.orcid0000-0003-1778-3833
person.identifier.scopus-author-id7403023684
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication16366ede-a7d6-45ff-a8c9-eff9bdde35c7
relation.isAuthorOfPublication.latestForDiscovery16366ede-a7d6-45ff-a8c9-eff9bdde35c7

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