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Mesoporous nanosilica-supported polyoxomolybdate as catalysts for sustainable desulfurization

2019-02Journal article Restricted access
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dc.contributor.authorMirante, Fátima
dc.contributor.authorGomes, Neide
dc.contributor.authorBranco, Luis
dc.contributor.authorCunha-Silva, Luís
dc.contributor.authorAlmeida, Pedro L.
dc.contributor.authorPillinger, Martyn
dc.contributor.authorGago, S.
dc.contributor.authorGranadeiro, Carlos
dc.contributor.authorBalula, Salete
dc.date.accessioned2019-01-11T10:22:54Z
dc.date.available2019-01-11T10:22:54Z
dc.date.issued2019-02
dc.description.abstractMesoporous silica nanoparticles (MSNs) strategically functionalized were used to immobilize a homogeneous polyoxomolybdate catalyst [PMo12O40](3-) (PMo12), active but unstable. The PMo12@TBA-MSN composite (where TBA refers to surface-tethered tributylammonium groups) conferred high stability to the polyoxomolybdate catalytic center and displayed an increase in efficiency for the oxidative desulfurization (ECODS) of a diesel simulant under sustainable conditions (using H2O2 as oxidant and an ionic liquid, [BMIM]PF6, as solvent). Continuous reuse of the catalyst and ionic liquid solvent in consecutive ECODS cycles was successfully performed, avoiding the production of residual wastes. The performance of the PMo12@TBA-MSN catalyst improved upon its reuse, leading to complete desulfurization of a multicomponent model diesel containing benzothiophene derivatives after just 1 h of the catalytic stage of the process. The robust nature of the supported catalyst was indicated by characterization of the recovered solid which showed retention of the structural and chemical integrities.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMIRANTE, Fátima; [et al] – Mesoporous nanosilica-supported polyoxomolybdate as catalysts for sustainable desulfurization. Microporous and Mesoporous Materials. ISSN 1387-1811. Vol. 275 (2019), pp. 163-171pt_PT
dc.identifier.doi10.1016/j.micromeso.2018.07.036pt_PT
dc.identifier.issn1387-1811
dc.identifier.issn1873-3093
dc.identifier.urihttp://hdl.handle.net/10400.21/9308
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationPOCI-01-0145-FEDER-007265 - FCTpt_PT
dc.relationPOCI-01-0145-FEDER-007679 - FCTpt_PT
dc.relationSFRH/BPD/111899/2015 - FCT - MCTESpt_PT
dc.relationSFRH/BPD/109253/2015 - FCT - MCTESpt_PT
dc.relationSFRH/BPD/111899/2015 - European Union - MCTESpt_PT
dc.relationSFRH/BPD/109253/2015 - European Union - MCTESpt_PT
dc.relation.publisherversionhttps://reader.elsevier.com/reader/sd/pii/S1387181118304116?token=A3BD2C533B6352365092D9BAD307BDE83A7BFE0B750AD66C1729C9C80D7B00D3C7AE86E77E8AF977FA527BDB91A9504Fpt_PT
dc.subjectMesoporous silica nanoparticlespt_PT
dc.subjectPolyoxomolybdatept_PT
dc.subjectHeterogeneous catalysispt_PT
dc.subjectOxidative desulfurizationpt_PT
dc.subjectFuelspt_PT
dc.subjectCatálise heterogêneapt_PT
dc.subjectCombustíveispt_PT
dc.titleMesoporous nanosilica-supported polyoxomolybdate as catalysts for sustainable desulfurizationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FQUI%2F50006%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FCTM%2F50011%2F2013/PT
oaire.citation.endPage171pt_PT
oaire.citation.startPage163pt_PT
oaire.citation.titleMicroporous and Mesoporous Materialspt_PT
oaire.citation.volume275pt_PT
oaire.fundingStream5876
oaire.fundingStream5876
person.familyNameMirante
person.familyNameBranco
person.familyNameCunha-Silva
person.familyNameMarques de Almeida
person.familyNamePillinger
person.familyNameGago
person.familyNameGranadeiro
person.familyNameBalula
person.givenNameFátima
person.givenNameLuis
person.givenNameLuís
person.givenNamePedro
person.givenNameMartyn
person.givenNameSandra
person.givenNameCarlos
person.givenNameSalete
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person.identifier.orcid0000-0002-0986-6607
person.identifier.orcid0000-0002-8984-0473
person.identifier.ridC-6426-2013
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project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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