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Improved activity and stability of Ce-promoted Ni/γ-A1 2O3 catalysts for carbon dioxide reforming of methane

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dc.contributor.authorValentini, A.
dc.contributor.authorCarreño, N. L. V.
dc.contributor.authorLeite, E. R.
dc.contributor.authorGonçalves, R. F.
dc.contributor.authorSoledade, L. E. B.
dc.contributor.authorManiette, Y.
dc.contributor.authorLongo, Elson [UNESP]
dc.contributor.authorProbst, L. F. D.
dc.contributor.institutionUniversidade Federal de Santa Catarina (UFSC)
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:21:07Z
dc.date.available2014-05-27T11:21:07Z
dc.date.issued2004-07-01
dc.description.abstractThe CO2 reforming of CH4 was carried out over Ni catalysts supported on γ-Al2O3 and CeO 2-promoted γ-Al2O3. The catalysts were characterized by means of surface area measurements, TPR, CO2 and H2 chemisorption, XRD, SEM, and TEM. The CeO2 addition promoted an increase of catalytic activity and stability. The improvement in the resistance to carbon deposition is attributed to the highest CO2 adsorption presented by the CeO2 addition. The catalytic behavior presented by the samples, with a different CH4/CO2 ratio used, points to the CH4 decomposition reaction as the main source of carbon deposition.en
dc.description.affiliationDto de Química Univ. Federal de Santa Catarina, CP 476, 88040-900 Florianópolis, SC
dc.description.affiliationCtro. Multidisciplinar de D. Dto de Química Univ. Federal de São Carlos, CP 676, 13560-905 São Carlos, SP
dc.description.affiliationInstituto de Química Univ. Estadual de São Paulo, CP 355, 14801-970 Araraquara, SP
dc.format.extent165-172
dc.identifierhttp://www.scielo.org.ar/scielo.php?pid=S0327-07932004000300005&script=sci_arttext
dc.identifier.citationLatin American Applied Research, v. 34, n. 3, p. 165-172, 2004.
dc.identifier.file2-s2.0-3142734563.pdf
dc.identifier.issn0327-0793
dc.identifier.scieloS0327-07932004000300005
dc.identifier.scopus2-s2.0-3142734563
dc.identifier.urihttp://hdl.handle.net/11449/67800
dc.language.isoeng
dc.relation.ispartofLatin American Applied Research
dc.relation.ispartofjcr0.145
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectCarbon formation
dc.subjectCeO2
dc.subjectDry reforming
dc.subjectMethane
dc.subjectSyngas
dc.subjectAlumina
dc.subjectCarbon dioxide
dc.subjectCerium
dc.subjectChemisorption
dc.subjectDeposition
dc.subjectNickel
dc.subjectReforming reactions
dc.subjectScanning electron microscopy
dc.subjectTemperature programmed desorption
dc.subjectTransmission electron microscopy
dc.subjectX ray diffraction analysis
dc.subjectCarbon formations
dc.subjectGreenhouse gases
dc.subjectCatalyst activity
dc.titleImproved activity and stability of Ce-promoted Ni/γ-A1 2O3 catalysts for carbon dioxide reforming of methaneen
dc.typeArtigo
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentBioquímica e Tecnologia - IQpt

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Araraquara - IQAR - Instituto de Química