Stability improvements of Ni/α-Al2O3 catalysts to obtain hydrogen from methane reforming

Autores
Pompeo, Francisco; Gazzoli, Delia; Nichio, Nora Nancy
Año de publicación
2009
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Ni catalysts supported on commercial α-Al2O3 modified by addition of CeO2 and/or ZrO2 were prepared in the present work. Since the principal objective was to evaluate the behavior of these systems and the support effect on the stability, methane reforming reactions were studied with steam, carbon dioxide, partial oxidation and mixed reforming. Results show that catalysts supported on Ce-Zr-α-Al2O3 composites present better reforming activity and stability noticeably higher than in the case of the reference support. With respect to composites, the presence of mixed oxides of CexZr1-xO2 type facilitates the formation of active phases with higher interaction. This fact reduces the deactivation by sintering conferring to the system a higher contribution of adsorbed oxygen species, favoring the deposited carbon elimination. These improvements resulted in being dependent on the Ce:Zr ratio of the composite, thus obtaining more stable catalysts for Ce:Zr = 4:1 ratios. © 2009 International Association for Hydrogen Energy.
Fil: Pompeo, Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr. Jorge J. Ronco". Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Ciencias Aplicadas; Argentina
Fil: Gazzoli, Delia. Università degli studi di Roma "La Sapienza"; Italia
Fil: Nichio, Nora Nancy. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr. Jorge J. Ronco". Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Ciencias Aplicadas; Argentina
Materia
Α-Al2o3
Cexzr1-Xo2 Mixed Oxide
Hydrogen
Nickel
Xps
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/54009
Acceder
id CONICETDig_af2f4919561295cd32ef9d375fb31718
oai_identifier_str oai:ri.conicet.gov.ar:11336/54009
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Stability improvements of Ni/α-Al2O3 catalysts to obtain hydrogen from methane reformingPompeo, FranciscoGazzoli, DeliaNichio, Nora NancyΑ-Al2o3Cexzr1-Xo2 Mixed OxideHydrogenNickelXpshttps://purl.org/becyt/ford/2.4https://purl.org/becyt/ford/2Ni catalysts supported on commercial α-Al2O3 modified by addition of CeO2 and/or ZrO2 were prepared in the present work. Since the principal objective was to evaluate the behavior of these systems and the support effect on the stability, methane reforming reactions were studied with steam, carbon dioxide, partial oxidation and mixed reforming. Results show that catalysts supported on Ce-Zr-α-Al2O3 composites present better reforming activity and stability noticeably higher than in the case of the reference support. With respect to composites, the presence of mixed oxides of CexZr1-xO2 type facilitates the formation of active phases with higher interaction. This fact reduces the deactivation by sintering conferring to the system a higher contribution of adsorbed oxygen species, favoring the deposited carbon elimination. These improvements resulted in being dependent on the Ce:Zr ratio of the composite, thus obtaining more stable catalysts for Ce:Zr = 4:1 ratios. © 2009 International Association for Hydrogen Energy.Fil: Pompeo, Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr. Jorge J. Ronco". Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Ciencias Aplicadas; ArgentinaFil: Gazzoli, Delia. Università degli studi di Roma "La Sapienza"; ItaliaFil: Nichio, Nora Nancy. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr. Jorge J. Ronco". Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Ciencias Aplicadas; ArgentinaPergamon-Elsevier Science Ltd2009-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/54009Pompeo, Francisco; Gazzoli, Delia; Nichio, Nora Nancy; Stability improvements of Ni/α-Al2O3 catalysts to obtain hydrogen from methane reforming; Pergamon-Elsevier Science Ltd; International Journal of Hydrogen Energy; 34; 5; 3-2009; 2260-22680360-3199CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.ijhydene.2008.12.057info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0360319908017734info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:47:30Zoai:ri.conicet.gov.ar:11336/54009instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:47:30.586CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Stability improvements of Ni/α-Al2O3 catalysts to obtain hydrogen from methane reforming
title Stability improvements of Ni/α-Al2O3 catalysts to obtain hydrogen from methane reforming
spellingShingle Stability improvements of Ni/α-Al2O3 catalysts to obtain hydrogen from methane reforming
Pompeo, Francisco
Α-Al2o3
Cexzr1-Xo2 Mixed Oxide
Hydrogen
Nickel
Xps
title_short Stability improvements of Ni/α-Al2O3 catalysts to obtain hydrogen from methane reforming
title_full Stability improvements of Ni/α-Al2O3 catalysts to obtain hydrogen from methane reforming
title_fullStr Stability improvements of Ni/α-Al2O3 catalysts to obtain hydrogen from methane reforming
title_full_unstemmed Stability improvements of Ni/α-Al2O3 catalysts to obtain hydrogen from methane reforming
title_sort Stability improvements of Ni/α-Al2O3 catalysts to obtain hydrogen from methane reforming
dc.creator.none.fl_str_mv Pompeo, Francisco
Gazzoli, Delia
Nichio, Nora Nancy
author Pompeo, Francisco
author_facet Pompeo, Francisco
Gazzoli, Delia
Nichio, Nora Nancy
author_role author
author2 Gazzoli, Delia
Nichio, Nora Nancy
author2_role author
author
dc.subject.none.fl_str_mv Α-Al2o3
Cexzr1-Xo2 Mixed Oxide
Hydrogen
Nickel
Xps
topic Α-Al2o3
Cexzr1-Xo2 Mixed Oxide
Hydrogen
Nickel
Xps
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.4
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv Ni catalysts supported on commercial α-Al2O3 modified by addition of CeO2 and/or ZrO2 were prepared in the present work. Since the principal objective was to evaluate the behavior of these systems and the support effect on the stability, methane reforming reactions were studied with steam, carbon dioxide, partial oxidation and mixed reforming. Results show that catalysts supported on Ce-Zr-α-Al2O3 composites present better reforming activity and stability noticeably higher than in the case of the reference support. With respect to composites, the presence of mixed oxides of CexZr1-xO2 type facilitates the formation of active phases with higher interaction. This fact reduces the deactivation by sintering conferring to the system a higher contribution of adsorbed oxygen species, favoring the deposited carbon elimination. These improvements resulted in being dependent on the Ce:Zr ratio of the composite, thus obtaining more stable catalysts for Ce:Zr = 4:1 ratios. © 2009 International Association for Hydrogen Energy.
Fil: Pompeo, Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr. Jorge J. Ronco". Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Ciencias Aplicadas; Argentina
Fil: Gazzoli, Delia. Università degli studi di Roma "La Sapienza"; Italia
Fil: Nichio, Nora Nancy. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr. Jorge J. Ronco". Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Ciencias Aplicadas; Argentina
description Ni catalysts supported on commercial α-Al2O3 modified by addition of CeO2 and/or ZrO2 were prepared in the present work. Since the principal objective was to evaluate the behavior of these systems and the support effect on the stability, methane reforming reactions were studied with steam, carbon dioxide, partial oxidation and mixed reforming. Results show that catalysts supported on Ce-Zr-α-Al2O3 composites present better reforming activity and stability noticeably higher than in the case of the reference support. With respect to composites, the presence of mixed oxides of CexZr1-xO2 type facilitates the formation of active phases with higher interaction. This fact reduces the deactivation by sintering conferring to the system a higher contribution of adsorbed oxygen species, favoring the deposited carbon elimination. These improvements resulted in being dependent on the Ce:Zr ratio of the composite, thus obtaining more stable catalysts for Ce:Zr = 4:1 ratios. © 2009 International Association for Hydrogen Energy.
publishDate 2009
dc.date.none.fl_str_mv 2009-03
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/54009
Pompeo, Francisco; Gazzoli, Delia; Nichio, Nora Nancy; Stability improvements of Ni/α-Al2O3 catalysts to obtain hydrogen from methane reforming; Pergamon-Elsevier Science Ltd; International Journal of Hydrogen Energy; 34; 5; 3-2009; 2260-2268
0360-3199
CONICET Digital
CONICET
url http://hdl.handle.net/11336/54009
identifier_str_mv Pompeo, Francisco; Gazzoli, Delia; Nichio, Nora Nancy; Stability improvements of Ni/α-Al2O3 catalysts to obtain hydrogen from methane reforming; Pergamon-Elsevier Science Ltd; International Journal of Hydrogen Energy; 34; 5; 3-2009; 2260-2268
0360-3199
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1016/j.ijhydene.2008.12.057
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0360319908017734
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Pergamon-Elsevier Science Ltd
publisher.none.fl_str_mv Pergamon-Elsevier Science Ltd
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
_version_ 1844613480006549504
score 13.070432

Publicaciones similares