Zirconia-Supported Cobalt as a Catalyst for Methane Combustion

Autores
Milt, Viviana Guadalupe; Ulla, Maria Alicia del H.; Lombardo, Eduardo Agustin
Año de publicación
2001
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Cobalt-supported catalysts were prepared using two different techniques: atomic layer epitaxy (ALE) and wet impregnation. Cobalt and lanthanum acetylacetonates were used and the solvents employed were either anhydrous THF or isobutyl alcohol. ZrO2 and La2O3/ZrO2 (lanthanum-doped ZrO2) were used as supports and La2O3 as reference. The most active catalysts in the 770–970 K range were those in which cobalt was incorporated using the ALE technique over ZrO2 or La2O3/ZrO2. The tested solids were characterized by XRD, TPR, and XPS. The features that differentiate good from poor catalysts are the following: good cobalt dispersion, the presence of surface Co2+, a low-temperature TPR peak, the absence of bulk carbonates, and the limited amount of surface carbonates. These results are discussed in terms of the current literature.
Fil: Milt, Viviana Guadalupe. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina
Fil: Ulla, Maria Alicia del H.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina
Fil: Lombardo, Eduardo Agustin. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina
Materia
Cobalt
Zirconia
Atomic Layer Epitaxy
Methane Combustion
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/40092
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/40092
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Zirconia-Supported Cobalt as a Catalyst for Methane CombustionMilt, Viviana GuadalupeUlla, Maria Alicia del H.Lombardo, Eduardo AgustinCobaltZirconiaAtomic Layer EpitaxyMethane Combustionhttps://purl.org/becyt/ford/2.4https://purl.org/becyt/ford/2Cobalt-supported catalysts were prepared using two different techniques: atomic layer epitaxy (ALE) and wet impregnation. Cobalt and lanthanum acetylacetonates were used and the solvents employed were either anhydrous THF or isobutyl alcohol. ZrO2 and La2O3/ZrO2 (lanthanum-doped ZrO2) were used as supports and La2O3 as reference. The most active catalysts in the 770–970 K range were those in which cobalt was incorporated using the ALE technique over ZrO2 or La2O3/ZrO2. The tested solids were characterized by XRD, TPR, and XPS. The features that differentiate good from poor catalysts are the following: good cobalt dispersion, the presence of surface Co2+, a low-temperature TPR peak, the absence of bulk carbonates, and the limited amount of surface carbonates. These results are discussed in terms of the current literature.Fil: Milt, Viviana Guadalupe. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; ArgentinaFil: Ulla, Maria Alicia del H.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; ArgentinaFil: Lombardo, Eduardo Agustin. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; ArgentinaElsevier Science Inc2001-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/40092Milt, Viviana Guadalupe; Ulla, Maria Alicia del H.; Lombardo, Eduardo Agustin; Zirconia-Supported Cobalt as a Catalyst for Methane Combustion; Elsevier Science Inc; Journal of Catalysis; 200; 2; 6-2001; 241-2490021-9517CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1006/jcat.2001.3206info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0021951701932063info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-11-12T09:34:41Zoai:ri.conicet.gov.ar:11336/40092instacron: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:34982025-11-12 09:34:42.178CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Zirconia-Supported Cobalt as a Catalyst for Methane Combustion
title Zirconia-Supported Cobalt as a Catalyst for Methane Combustion
spellingShingle Zirconia-Supported Cobalt as a Catalyst for Methane Combustion
Milt, Viviana Guadalupe
Cobalt
Zirconia
Atomic Layer Epitaxy
Methane Combustion
title_short Zirconia-Supported Cobalt as a Catalyst for Methane Combustion
title_full Zirconia-Supported Cobalt as a Catalyst for Methane Combustion
title_fullStr Zirconia-Supported Cobalt as a Catalyst for Methane Combustion
title_full_unstemmed Zirconia-Supported Cobalt as a Catalyst for Methane Combustion
title_sort Zirconia-Supported Cobalt as a Catalyst for Methane Combustion
dc.creator.none.fl_str_mv Milt, Viviana Guadalupe
Ulla, Maria Alicia del H.
Lombardo, Eduardo Agustin
author Milt, Viviana Guadalupe
author_facet Milt, Viviana Guadalupe
Ulla, Maria Alicia del H.
Lombardo, Eduardo Agustin
author_role author
author2 Ulla, Maria Alicia del H.
Lombardo, Eduardo Agustin
author2_role author
author
dc.subject.none.fl_str_mv Cobalt
Zirconia
Atomic Layer Epitaxy
Methane Combustion
topic Cobalt
Zirconia
Atomic Layer Epitaxy
Methane Combustion
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.4
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv Cobalt-supported catalysts were prepared using two different techniques: atomic layer epitaxy (ALE) and wet impregnation. Cobalt and lanthanum acetylacetonates were used and the solvents employed were either anhydrous THF or isobutyl alcohol. ZrO2 and La2O3/ZrO2 (lanthanum-doped ZrO2) were used as supports and La2O3 as reference. The most active catalysts in the 770–970 K range were those in which cobalt was incorporated using the ALE technique over ZrO2 or La2O3/ZrO2. The tested solids were characterized by XRD, TPR, and XPS. The features that differentiate good from poor catalysts are the following: good cobalt dispersion, the presence of surface Co2+, a low-temperature TPR peak, the absence of bulk carbonates, and the limited amount of surface carbonates. These results are discussed in terms of the current literature.
Fil: Milt, Viviana Guadalupe. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina
Fil: Ulla, Maria Alicia del H.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina
Fil: Lombardo, Eduardo Agustin. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina
description Cobalt-supported catalysts were prepared using two different techniques: atomic layer epitaxy (ALE) and wet impregnation. Cobalt and lanthanum acetylacetonates were used and the solvents employed were either anhydrous THF or isobutyl alcohol. ZrO2 and La2O3/ZrO2 (lanthanum-doped ZrO2) were used as supports and La2O3 as reference. The most active catalysts in the 770–970 K range were those in which cobalt was incorporated using the ALE technique over ZrO2 or La2O3/ZrO2. The tested solids were characterized by XRD, TPR, and XPS. The features that differentiate good from poor catalysts are the following: good cobalt dispersion, the presence of surface Co2+, a low-temperature TPR peak, the absence of bulk carbonates, and the limited amount of surface carbonates. These results are discussed in terms of the current literature.
publishDate 2001
dc.date.none.fl_str_mv 2001-06
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/11336/40092
Milt, Viviana Guadalupe; Ulla, Maria Alicia del H.; Lombardo, Eduardo Agustin; Zirconia-Supported Cobalt as a Catalyst for Methane Combustion; Elsevier Science Inc; Journal of Catalysis; 200; 2; 6-2001; 241-249
0021-9517
CONICET Digital
CONICET
url http://hdl.handle.net/11336/40092
identifier_str_mv Milt, Viviana Guadalupe; Ulla, Maria Alicia del H.; Lombardo, Eduardo Agustin; Zirconia-Supported Cobalt as a Catalyst for Methane Combustion; Elsevier Science Inc; Journal of Catalysis; 200; 2; 6-2001; 241-249
0021-9517
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1006/jcat.2001.3206
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0021951701932063
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier Science Inc
publisher.none.fl_str_mv Elsevier Science Inc
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
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score 12.976206

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