Effect of the support on the catalytic stability of Rh formulations for the water-gas shift reaction

Autores
Cornaglia, Carolina Andrea; Múnera Agudelo, John Fernando; Cornaglia, Laura Maria; Lombardo, Eduardo Agustin; Ruiz, Patricio; Karelovic, Alejandro
Año de publicación
2012
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The stability of Rh(0.6)/La 2O 3 and Rh(0.6)/La 2O 3(27)·SiO 2 catalysts used in the water-gas shift reaction (WGSR) was studied. In order to understand the different behavior of the two formulations, XRD, Raman spectroscopy and operando-DRIFTS were employed. It was demonstrated that Rh/La 2O 3·SiO 2 showed a constant activity after 50 h on stream and that it was made up of La 2Si 2O 7 with very low crystallinity and SiO 2. On the other hand, Rh/La 2O 3 after use evolved to a mixture of oxycarbonates and lanthanum hydroxide evidenced by XRD and confirmed by Raman spectroscopy. This solid suffered a significant deactivation which was assigned to the formation of very small amounts of formate and carbonate residues. These residues disappeared after being burnt in air at 673 K and the initial catalytic activity was restored. The results obtained were useful to explain the reasons for the different stability of the two formulations and could have implications for the design of active catalysts used in the WGSR and in the processes in which it is involved.
Fil: Cornaglia, Carolina Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina
Fil: Múnera Agudelo, John Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina
Fil: Cornaglia, Laura Maria. 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
Fil: Ruiz, Patricio. Université Catholique de Louvain; Bélgica
Fil: Karelovic, Alejandro. Université Catholique de Louvain; Bélgica
Materia
BINARY SUPPORT
DEACTIVATION
FORMATE SPECIES
HYDROGEN PURIFICATION
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:11336/52814
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/52814
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Effect of the support on the catalytic stability of Rh formulations for the water-gas shift reactionCornaglia, Carolina AndreaMúnera Agudelo, John FernandoCornaglia, Laura MariaLombardo, Eduardo AgustinRuiz, PatricioKarelovic, AlejandroBINARY SUPPORTDEACTIVATIONFORMATE SPECIESHYDROGEN PURIFICATIONhttps://purl.org/becyt/ford/2.4https://purl.org/becyt/ford/2The stability of Rh(0.6)/La 2O 3 and Rh(0.6)/La 2O 3(27)·SiO 2 catalysts used in the water-gas shift reaction (WGSR) was studied. In order to understand the different behavior of the two formulations, XRD, Raman spectroscopy and operando-DRIFTS were employed. It was demonstrated that Rh/La 2O 3·SiO 2 showed a constant activity after 50 h on stream and that it was made up of La 2Si 2O 7 with very low crystallinity and SiO 2. On the other hand, Rh/La 2O 3 after use evolved to a mixture of oxycarbonates and lanthanum hydroxide evidenced by XRD and confirmed by Raman spectroscopy. This solid suffered a significant deactivation which was assigned to the formation of very small amounts of formate and carbonate residues. These residues disappeared after being burnt in air at 673 K and the initial catalytic activity was restored. The results obtained were useful to explain the reasons for the different stability of the two formulations and could have implications for the design of active catalysts used in the WGSR and in the processes in which it is involved.Fil: Cornaglia, Carolina Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; ArgentinaFil: Múnera Agudelo, John Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; ArgentinaFil: Cornaglia, Laura Maria. 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 ; ArgentinaFil: Ruiz, Patricio. Université Catholique de Louvain; BélgicaFil: Karelovic, Alejandro. Université Catholique de Louvain; BélgicaElsevier Science2012-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/52814Cornaglia, Carolina Andrea; Múnera Agudelo, John Fernando; Cornaglia, Laura Maria; Lombardo, Eduardo Agustin; Ruiz, Patricio; et al.; Effect of the support on the catalytic stability of Rh formulations for the water-gas shift reaction; Elsevier Science; Applied Catalysis A: General; 435-436; 9-2012; 99-1060926-860XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0926860X12003237info:eu-repo/semantics/altIdentifier/doi/10.1016/j.apcata.2012.05.042info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:33:25Zoai:ri.conicet.gov.ar:11336/52814instacron: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 09:33:25.532CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Effect of the support on the catalytic stability of Rh formulations for the water-gas shift reaction
title Effect of the support on the catalytic stability of Rh formulations for the water-gas shift reaction
spellingShingle Effect of the support on the catalytic stability of Rh formulations for the water-gas shift reaction
Cornaglia, Carolina Andrea
BINARY SUPPORT
DEACTIVATION
FORMATE SPECIES
HYDROGEN PURIFICATION
title_short Effect of the support on the catalytic stability of Rh formulations for the water-gas shift reaction
title_full Effect of the support on the catalytic stability of Rh formulations for the water-gas shift reaction
title_fullStr Effect of the support on the catalytic stability of Rh formulations for the water-gas shift reaction
title_full_unstemmed Effect of the support on the catalytic stability of Rh formulations for the water-gas shift reaction
title_sort Effect of the support on the catalytic stability of Rh formulations for the water-gas shift reaction
dc.creator.none.fl_str_mv Cornaglia, Carolina Andrea
Múnera Agudelo, John Fernando
Cornaglia, Laura Maria
Lombardo, Eduardo Agustin
Ruiz, Patricio
Karelovic, Alejandro
author Cornaglia, Carolina Andrea
author_facet Cornaglia, Carolina Andrea
Múnera Agudelo, John Fernando
Cornaglia, Laura Maria
Lombardo, Eduardo Agustin
Ruiz, Patricio
Karelovic, Alejandro
author_role author
author2 Múnera Agudelo, John Fernando
Cornaglia, Laura Maria
Lombardo, Eduardo Agustin
Ruiz, Patricio
Karelovic, Alejandro
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv BINARY SUPPORT
DEACTIVATION
FORMATE SPECIES
HYDROGEN PURIFICATION
topic BINARY SUPPORT
DEACTIVATION
FORMATE SPECIES
HYDROGEN PURIFICATION
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.4
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv The stability of Rh(0.6)/La 2O 3 and Rh(0.6)/La 2O 3(27)·SiO 2 catalysts used in the water-gas shift reaction (WGSR) was studied. In order to understand the different behavior of the two formulations, XRD, Raman spectroscopy and operando-DRIFTS were employed. It was demonstrated that Rh/La 2O 3·SiO 2 showed a constant activity after 50 h on stream and that it was made up of La 2Si 2O 7 with very low crystallinity and SiO 2. On the other hand, Rh/La 2O 3 after use evolved to a mixture of oxycarbonates and lanthanum hydroxide evidenced by XRD and confirmed by Raman spectroscopy. This solid suffered a significant deactivation which was assigned to the formation of very small amounts of formate and carbonate residues. These residues disappeared after being burnt in air at 673 K and the initial catalytic activity was restored. The results obtained were useful to explain the reasons for the different stability of the two formulations and could have implications for the design of active catalysts used in the WGSR and in the processes in which it is involved.
Fil: Cornaglia, Carolina Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina
Fil: Múnera Agudelo, John Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina
Fil: Cornaglia, Laura Maria. 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
Fil: Ruiz, Patricio. Université Catholique de Louvain; Bélgica
Fil: Karelovic, Alejandro. Université Catholique de Louvain; Bélgica
description The stability of Rh(0.6)/La 2O 3 and Rh(0.6)/La 2O 3(27)·SiO 2 catalysts used in the water-gas shift reaction (WGSR) was studied. In order to understand the different behavior of the two formulations, XRD, Raman spectroscopy and operando-DRIFTS were employed. It was demonstrated that Rh/La 2O 3·SiO 2 showed a constant activity after 50 h on stream and that it was made up of La 2Si 2O 7 with very low crystallinity and SiO 2. On the other hand, Rh/La 2O 3 after use evolved to a mixture of oxycarbonates and lanthanum hydroxide evidenced by XRD and confirmed by Raman spectroscopy. This solid suffered a significant deactivation which was assigned to the formation of very small amounts of formate and carbonate residues. These residues disappeared after being burnt in air at 673 K and the initial catalytic activity was restored. The results obtained were useful to explain the reasons for the different stability of the two formulations and could have implications for the design of active catalysts used in the WGSR and in the processes in which it is involved.
publishDate 2012
dc.date.none.fl_str_mv 2012-09
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/11336/52814
Cornaglia, Carolina Andrea; Múnera Agudelo, John Fernando; Cornaglia, Laura Maria; Lombardo, Eduardo Agustin; Ruiz, Patricio; et al.; Effect of the support on the catalytic stability of Rh formulations for the water-gas shift reaction; Elsevier Science; Applied Catalysis A: General; 435-436; 9-2012; 99-106
0926-860X
CONICET Digital
CONICET
url http://hdl.handle.net/11336/52814
identifier_str_mv Cornaglia, Carolina Andrea; Múnera Agudelo, John Fernando; Cornaglia, Laura Maria; Lombardo, Eduardo Agustin; Ruiz, Patricio; et al.; Effect of the support on the catalytic stability of Rh formulations for the water-gas shift reaction; Elsevier Science; Applied Catalysis A: General; 435-436; 9-2012; 99-106
0926-860X
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0926860X12003237
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.apcata.2012.05.042
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
application/pdf
dc.publisher.none.fl_str_mv Elsevier Science
publisher.none.fl_str_mv Elsevier Science
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_ 1844613026930491392
score 13.070432

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