Supported Rh nanoparticles on CaO–SiO2 binary systems for the reforming of methane by carbon dioxide in membrane reactors
- Autores
- Múnera Agudelo, John Fernando; Faroldi, Betina María Cecilia; Frutis, Emanuel Alejandro; Lombardo, Eduardo Agustin; Cornaglia, Laura Maria; Gonzalez Carrazán, Silvia
- Año de publicación
- 2013
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- A set of Rh catalysts supported on a binary CaO–SiO2 system with different CaO content was prepared to investigate their textural and structural properties, Rh particle size, and catalytic performance in the dry reforming of methane reaction. The Rh nanoparticles and nanocrystalline structures in the reduced catalysts were characterized through HRTEM and CO chemisorption. EDX mapping showed that CaO is uniformly distributed on SiO2 and that no segregation is detected between them. Rh nanoparticles of about 1–2.6 nm were observed. These particle sizes indicate that Rh is well dispersed on the catalyst surface and that no agglomeration exists. The incorporation of the promoter (CaO) to the silica support induced an increase in the metal dispersion from 8% in Rh/SiO2 to 22–80% in Rh/CaO–SiO2 catalysts. However, the Rh dispersion decreased as the CaO loading also increased in the binary supports. For the high CaO load solids, a high stability was observed after 80 h on stream for the dry reforming of methane. In addition, the solid with 27% CaO presented the higher methane reaction rate. As a consequence, this solid was selected for its application in a membrane reactor under different conditions. The increase of methane conversion with reaction pressure at high sweep gas flow rate indicates that the separation efficiency of the Pd membrane is sufficiently high to dominate the performance of Pd membrane reactors under those conditions.
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: Faroldi, Betina María Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina
Fil: Frutis, Emanuel Alejandro. 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: 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: Gonzalez Carrazán, Silvia. Universidad de Salamanca; España - Materia
-
Methane Reforming
Rh
Cao-Sio2 Binary Support
Hydrogen Production
Membrane Reactor - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/31029
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Supported Rh nanoparticles on CaO–SiO2 binary systems for the reforming of methane by carbon dioxide in membrane reactorsMúnera Agudelo, John FernandoFaroldi, Betina María CeciliaFrutis, Emanuel AlejandroLombardo, Eduardo AgustinCornaglia, Laura MariaGonzalez Carrazán, SilviaMethane ReformingRhCao-Sio2 Binary SupportHydrogen ProductionMembrane Reactorhttps://purl.org/becyt/ford/2.4https://purl.org/becyt/ford/2A set of Rh catalysts supported on a binary CaO–SiO2 system with different CaO content was prepared to investigate their textural and structural properties, Rh particle size, and catalytic performance in the dry reforming of methane reaction. The Rh nanoparticles and nanocrystalline structures in the reduced catalysts were characterized through HRTEM and CO chemisorption. EDX mapping showed that CaO is uniformly distributed on SiO2 and that no segregation is detected between them. Rh nanoparticles of about 1–2.6 nm were observed. These particle sizes indicate that Rh is well dispersed on the catalyst surface and that no agglomeration exists. The incorporation of the promoter (CaO) to the silica support induced an increase in the metal dispersion from 8% in Rh/SiO2 to 22–80% in Rh/CaO–SiO2 catalysts. However, the Rh dispersion decreased as the CaO loading also increased in the binary supports. For the high CaO load solids, a high stability was observed after 80 h on stream for the dry reforming of methane. In addition, the solid with 27% CaO presented the higher methane reaction rate. As a consequence, this solid was selected for its application in a membrane reactor under different conditions. The increase of methane conversion with reaction pressure at high sweep gas flow rate indicates that the separation efficiency of the Pd membrane is sufficiently high to dominate the performance of Pd membrane reactors under those conditions.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 ; ArgentinaFil: Faroldi, Betina María Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; ArgentinaFil: Frutis, Emanuel Alejandro. 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: Cornaglia, Laura Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; ArgentinaFil: Gonzalez Carrazán, Silvia. Universidad de Salamanca; EspañaElsevier2013-09info: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/11336/31029Gonzalez Carrazán, Silvia; Cornaglia, Laura Maria; Lombardo, Eduardo Agustin; Frutis, Emanuel Alejandro; Faroldi, Betina María Cecilia; Múnera Agudelo, John Fernando; et al.; Supported Rh nanoparticles on CaO–SiO2 binary systems for the reforming of methane by carbon dioxide in membrane reactors; Elsevier; Applied Catalysis A: General; 474; 9-2013; 114-1240926-860XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.apcata.2013.09.018info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0926860X13005607info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:25:40Zoai:ri.conicet.gov.ar:11336/31029instacron: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 10:25:40.431CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Supported Rh nanoparticles on CaO–SiO2 binary systems for the reforming of methane by carbon dioxide in membrane reactors |
title |
Supported Rh nanoparticles on CaO–SiO2 binary systems for the reforming of methane by carbon dioxide in membrane reactors |
spellingShingle |
Supported Rh nanoparticles on CaO–SiO2 binary systems for the reforming of methane by carbon dioxide in membrane reactors Múnera Agudelo, John Fernando Methane Reforming Rh Cao-Sio2 Binary Support Hydrogen Production Membrane Reactor |
title_short |
Supported Rh nanoparticles on CaO–SiO2 binary systems for the reforming of methane by carbon dioxide in membrane reactors |
title_full |
Supported Rh nanoparticles on CaO–SiO2 binary systems for the reforming of methane by carbon dioxide in membrane reactors |
title_fullStr |
Supported Rh nanoparticles on CaO–SiO2 binary systems for the reforming of methane by carbon dioxide in membrane reactors |
title_full_unstemmed |
Supported Rh nanoparticles on CaO–SiO2 binary systems for the reforming of methane by carbon dioxide in membrane reactors |
title_sort |
Supported Rh nanoparticles on CaO–SiO2 binary systems for the reforming of methane by carbon dioxide in membrane reactors |
dc.creator.none.fl_str_mv |
Múnera Agudelo, John Fernando Faroldi, Betina María Cecilia Frutis, Emanuel Alejandro Lombardo, Eduardo Agustin Cornaglia, Laura Maria Gonzalez Carrazán, Silvia |
author |
Múnera Agudelo, John Fernando |
author_facet |
Múnera Agudelo, John Fernando Faroldi, Betina María Cecilia Frutis, Emanuel Alejandro Lombardo, Eduardo Agustin Cornaglia, Laura Maria Gonzalez Carrazán, Silvia |
author_role |
author |
author2 |
Faroldi, Betina María Cecilia Frutis, Emanuel Alejandro Lombardo, Eduardo Agustin Cornaglia, Laura Maria Gonzalez Carrazán, Silvia |
author2_role |
author author author author author |
dc.subject.none.fl_str_mv |
Methane Reforming Rh Cao-Sio2 Binary Support Hydrogen Production Membrane Reactor |
topic |
Methane Reforming Rh Cao-Sio2 Binary Support Hydrogen Production Membrane Reactor |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/2.4 https://purl.org/becyt/ford/2 |
dc.description.none.fl_txt_mv |
A set of Rh catalysts supported on a binary CaO–SiO2 system with different CaO content was prepared to investigate their textural and structural properties, Rh particle size, and catalytic performance in the dry reforming of methane reaction. The Rh nanoparticles and nanocrystalline structures in the reduced catalysts were characterized through HRTEM and CO chemisorption. EDX mapping showed that CaO is uniformly distributed on SiO2 and that no segregation is detected between them. Rh nanoparticles of about 1–2.6 nm were observed. These particle sizes indicate that Rh is well dispersed on the catalyst surface and that no agglomeration exists. The incorporation of the promoter (CaO) to the silica support induced an increase in the metal dispersion from 8% in Rh/SiO2 to 22–80% in Rh/CaO–SiO2 catalysts. However, the Rh dispersion decreased as the CaO loading also increased in the binary supports. For the high CaO load solids, a high stability was observed after 80 h on stream for the dry reforming of methane. In addition, the solid with 27% CaO presented the higher methane reaction rate. As a consequence, this solid was selected for its application in a membrane reactor under different conditions. The increase of methane conversion with reaction pressure at high sweep gas flow rate indicates that the separation efficiency of the Pd membrane is sufficiently high to dominate the performance of Pd membrane reactors under those conditions. 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: Faroldi, Betina María Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina Fil: Frutis, Emanuel Alejandro. 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: 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: Gonzalez Carrazán, Silvia. Universidad de Salamanca; España |
description |
A set of Rh catalysts supported on a binary CaO–SiO2 system with different CaO content was prepared to investigate their textural and structural properties, Rh particle size, and catalytic performance in the dry reforming of methane reaction. The Rh nanoparticles and nanocrystalline structures in the reduced catalysts were characterized through HRTEM and CO chemisorption. EDX mapping showed that CaO is uniformly distributed on SiO2 and that no segregation is detected between them. Rh nanoparticles of about 1–2.6 nm were observed. These particle sizes indicate that Rh is well dispersed on the catalyst surface and that no agglomeration exists. The incorporation of the promoter (CaO) to the silica support induced an increase in the metal dispersion from 8% in Rh/SiO2 to 22–80% in Rh/CaO–SiO2 catalysts. However, the Rh dispersion decreased as the CaO loading also increased in the binary supports. For the high CaO load solids, a high stability was observed after 80 h on stream for the dry reforming of methane. In addition, the solid with 27% CaO presented the higher methane reaction rate. As a consequence, this solid was selected for its application in a membrane reactor under different conditions. The increase of methane conversion with reaction pressure at high sweep gas flow rate indicates that the separation efficiency of the Pd membrane is sufficiently high to dominate the performance of Pd membrane reactors under those conditions. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-09 |
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/11336/31029 Gonzalez Carrazán, Silvia; Cornaglia, Laura Maria; Lombardo, Eduardo Agustin; Frutis, Emanuel Alejandro; Faroldi, Betina María Cecilia; Múnera Agudelo, John Fernando; et al.; Supported Rh nanoparticles on CaO–SiO2 binary systems for the reforming of methane by carbon dioxide in membrane reactors; Elsevier; Applied Catalysis A: General; 474; 9-2013; 114-124 0926-860X CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/31029 |
identifier_str_mv |
Gonzalez Carrazán, Silvia; Cornaglia, Laura Maria; Lombardo, Eduardo Agustin; Frutis, Emanuel Alejandro; Faroldi, Betina María Cecilia; Múnera Agudelo, John Fernando; et al.; Supported Rh nanoparticles on CaO–SiO2 binary systems for the reforming of methane by carbon dioxide in membrane reactors; Elsevier; Applied Catalysis A: General; 474; 9-2013; 114-124 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/doi/10.1016/j.apcata.2013.09.018 info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0926860X13005607 |
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 |
publisher.none.fl_str_mv |
Elsevier |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
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CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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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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13.070432 |