Ethanol Steam reforming of hydrogen generation over structures catalysts

Autores
Lopez, Eduardo; Divins, Nuria J.; Anzola Escobar, Andres Mauricio; Schbib, Noemi Susana; Borio, Daniel Oscar; Llorca, Jordi
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The present paper reports on the preparation, characterization and reaction evaluation of structured catalysts toward hydrogen generation via ethanol steam reforming. To these ends, 400 cpsi cordierite monoliths were functionalized with Rh–Pd/CeO2 catalyst. SEM, TEM and XRD showed a uniform and well-covering CeO2 layer where Rh–Pd nanoparticles of less than 0.5 nm were anchored. The functionalized monoliths were successfully tested for synthesis gas production from ethanol steam reforming. Realistic operating conditions were selected, including temperatures between 500 and 950 K, pressures from 1 to 6 bar, undiluted ethanol:water molar ratios 1:4–1:8 (i.e., 2 ≤ S/C ≤ 4) and a wide range of feed loads. Appropriate activity and hydrogen selectivity were verified for the catalytic system, with ca. complete ethanol conversion at T > 700 K and a minor, or even negligible, generation of by-products (acetaldehyde, acetone, ethane, ethylene). Operating at 950 K and 1.5 bar, a H2 yield of 3.4 mol hydrogen per mol ethanol in feed was achieved for a liquid feed load of 0.22 μlliq/(mgcat min) (S/C = 3), with 8.1% of CH4 and 8.2% of CO on dry basis. Kinetic parameters of a phenomenological set of reaction rate equations were fitted against experimental data, considering ethanol decomposition (methane formation) with subsequent methane steam reforming to both CO and CO2 and water–gas shift reaction.
Fil: Lopez, Eduardo. Universidad Politecnica de Catalunya; España. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina; Argentina
Fil: Divins, Nuria J.. Universidad Politecnica de Catalunya; España
Fil: Anzola Escobar, Andres Mauricio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina; Argentina
Fil: Schbib, Noemi Susana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina; Argentina
Fil: Borio, Daniel Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina; Argentina
Fil: Llorca, Jordi. Universidad Politecnica de Catalunya; España
Materia
Hydrogen
Ethanol Reforming
Monolith
Structured Catalysys
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:11336/15316
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/15316
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Ethanol Steam reforming of hydrogen generation over structures catalystsLopez, EduardoDivins, Nuria J.Anzola Escobar, Andres MauricioSchbib, Noemi SusanaBorio, Daniel OscarLlorca, JordiHydrogenEthanol ReformingMonolithStructured Catalysyshttps://purl.org/becyt/ford/2.4https://purl.org/becyt/ford/2The present paper reports on the preparation, characterization and reaction evaluation of structured catalysts toward hydrogen generation via ethanol steam reforming. To these ends, 400 cpsi cordierite monoliths were functionalized with Rh–Pd/CeO2 catalyst. SEM, TEM and XRD showed a uniform and well-covering CeO2 layer where Rh–Pd nanoparticles of less than 0.5 nm were anchored. The functionalized monoliths were successfully tested for synthesis gas production from ethanol steam reforming. Realistic operating conditions were selected, including temperatures between 500 and 950 K, pressures from 1 to 6 bar, undiluted ethanol:water molar ratios 1:4–1:8 (i.e., 2 ≤ S/C ≤ 4) and a wide range of feed loads. Appropriate activity and hydrogen selectivity were verified for the catalytic system, with ca. complete ethanol conversion at T > 700 K and a minor, or even negligible, generation of by-products (acetaldehyde, acetone, ethane, ethylene). Operating at 950 K and 1.5 bar, a H2 yield of 3.4 mol hydrogen per mol ethanol in feed was achieved for a liquid feed load of 0.22 μlliq/(mgcat min) (S/C = 3), with 8.1% of CH4 and 8.2% of CO on dry basis. Kinetic parameters of a phenomenological set of reaction rate equations were fitted against experimental data, considering ethanol decomposition (methane formation) with subsequent methane steam reforming to both CO and CO2 and water–gas shift reaction.Fil: Lopez, Eduardo. Universidad Politecnica de Catalunya; España. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina; ArgentinaFil: Divins, Nuria J.. Universidad Politecnica de Catalunya; EspañaFil: Anzola Escobar, Andres Mauricio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina; ArgentinaFil: Schbib, Noemi Susana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina; ArgentinaFil: Borio, Daniel Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina; ArgentinaFil: Llorca, Jordi. Universidad Politecnica de Catalunya; EspañaElsevier2013-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/octet-streamhttp://hdl.handle.net/11336/15316Lopez, Eduardo; Divins, Nuria J.; Anzola Escobar, Andres Mauricio; Schbib, Noemi Susana; Borio, Daniel Oscar; et al.; Ethanol Steam reforming of hydrogen generation over structures catalysts; Elsevier; International Journal Of Hydrogen Energy; 38; 11; 2-2013; 4418-44280360-3199enginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.ijhydene.2013.01.174info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0360319913003066info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-10T13:15:50Zoai:ri.conicet.gov.ar:11336/15316instacron: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:34982025-09-10 13:15:50.561CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Ethanol Steam reforming of hydrogen generation over structures catalysts
title Ethanol Steam reforming of hydrogen generation over structures catalysts
spellingShingle Ethanol Steam reforming of hydrogen generation over structures catalysts
Lopez, Eduardo
Hydrogen
Ethanol Reforming
Monolith
Structured Catalysys
title_short Ethanol Steam reforming of hydrogen generation over structures catalysts
title_full Ethanol Steam reforming of hydrogen generation over structures catalysts
title_fullStr Ethanol Steam reforming of hydrogen generation over structures catalysts
title_full_unstemmed Ethanol Steam reforming of hydrogen generation over structures catalysts
title_sort Ethanol Steam reforming of hydrogen generation over structures catalysts
dc.creator.none.fl_str_mv Lopez, Eduardo
Divins, Nuria J.
Anzola Escobar, Andres Mauricio
Schbib, Noemi Susana
Borio, Daniel Oscar
Llorca, Jordi
author Lopez, Eduardo
author_facet Lopez, Eduardo
Divins, Nuria J.
Anzola Escobar, Andres Mauricio
Schbib, Noemi Susana
Borio, Daniel Oscar
Llorca, Jordi
author_role author
author2 Divins, Nuria J.
Anzola Escobar, Andres Mauricio
Schbib, Noemi Susana
Borio, Daniel Oscar
Llorca, Jordi
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Hydrogen
Ethanol Reforming
Monolith
Structured Catalysys
topic Hydrogen
Ethanol Reforming
Monolith
Structured Catalysys
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 present paper reports on the preparation, characterization and reaction evaluation of structured catalysts toward hydrogen generation via ethanol steam reforming. To these ends, 400 cpsi cordierite monoliths were functionalized with Rh–Pd/CeO2 catalyst. SEM, TEM and XRD showed a uniform and well-covering CeO2 layer where Rh–Pd nanoparticles of less than 0.5 nm were anchored. The functionalized monoliths were successfully tested for synthesis gas production from ethanol steam reforming. Realistic operating conditions were selected, including temperatures between 500 and 950 K, pressures from 1 to 6 bar, undiluted ethanol:water molar ratios 1:4–1:8 (i.e., 2 ≤ S/C ≤ 4) and a wide range of feed loads. Appropriate activity and hydrogen selectivity were verified for the catalytic system, with ca. complete ethanol conversion at T > 700 K and a minor, or even negligible, generation of by-products (acetaldehyde, acetone, ethane, ethylene). Operating at 950 K and 1.5 bar, a H2 yield of 3.4 mol hydrogen per mol ethanol in feed was achieved for a liquid feed load of 0.22 μlliq/(mgcat min) (S/C = 3), with 8.1% of CH4 and 8.2% of CO on dry basis. Kinetic parameters of a phenomenological set of reaction rate equations were fitted against experimental data, considering ethanol decomposition (methane formation) with subsequent methane steam reforming to both CO and CO2 and water–gas shift reaction.
Fil: Lopez, Eduardo. Universidad Politecnica de Catalunya; España. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina; Argentina
Fil: Divins, Nuria J.. Universidad Politecnica de Catalunya; España
Fil: Anzola Escobar, Andres Mauricio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina; Argentina
Fil: Schbib, Noemi Susana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina; Argentina
Fil: Borio, Daniel Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina; Argentina
Fil: Llorca, Jordi. Universidad Politecnica de Catalunya; España
description The present paper reports on the preparation, characterization and reaction evaluation of structured catalysts toward hydrogen generation via ethanol steam reforming. To these ends, 400 cpsi cordierite monoliths were functionalized with Rh–Pd/CeO2 catalyst. SEM, TEM and XRD showed a uniform and well-covering CeO2 layer where Rh–Pd nanoparticles of less than 0.5 nm were anchored. The functionalized monoliths were successfully tested for synthesis gas production from ethanol steam reforming. Realistic operating conditions were selected, including temperatures between 500 and 950 K, pressures from 1 to 6 bar, undiluted ethanol:water molar ratios 1:4–1:8 (i.e., 2 ≤ S/C ≤ 4) and a wide range of feed loads. Appropriate activity and hydrogen selectivity were verified for the catalytic system, with ca. complete ethanol conversion at T > 700 K and a minor, or even negligible, generation of by-products (acetaldehyde, acetone, ethane, ethylene). Operating at 950 K and 1.5 bar, a H2 yield of 3.4 mol hydrogen per mol ethanol in feed was achieved for a liquid feed load of 0.22 μlliq/(mgcat min) (S/C = 3), with 8.1% of CH4 and 8.2% of CO on dry basis. Kinetic parameters of a phenomenological set of reaction rate equations were fitted against experimental data, considering ethanol decomposition (methane formation) with subsequent methane steam reforming to both CO and CO2 and water–gas shift reaction.
publishDate 2013
dc.date.none.fl_str_mv 2013-02
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/11336/15316
Lopez, Eduardo; Divins, Nuria J.; Anzola Escobar, Andres Mauricio; Schbib, Noemi Susana; Borio, Daniel Oscar; et al.; Ethanol Steam reforming of hydrogen generation over structures catalysts; Elsevier; International Journal Of Hydrogen Energy; 38; 11; 2-2013; 4418-4428
0360-3199
url http://hdl.handle.net/11336/15316
identifier_str_mv Lopez, Eduardo; Divins, Nuria J.; Anzola Escobar, Andres Mauricio; Schbib, Noemi Susana; Borio, Daniel Oscar; et al.; Ethanol Steam reforming of hydrogen generation over structures catalysts; Elsevier; International Journal Of Hydrogen Energy; 38; 11; 2-2013; 4418-4428
0360-3199
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.2013.01.174
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0360319913003066
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/octet-stream
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
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 12.993085

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