Synthesis, characterization and catalytic activity of AlSBA-3 mesoporous catalyst having variable silicon-to-aluminum ratios

Autores
Martinez, Maria Laura; Gómez Costa, Marcos Bruno; Monti, Gustavo Alberto; Anunziata, Oscar Alfredo
Año de publicación
2011
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
AlSBA-3 mesoporous catalytic materials with different Si/Al ratios were synthesized; Al was incorporated in the mesoporous structure using the post-synthesis method. The catalysts were characterized using different techniques and methods, such as: XRD, BET, ICP, SEM microcopy, TEM microscopy and 27Al MAS NMR. Acidic properties were estimated by adsorption-desorption using pyridine as probe molecule followed by FTIR spectroscopy. FTIR studies showed the acidic properties with aluminum incorporation; lower Si/Al ratios increase the number of acid sites. Temperature-programmed desorption of pyridine showed that AlSBA-3 has a higher number of strong acid sites compared to other mesoporous materials such as Al-MCM-41, Al-SBA-15 and Al-SBA-16. It has been observed by 27Al MAS NMR spectroscopy, that the materials exhibit peaks with shifts of 50 ± 2 ppm and weak signal at 0 ± 2 ppm. The AlSBA-3 materials used as a catalyst showed high performance in the acid-catalyzed dehydration of isopropanol.
Fil: Martinez, Maria Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Tecnología Química. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Tecnología Química; Argentina
Fil: Gómez Costa, Marcos Bruno. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Tecnología Química. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Tecnología Química; Argentina
Fil: Monti, Gustavo Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; Argentina
Fil: Anunziata, Oscar Alfredo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Tecnología Química. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Tecnología Química; Argentina
Materia
ACID SITES
ALSBA-3
ALUMINUM INCORPORATION
ISOPROPANOL DEHYDRATION
STRENGTH ACIDITY
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:11336/190367
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/190367
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Synthesis, characterization and catalytic activity of AlSBA-3 mesoporous catalyst having variable silicon-to-aluminum ratiosMartinez, Maria LauraGómez Costa, Marcos BrunoMonti, Gustavo AlbertoAnunziata, Oscar AlfredoACID SITESALSBA-3ALUMINUM INCORPORATIONISOPROPANOL DEHYDRATIONSTRENGTH ACIDITYhttps://purl.org/becyt/ford/2.4https://purl.org/becyt/ford/2AlSBA-3 mesoporous catalytic materials with different Si/Al ratios were synthesized; Al was incorporated in the mesoporous structure using the post-synthesis method. The catalysts were characterized using different techniques and methods, such as: XRD, BET, ICP, SEM microcopy, TEM microscopy and 27Al MAS NMR. Acidic properties were estimated by adsorption-desorption using pyridine as probe molecule followed by FTIR spectroscopy. FTIR studies showed the acidic properties with aluminum incorporation; lower Si/Al ratios increase the number of acid sites. Temperature-programmed desorption of pyridine showed that AlSBA-3 has a higher number of strong acid sites compared to other mesoporous materials such as Al-MCM-41, Al-SBA-15 and Al-SBA-16. It has been observed by 27Al MAS NMR spectroscopy, that the materials exhibit peaks with shifts of 50 ± 2 ppm and weak signal at 0 ± 2 ppm. The AlSBA-3 materials used as a catalyst showed high performance in the acid-catalyzed dehydration of isopropanol.Fil: Martinez, Maria Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Tecnología Química. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Tecnología Química; ArgentinaFil: Gómez Costa, Marcos Bruno. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Tecnología Química. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Tecnología Química; ArgentinaFil: Monti, Gustavo Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; ArgentinaFil: Anunziata, Oscar Alfredo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Tecnología Química. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Tecnología Química; ArgentinaElsevier Science2011-10info: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/11336/190367Martinez, Maria Laura; Gómez Costa, Marcos Bruno; Monti, Gustavo Alberto; Anunziata, Oscar Alfredo; Synthesis, characterization and catalytic activity of AlSBA-3 mesoporous catalyst having variable silicon-to-aluminum ratios; Elsevier Science; Microporous and Mesoporous Materials; 144; 1-3; 10-2011; 183-1901387-1811CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1387181111001764info:eu-repo/semantics/altIdentifier/doi/10.1016/j.micromeso.2011.04.010info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T12:17:37Zoai:ri.conicet.gov.ar:11336/190367instacron: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:34982025-10-22 12:17:37.701CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Synthesis, characterization and catalytic activity of AlSBA-3 mesoporous catalyst having variable silicon-to-aluminum ratios
title Synthesis, characterization and catalytic activity of AlSBA-3 mesoporous catalyst having variable silicon-to-aluminum ratios
spellingShingle Synthesis, characterization and catalytic activity of AlSBA-3 mesoporous catalyst having variable silicon-to-aluminum ratios
Martinez, Maria Laura
ACID SITES
ALSBA-3
ALUMINUM INCORPORATION
ISOPROPANOL DEHYDRATION
STRENGTH ACIDITY
title_short Synthesis, characterization and catalytic activity of AlSBA-3 mesoporous catalyst having variable silicon-to-aluminum ratios
title_full Synthesis, characterization and catalytic activity of AlSBA-3 mesoporous catalyst having variable silicon-to-aluminum ratios
title_fullStr Synthesis, characterization and catalytic activity of AlSBA-3 mesoporous catalyst having variable silicon-to-aluminum ratios
title_full_unstemmed Synthesis, characterization and catalytic activity of AlSBA-3 mesoporous catalyst having variable silicon-to-aluminum ratios
title_sort Synthesis, characterization and catalytic activity of AlSBA-3 mesoporous catalyst having variable silicon-to-aluminum ratios
dc.creator.none.fl_str_mv Martinez, Maria Laura
Gómez Costa, Marcos Bruno
Monti, Gustavo Alberto
Anunziata, Oscar Alfredo
author Martinez, Maria Laura
author_facet Martinez, Maria Laura
Gómez Costa, Marcos Bruno
Monti, Gustavo Alberto
Anunziata, Oscar Alfredo
author_role author
author2 Gómez Costa, Marcos Bruno
Monti, Gustavo Alberto
Anunziata, Oscar Alfredo
author2_role author
author
author
dc.subject.none.fl_str_mv ACID SITES
ALSBA-3
ALUMINUM INCORPORATION
ISOPROPANOL DEHYDRATION
STRENGTH ACIDITY
topic ACID SITES
ALSBA-3
ALUMINUM INCORPORATION
ISOPROPANOL DEHYDRATION
STRENGTH ACIDITY
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.4
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv AlSBA-3 mesoporous catalytic materials with different Si/Al ratios were synthesized; Al was incorporated in the mesoporous structure using the post-synthesis method. The catalysts were characterized using different techniques and methods, such as: XRD, BET, ICP, SEM microcopy, TEM microscopy and 27Al MAS NMR. Acidic properties were estimated by adsorption-desorption using pyridine as probe molecule followed by FTIR spectroscopy. FTIR studies showed the acidic properties with aluminum incorporation; lower Si/Al ratios increase the number of acid sites. Temperature-programmed desorption of pyridine showed that AlSBA-3 has a higher number of strong acid sites compared to other mesoporous materials such as Al-MCM-41, Al-SBA-15 and Al-SBA-16. It has been observed by 27Al MAS NMR spectroscopy, that the materials exhibit peaks with shifts of 50 ± 2 ppm and weak signal at 0 ± 2 ppm. The AlSBA-3 materials used as a catalyst showed high performance in the acid-catalyzed dehydration of isopropanol.
Fil: Martinez, Maria Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Tecnología Química. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Tecnología Química; Argentina
Fil: Gómez Costa, Marcos Bruno. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Tecnología Química. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Tecnología Química; Argentina
Fil: Monti, Gustavo Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; Argentina
Fil: Anunziata, Oscar Alfredo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Tecnología Química. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Tecnología Química; Argentina
description AlSBA-3 mesoporous catalytic materials with different Si/Al ratios were synthesized; Al was incorporated in the mesoporous structure using the post-synthesis method. The catalysts were characterized using different techniques and methods, such as: XRD, BET, ICP, SEM microcopy, TEM microscopy and 27Al MAS NMR. Acidic properties were estimated by adsorption-desorption using pyridine as probe molecule followed by FTIR spectroscopy. FTIR studies showed the acidic properties with aluminum incorporation; lower Si/Al ratios increase the number of acid sites. Temperature-programmed desorption of pyridine showed that AlSBA-3 has a higher number of strong acid sites compared to other mesoporous materials such as Al-MCM-41, Al-SBA-15 and Al-SBA-16. It has been observed by 27Al MAS NMR spectroscopy, that the materials exhibit peaks with shifts of 50 ± 2 ppm and weak signal at 0 ± 2 ppm. The AlSBA-3 materials used as a catalyst showed high performance in the acid-catalyzed dehydration of isopropanol.
publishDate 2011
dc.date.none.fl_str_mv 2011-10
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/11336/190367
Martinez, Maria Laura; Gómez Costa, Marcos Bruno; Monti, Gustavo Alberto; Anunziata, Oscar Alfredo; Synthesis, characterization and catalytic activity of AlSBA-3 mesoporous catalyst having variable silicon-to-aluminum ratios; Elsevier Science; Microporous and Mesoporous Materials; 144; 1-3; 10-2011; 183-190
1387-1811
CONICET Digital
CONICET
url http://hdl.handle.net/11336/190367
identifier_str_mv Martinez, Maria Laura; Gómez Costa, Marcos Bruno; Monti, Gustavo Alberto; Anunziata, Oscar Alfredo; Synthesis, characterization and catalytic activity of AlSBA-3 mesoporous catalyst having variable silicon-to-aluminum ratios; Elsevier Science; Microporous and Mesoporous Materials; 144; 1-3; 10-2011; 183-190
1387-1811
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1387181111001764
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.micromeso.2011.04.010
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
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
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score 12.982451

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