Catalytic oxidation of 2-(methylthio)-benzothiazole on alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba)

Autores
Salinas, Daniela A.; Leal Marchena, Candelaria; Pierella, Liliana Beatriz; Pecchi Sanchez, Gina Angela
Año de publicación
2017
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The effect of the nature of the A-cation in alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba), and the calcination temperature (600 °C, 700 °C) on the catalytic performance for the oxidation of 2-(methylthio)-benzothiazole is reported. The solids were characterized by nitrogen adsorption isotherms, powder X-ray diffraction, O2 temperature-programmed desorption, temperature-programmed reduction, Fourier transform infrared spectroscopy, and diffuse reflectance spectroscopy/UV–vis techniques. A larger extent of the perovskite-type structure was obtained for the alkaline earth titanates at a calcination temperature of 700 °C. The increases in the catalytic oxidation with the ionic ratio of the A-cation (BaTiO3 > SrTiO3 > CaTiO3) was attributed to the well-defined perovskite structure with a lower extent of segregated phases. For the catalysts calcined at 700 °C, a larger conversion level (>75 mol%) and selectivity towards the corresponding sulfone (>95 mol%) was achieved at a reaction temperature of 60 °C using H2O2 (30%) as an oxidant. BaTiO3 calcined at 700 °C, provided the better catalytic performance and no activity loss after four reuses, indicative of the largest stability in the reaction medium.
Fil: Salinas, Daniela A.. Universidad de Concepción; Chile. Universidad del Bío-Bío. Concepción; Chile
Fil: Leal Marchena, Candelaria. 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: Pierella, Liliana Beatriz. 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: Pecchi Sanchez, Gina Angela. Universidad de Concepción; Chile
Materia
Benzothiazole
Alkaline Titanates
Perovskite
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:11336/31974
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/31974
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Catalytic oxidation of 2-(methylthio)-benzothiazole on alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba)Salinas, Daniela A.Leal Marchena, CandelariaPierella, Liliana BeatrizPecchi Sanchez, Gina AngelaBenzothiazoleAlkaline TitanatesPerovskitehttps://purl.org/becyt/ford/2.4https://purl.org/becyt/ford/2The effect of the nature of the A-cation in alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba), and the calcination temperature (600 °C, 700 °C) on the catalytic performance for the oxidation of 2-(methylthio)-benzothiazole is reported. The solids were characterized by nitrogen adsorption isotherms, powder X-ray diffraction, O2 temperature-programmed desorption, temperature-programmed reduction, Fourier transform infrared spectroscopy, and diffuse reflectance spectroscopy/UV–vis techniques. A larger extent of the perovskite-type structure was obtained for the alkaline earth titanates at a calcination temperature of 700 °C. The increases in the catalytic oxidation with the ionic ratio of the A-cation (BaTiO3 > SrTiO3 > CaTiO3) was attributed to the well-defined perovskite structure with a lower extent of segregated phases. For the catalysts calcined at 700 °C, a larger conversion level (>75 mol%) and selectivity towards the corresponding sulfone (>95 mol%) was achieved at a reaction temperature of 60 °C using H2O2 (30%) as an oxidant. BaTiO3 calcined at 700 °C, provided the better catalytic performance and no activity loss after four reuses, indicative of the largest stability in the reaction medium.Fil: Salinas, Daniela A.. Universidad de Concepción; Chile. Universidad del Bío-Bío. Concepción; ChileFil: Leal Marchena, Candelaria. 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: Pierella, Liliana Beatriz. 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: Pecchi Sanchez, Gina Angela. Universidad de Concepción; ChileElsevier Science2017-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/31974Pecchi Sanchez, Gina Angela; Pierella, Liliana Beatriz; Leal Marchena, Candelaria; Salinas, Daniela A.; Catalytic oxidation of 2-(methylthio)-benzothiazole on alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba); Elsevier Science; Molecular Catalysis; 438; 5-2017; 76-852468-8231CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.mcat.2017.05.019info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S2468823117302857info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:40:15Zoai:ri.conicet.gov.ar:11336/31974instacron: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 09:40:15.904CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Catalytic oxidation of 2-(methylthio)-benzothiazole on alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba)
title Catalytic oxidation of 2-(methylthio)-benzothiazole on alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba)
spellingShingle Catalytic oxidation of 2-(methylthio)-benzothiazole on alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba)
Salinas, Daniela A.
Benzothiazole
Alkaline Titanates
Perovskite
title_short Catalytic oxidation of 2-(methylthio)-benzothiazole on alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba)
title_full Catalytic oxidation of 2-(methylthio)-benzothiazole on alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba)
title_fullStr Catalytic oxidation of 2-(methylthio)-benzothiazole on alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba)
title_full_unstemmed Catalytic oxidation of 2-(methylthio)-benzothiazole on alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba)
title_sort Catalytic oxidation of 2-(methylthio)-benzothiazole on alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba)
dc.creator.none.fl_str_mv Salinas, Daniela A.
Leal Marchena, Candelaria
Pierella, Liliana Beatriz
Pecchi Sanchez, Gina Angela
author Salinas, Daniela A.
author_facet Salinas, Daniela A.
Leal Marchena, Candelaria
Pierella, Liliana Beatriz
Pecchi Sanchez, Gina Angela
author_role author
author2 Leal Marchena, Candelaria
Pierella, Liliana Beatriz
Pecchi Sanchez, Gina Angela
author2_role author
author
author
dc.subject.none.fl_str_mv Benzothiazole
Alkaline Titanates
Perovskite
topic Benzothiazole
Alkaline Titanates
Perovskite
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 effect of the nature of the A-cation in alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba), and the calcination temperature (600 °C, 700 °C) on the catalytic performance for the oxidation of 2-(methylthio)-benzothiazole is reported. The solids were characterized by nitrogen adsorption isotherms, powder X-ray diffraction, O2 temperature-programmed desorption, temperature-programmed reduction, Fourier transform infrared spectroscopy, and diffuse reflectance spectroscopy/UV–vis techniques. A larger extent of the perovskite-type structure was obtained for the alkaline earth titanates at a calcination temperature of 700 °C. The increases in the catalytic oxidation with the ionic ratio of the A-cation (BaTiO3 > SrTiO3 > CaTiO3) was attributed to the well-defined perovskite structure with a lower extent of segregated phases. For the catalysts calcined at 700 °C, a larger conversion level (>75 mol%) and selectivity towards the corresponding sulfone (>95 mol%) was achieved at a reaction temperature of 60 °C using H2O2 (30%) as an oxidant. BaTiO3 calcined at 700 °C, provided the better catalytic performance and no activity loss after four reuses, indicative of the largest stability in the reaction medium.
Fil: Salinas, Daniela A.. Universidad de Concepción; Chile. Universidad del Bío-Bío. Concepción; Chile
Fil: Leal Marchena, Candelaria. 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: Pierella, Liliana Beatriz. 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: Pecchi Sanchez, Gina Angela. Universidad de Concepción; Chile
description The effect of the nature of the A-cation in alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba), and the calcination temperature (600 °C, 700 °C) on the catalytic performance for the oxidation of 2-(methylthio)-benzothiazole is reported. The solids were characterized by nitrogen adsorption isotherms, powder X-ray diffraction, O2 temperature-programmed desorption, temperature-programmed reduction, Fourier transform infrared spectroscopy, and diffuse reflectance spectroscopy/UV–vis techniques. A larger extent of the perovskite-type structure was obtained for the alkaline earth titanates at a calcination temperature of 700 °C. The increases in the catalytic oxidation with the ionic ratio of the A-cation (BaTiO3 > SrTiO3 > CaTiO3) was attributed to the well-defined perovskite structure with a lower extent of segregated phases. For the catalysts calcined at 700 °C, a larger conversion level (>75 mol%) and selectivity towards the corresponding sulfone (>95 mol%) was achieved at a reaction temperature of 60 °C using H2O2 (30%) as an oxidant. BaTiO3 calcined at 700 °C, provided the better catalytic performance and no activity loss after four reuses, indicative of the largest stability in the reaction medium.
publishDate 2017
dc.date.none.fl_str_mv 2017-05
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/11336/31974
Pecchi Sanchez, Gina Angela; Pierella, Liliana Beatriz; Leal Marchena, Candelaria; Salinas, Daniela A.; Catalytic oxidation of 2-(methylthio)-benzothiazole on alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba); Elsevier Science; Molecular Catalysis; 438; 5-2017; 76-85
2468-8231
CONICET Digital
CONICET
url http://hdl.handle.net/11336/31974
identifier_str_mv Pecchi Sanchez, Gina Angela; Pierella, Liliana Beatriz; Leal Marchena, Candelaria; Salinas, Daniela A.; Catalytic oxidation of 2-(methylthio)-benzothiazole on alkaline earth titanates, ATiO3 (A = Ca, Sr, Ba); Elsevier Science; Molecular Catalysis; 438; 5-2017; 76-85
2468-8231
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.mcat.2017.05.019
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S2468823117302857
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
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 13.070432

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