Enhancement of the activity of Pd/C catalysts in aqueous phase hydrodechlorination through doping of carbon supports

The enhancement of the activity of Pd catalysts for aqueous phase hydrodechlorination (HDC) was studied using N-doped tailored supports. N-Doped (1-1.7 wt% N) and non-doped mesoporous carbon materials with equivalent pore structures were prepared via templating with MSU-F silica. At 30 °C, doping of...

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Autores: Ruiz-García, Cristina, Heras Muñoz, Francisco, Alonso Morales, Noelia, Calvo Hernández, Luisa, Rodríguez Jiménez, Juan José, Gilarranz Redondo, Miguel Ángel
Tipo de recurso: artículo
Fecha de publicación:2018
País:España
Institución:Universidad Autónoma de Madrid
Repositorio:Biblos-e Archivo. Repositorio Institucional de la UAM
Idioma:inglés
OAI Identifier:oai:repositorio.uam.es:10486/699983
Acceso en línea:http://hdl.handle.net/10486/699983
https://dx.doi.org/10.1039/c8cy00384j
Access Level:acceso abierto
Palabra clave:Activation energy
Carbon
Doping (additives)
Nitrogen
Silica
Hydrodechlorination
Reaction temperature
Química
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spelling Enhancement of the activity of Pd/C catalysts in aqueous phase hydrodechlorination through doping of carbon supportsRuiz-García, CristinaHeras Muñoz, FranciscoAlonso Morales, NoeliaCalvo Hernández, LuisaRodríguez Jiménez, Juan JoséGilarranz Redondo, Miguel ÁngelActivation energyCarbonDoping (additives)NitrogenSilicaHydrodechlorinationReaction temperatureQuímicaThe enhancement of the activity of Pd catalysts for aqueous phase hydrodechlorination (HDC) was studied using N-doped tailored supports. N-Doped (1-1.7 wt% N) and non-doped mesoporous carbon materials with equivalent pore structures were prepared via templating with MSU-F silica. At 30 °C, doping of the support resulted in a higher catalytic activity (26 vs. 49 mmol g-1 Pd min-1 for non-doped and doped supports, respectively) in the removal of 4-chlorophenol from water. However, the activity of the catalyst with non-doped carbon supports increased more with reaction temperature, even being the most active at 70 °C (131 vs. 102 mmol g-1 Pd min-1 for non-doped and doped supports, respectively). The activation energy of the process was found to decrease from 32 to 16 kJ mol-1 due to nitrogen doping of the support. Nitrogen doping of the carbon support is an interesting strategy to prepare catalysts with high HDC activity under mild temperature conditions, whereas non-doped supports are more convenient for the intensification of the process by increasing the reaction temperatureThe authors acknowledge Hexion Speciality Chemicals Iberica S.A. for providing them with the resol resin Bakelite® PF9934 FL. The authors acknowledge financial support (CTQ2012-32821, CTQ2015-65491_R) and C. Ruiz-García the PhD grant (BES-2013-066085) from MINECORoyal Society of ChemistryDepartamento de Ingeniería QuímicaFacultad de CienciasUAM. Departamento de Ingeniería Química20182018-04-09research articlehttp://purl.org/coar/resource_type/c_2df8fbb1AMhttp://purl.org/coar/version/c_ab4af688f83e57aainfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10486/699983https://dx.doi.org/10.1039/c8cy00384jreponame:Biblos-e Archivo. Repositorio Institucional de la UAMinstname:Universidad Autónoma de MadridInglésengopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:repositorio.uam.es:10486/6999832026-06-23T12:46:27Z
dc.title.none.fl_str_mv Enhancement of the activity of Pd/C catalysts in aqueous phase hydrodechlorination through doping of carbon supports
title Enhancement of the activity of Pd/C catalysts in aqueous phase hydrodechlorination through doping of carbon supports
spellingShingle Enhancement of the activity of Pd/C catalysts in aqueous phase hydrodechlorination through doping of carbon supports
Ruiz-García, Cristina
Activation energy
Carbon
Doping (additives)
Nitrogen
Silica
Hydrodechlorination
Reaction temperature
Química
title_short Enhancement of the activity of Pd/C catalysts in aqueous phase hydrodechlorination through doping of carbon supports
title_full Enhancement of the activity of Pd/C catalysts in aqueous phase hydrodechlorination through doping of carbon supports
title_fullStr Enhancement of the activity of Pd/C catalysts in aqueous phase hydrodechlorination through doping of carbon supports
title_full_unstemmed Enhancement of the activity of Pd/C catalysts in aqueous phase hydrodechlorination through doping of carbon supports
title_sort Enhancement of the activity of Pd/C catalysts in aqueous phase hydrodechlorination through doping of carbon supports
dc.creator.none.fl_str_mv Ruiz-García, Cristina
Heras Muñoz, Francisco
Alonso Morales, Noelia
Calvo Hernández, Luisa
Rodríguez Jiménez, Juan José
Gilarranz Redondo, Miguel Ángel
author Ruiz-García, Cristina
author_facet Ruiz-García, Cristina
Heras Muñoz, Francisco
Alonso Morales, Noelia
Calvo Hernández, Luisa
Rodríguez Jiménez, Juan José
Gilarranz Redondo, Miguel Ángel
author_role author
author2 Heras Muñoz, Francisco
Alonso Morales, Noelia
Calvo Hernández, Luisa
Rodríguez Jiménez, Juan José
Gilarranz Redondo, Miguel Ángel
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Departamento de Ingeniería Química
Facultad de Ciencias
UAM. Departamento de Ingeniería Química
dc.subject.none.fl_str_mv Activation energy
Carbon
Doping (additives)
Nitrogen
Silica
Hydrodechlorination
Reaction temperature
Química
topic Activation energy
Carbon
Doping (additives)
Nitrogen
Silica
Hydrodechlorination
Reaction temperature
Química
description The enhancement of the activity of Pd catalysts for aqueous phase hydrodechlorination (HDC) was studied using N-doped tailored supports. N-Doped (1-1.7 wt% N) and non-doped mesoporous carbon materials with equivalent pore structures were prepared via templating with MSU-F silica. At 30 °C, doping of the support resulted in a higher catalytic activity (26 vs. 49 mmol g-1 Pd min-1 for non-doped and doped supports, respectively) in the removal of 4-chlorophenol from water. However, the activity of the catalyst with non-doped carbon supports increased more with reaction temperature, even being the most active at 70 °C (131 vs. 102 mmol g-1 Pd min-1 for non-doped and doped supports, respectively). The activation energy of the process was found to decrease from 32 to 16 kJ mol-1 due to nitrogen doping of the support. Nitrogen doping of the carbon support is an interesting strategy to prepare catalysts with high HDC activity under mild temperature conditions, whereas non-doped supports are more convenient for the intensification of the process by increasing the reaction temperature
publishDate 2018
dc.date.none.fl_str_mv 2018
2018-04-09
dc.type.none.fl_str_mv research article
http://purl.org/coar/resource_type/c_2df8fbb1
AM
http://purl.org/coar/version/c_ab4af688f83e57aa
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10486/699983
https://dx.doi.org/10.1039/c8cy00384j
url http://hdl.handle.net/10486/699983
https://dx.doi.org/10.1039/c8cy00384j
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Royal Society of Chemistry
publisher.none.fl_str_mv Royal Society of Chemistry
dc.source.none.fl_str_mv reponame:Biblos-e Archivo. Repositorio Institucional de la UAM
instname:Universidad Autónoma de Madrid
instname_str Universidad Autónoma de Madrid
reponame_str Biblos-e Archivo. Repositorio Institucional de la UAM
collection Biblos-e Archivo. Repositorio Institucional de la UAM
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869405650053758976
score 15.301603

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