Preparation, characterisation and evaluation of brazilian clay-based catalysts for use in esterification reactions

Detalhes bibliográficos
Autor(a) principal: Rezende,Michelle J. C.
Data de Publicação: 2012
Outros Autores: Pereira,Mírian S. C., Santos,Gabriel F. N., Aroeira,Gabriel O. P., Albuquerque Jr.,Tiago C., Suarez,Paulo A. Z., Pinto,Angelo C.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Journal of the Brazilian Chemical Society (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532012000700003
Resumo: Natural Brazilian clay-based catalysts were prepared, characterised, and their catalytic activity was assessed in esterification reactions. The natural clays were acid activated as received, without any previous treatment. Both natural and acid-activated clays were characterised by XRD, NH3-TPD, thermodesorption of n-butylamine, N2 adsorption analysis, FT-IR, TGA and DTA. The catalytic performance was investigated in the esterification of several carboxylic acids with different alcohols. The reactions were carried out in a 1:3 carboxylic acid/alcohol molar ratio at 100 ºC and atmospheric pressure for 3 h. The acid-activated clays provided good yields and better performance than commercial clay K10.
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spelling Preparation, characterisation and evaluation of brazilian clay-based catalysts for use in esterification reactionsacid activationclaysmectiteesterificationNatural Brazilian clay-based catalysts were prepared, characterised, and their catalytic activity was assessed in esterification reactions. The natural clays were acid activated as received, without any previous treatment. Both natural and acid-activated clays were characterised by XRD, NH3-TPD, thermodesorption of n-butylamine, N2 adsorption analysis, FT-IR, TGA and DTA. The catalytic performance was investigated in the esterification of several carboxylic acids with different alcohols. The reactions were carried out in a 1:3 carboxylic acid/alcohol molar ratio at 100 ºC and atmospheric pressure for 3 h. The acid-activated clays provided good yields and better performance than commercial clay K10.Sociedade Brasileira de Química2012-07-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532012000700003Journal of the Brazilian Chemical Society v.23 n.7 2012reponame:Journal of the Brazilian Chemical Society (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0103-50532012000700003info:eu-repo/semantics/openAccessRezende,Michelle J. C.Pereira,Mírian S. C.Santos,Gabriel F. N.Aroeira,Gabriel O. P.Albuquerque Jr.,Tiago C.Suarez,Paulo A. Z.Pinto,Angelo C.eng2012-08-03T00:00:00Zoai:scielo:S0103-50532012000700003Revistahttp://jbcs.sbq.org.brONGhttps://old.scielo.br/oai/scielo-oai.php||office@jbcs.sbq.org.br1678-47900103-5053opendoar:2012-08-03T00:00Journal of the Brazilian Chemical Society (Online) - Sociedade Brasileira de Química (SBQ)false
dc.title.none.fl_str_mv Preparation, characterisation and evaluation of brazilian clay-based catalysts for use in esterification reactions
title Preparation, characterisation and evaluation of brazilian clay-based catalysts for use in esterification reactions
spellingShingle Preparation, characterisation and evaluation of brazilian clay-based catalysts for use in esterification reactions
Rezende,Michelle J. C.
acid activation
clay
smectite
esterification
title_short Preparation, characterisation and evaluation of brazilian clay-based catalysts for use in esterification reactions
title_full Preparation, characterisation and evaluation of brazilian clay-based catalysts for use in esterification reactions
title_fullStr Preparation, characterisation and evaluation of brazilian clay-based catalysts for use in esterification reactions
title_full_unstemmed Preparation, characterisation and evaluation of brazilian clay-based catalysts for use in esterification reactions
title_sort Preparation, characterisation and evaluation of brazilian clay-based catalysts for use in esterification reactions
author Rezende,Michelle J. C.
author_facet Rezende,Michelle J. C.
Pereira,Mírian S. C.
Santos,Gabriel F. N.
Aroeira,Gabriel O. P.
Albuquerque Jr.,Tiago C.
Suarez,Paulo A. Z.
Pinto,Angelo C.
author_role author
author2 Pereira,Mírian S. C.
Santos,Gabriel F. N.
Aroeira,Gabriel O. P.
Albuquerque Jr.,Tiago C.
Suarez,Paulo A. Z.
Pinto,Angelo C.
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv Rezende,Michelle J. C.
Pereira,Mírian S. C.
Santos,Gabriel F. N.
Aroeira,Gabriel O. P.
Albuquerque Jr.,Tiago C.
Suarez,Paulo A. Z.
Pinto,Angelo C.
dc.subject.por.fl_str_mv acid activation
clay
smectite
esterification
topic acid activation
clay
smectite
esterification
description Natural Brazilian clay-based catalysts were prepared, characterised, and their catalytic activity was assessed in esterification reactions. The natural clays were acid activated as received, without any previous treatment. Both natural and acid-activated clays were characterised by XRD, NH3-TPD, thermodesorption of n-butylamine, N2 adsorption analysis, FT-IR, TGA and DTA. The catalytic performance was investigated in the esterification of several carboxylic acids with different alcohols. The reactions were carried out in a 1:3 carboxylic acid/alcohol molar ratio at 100 ºC and atmospheric pressure for 3 h. The acid-activated clays provided good yields and better performance than commercial clay K10.
publishDate 2012
dc.date.none.fl_str_mv 2012-07-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532012000700003
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532012000700003
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S0103-50532012000700003
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira de Química
publisher.none.fl_str_mv Sociedade Brasileira de Química
dc.source.none.fl_str_mv Journal of the Brazilian Chemical Society v.23 n.7 2012
reponame:Journal of the Brazilian Chemical Society (Online)
instname:Sociedade Brasileira de Química (SBQ)
instacron:SBQ
instname_str Sociedade Brasileira de Química (SBQ)
instacron_str SBQ
institution SBQ
reponame_str Journal of the Brazilian Chemical Society (Online)
collection Journal of the Brazilian Chemical Society (Online)
repository.name.fl_str_mv Journal of the Brazilian Chemical Society (Online) - Sociedade Brasileira de Química (SBQ)
repository.mail.fl_str_mv ||office@jbcs.sbq.org.br
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