Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in a Liquid-liquid-solid Heterogeneous Reaction System

Autores
Campanella, Alejandrina; Baltanas, Miguel Angel
Año de publicación
2007
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The main oxirane-ring opening reactions that occur during the manufacture of epoxidized vegetable oils using a strongly acidic, gel-type ionexchange resin (IER) (Amberlite IR-120, 8% crosslinking) were analyzed. By using a heterogeneous liquid–liquid–solid model, the reactivity oneach phase was individually assessed, taking into account each transport step as well as the relevant partition equilibria.The combined results on the attack onto the oxirane ring of epoxidized vegetable oils by either hydrogen peroxide (H2O2) or solvated aceticacid (AA) indicate that under ‘regular’ process conditions these attacks proceed in the kinetic regime; that is, they are not mass-transfer controlled.The study indicated that most of the degradation occurs on the catalyst and, also, confirmed that the external surface protons of the IER are themain responsibles of the deleterious degradation of the oxirane ring as, in both cases, the degradation rate was directly proportional to the availableexternal area of the catalyst.
Fil: Campanella, Alejandrina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
Fil: Baltanas, Miguel Angel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
Materia
Degradation
Oxirane Ring
Liquid-Liquid Reaction System
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:11336/20892
Acceder
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network_acronym_str CONICETDig
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network_name_str CONICET Digital (CONICET)
spelling Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in a Liquid-liquid-solid Heterogeneous Reaction SystemCampanella, AlejandrinaBaltanas, Miguel AngelDegradationOxirane RingLiquid-Liquid Reaction Systemhttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1The main oxirane-ring opening reactions that occur during the manufacture of epoxidized vegetable oils using a strongly acidic, gel-type ionexchange resin (IER) (Amberlite IR-120, 8% crosslinking) were analyzed. By using a heterogeneous liquid–liquid–solid model, the reactivity oneach phase was individually assessed, taking into account each transport step as well as the relevant partition equilibria.The combined results on the attack onto the oxirane ring of epoxidized vegetable oils by either hydrogen peroxide (H2O2) or solvated aceticacid (AA) indicate that under ‘regular’ process conditions these attacks proceed in the kinetic regime; that is, they are not mass-transfer controlled.The study indicated that most of the degradation occurs on the catalyst and, also, confirmed that the external surface protons of the IER are themain responsibles of the deleterious degradation of the oxirane ring as, in both cases, the degradation rate was directly proportional to the availableexternal area of the catalyst.Fil: Campanella, Alejandrina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; ArgentinaFil: Baltanas, Miguel Angel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; ArgentinaElsevier Science Sa2007-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/20892Campanella, Alejandrina; Baltanas, Miguel Angel; Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in a Liquid-liquid-solid Heterogeneous Reaction System; Elsevier Science Sa; Chemical Engineering and Processing; 46; 3; 12-2007; 210-2210255-2701CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.cep.2006.06.001info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:03:33Zoai:ri.conicet.gov.ar:11336/20892instacron: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:34982025-09-03 10:03:33.484CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in a Liquid-liquid-solid Heterogeneous Reaction System
title Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in a Liquid-liquid-solid Heterogeneous Reaction System
spellingShingle Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in a Liquid-liquid-solid Heterogeneous Reaction System
Campanella, Alejandrina
Degradation
Oxirane Ring
Liquid-Liquid Reaction System
title_short Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in a Liquid-liquid-solid Heterogeneous Reaction System
title_full Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in a Liquid-liquid-solid Heterogeneous Reaction System
title_fullStr Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in a Liquid-liquid-solid Heterogeneous Reaction System
title_full_unstemmed Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in a Liquid-liquid-solid Heterogeneous Reaction System
title_sort Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in a Liquid-liquid-solid Heterogeneous Reaction System
dc.creator.none.fl_str_mv Campanella, Alejandrina
Baltanas, Miguel Angel
author Campanella, Alejandrina
author_facet Campanella, Alejandrina
Baltanas, Miguel Angel
author_role author
author2 Baltanas, Miguel Angel
author2_role author
dc.subject.none.fl_str_mv Degradation
Oxirane Ring
Liquid-Liquid Reaction System
topic Degradation
Oxirane Ring
Liquid-Liquid Reaction System
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The main oxirane-ring opening reactions that occur during the manufacture of epoxidized vegetable oils using a strongly acidic, gel-type ionexchange resin (IER) (Amberlite IR-120, 8% crosslinking) were analyzed. By using a heterogeneous liquid–liquid–solid model, the reactivity oneach phase was individually assessed, taking into account each transport step as well as the relevant partition equilibria.The combined results on the attack onto the oxirane ring of epoxidized vegetable oils by either hydrogen peroxide (H2O2) or solvated aceticacid (AA) indicate that under ‘regular’ process conditions these attacks proceed in the kinetic regime; that is, they are not mass-transfer controlled.The study indicated that most of the degradation occurs on the catalyst and, also, confirmed that the external surface protons of the IER are themain responsibles of the deleterious degradation of the oxirane ring as, in both cases, the degradation rate was directly proportional to the availableexternal area of the catalyst.
Fil: Campanella, Alejandrina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
Fil: Baltanas, Miguel Angel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
description The main oxirane-ring opening reactions that occur during the manufacture of epoxidized vegetable oils using a strongly acidic, gel-type ionexchange resin (IER) (Amberlite IR-120, 8% crosslinking) were analyzed. By using a heterogeneous liquid–liquid–solid model, the reactivity oneach phase was individually assessed, taking into account each transport step as well as the relevant partition equilibria.The combined results on the attack onto the oxirane ring of epoxidized vegetable oils by either hydrogen peroxide (H2O2) or solvated aceticacid (AA) indicate that under ‘regular’ process conditions these attacks proceed in the kinetic regime; that is, they are not mass-transfer controlled.The study indicated that most of the degradation occurs on the catalyst and, also, confirmed that the external surface protons of the IER are themain responsibles of the deleterious degradation of the oxirane ring as, in both cases, the degradation rate was directly proportional to the availableexternal area of the catalyst.
publishDate 2007
dc.date.none.fl_str_mv 2007-12
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/11336/20892
Campanella, Alejandrina; Baltanas, Miguel Angel; Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in a Liquid-liquid-solid Heterogeneous Reaction System; Elsevier Science Sa; Chemical Engineering and Processing; 46; 3; 12-2007; 210-221
0255-2701
CONICET Digital
CONICET
url http://hdl.handle.net/11336/20892
identifier_str_mv Campanella, Alejandrina; Baltanas, Miguel Angel; Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in a Liquid-liquid-solid Heterogeneous Reaction System; Elsevier Science Sa; Chemical Engineering and Processing; 46; 3; 12-2007; 210-221
0255-2701
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.cep.2006.06.001
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 Sa
publisher.none.fl_str_mv Elsevier Science Sa
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
_version_ 1842269806641807360
score 13.13397

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