Thermodynamic analysis of the kinetics reactions of the production of FAME and FAEE using Novozyme 435 as catalyst

Detalhes bibliográficos
Autor(a) principal: Ferrão-Gonzales, Astria Dias
Data de Publicação: 2011
Outros Autores: Véras, Ilvania Costa, Silva, Frederico Augusto Lima, Alvarez, Heiddy Márquez, Moreau, Vitor Hugo
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/5464
Resumo: Acesso restrito: Texto completo. p. 1007-1011.
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spelling Ferrão-Gonzales, Astria DiasVéras, Ilvania CostaSilva, Frederico Augusto LimaAlvarez, Heiddy MárquezMoreau, Vitor HugoFerrão-Gonzales, Astria DiasVéras, Ilvania CostaSilva, Frederico Augusto LimaAlvarez, Heiddy MárquezMoreau, Vitor Hugo2012-02-27T11:10:50Z20110378-3820http://www.repositorio.ufba.br/ri/handle/ri/5464v. 92, n. 5.Acesso restrito: Texto completo. p. 1007-1011.Biodiesel is a biofuel expected to become a substitute for petroleum diesel. One of the most promising technologies for production of biodiesel is enzymatic catalysis. However, low catalytic performance of most of the enzymes employed makes such processes expensive and time-consuming. This work describes a kinetic study of the enzymatic production of biodiesel at different temperatures using either methanolysis or ethanolysis, using immobilized lipase from Candida antarctica (Novozym 435) as catalyst. Reactions kinetics were followed by GC, and data were used to perform thermodynamic analysis of the transition state using Arrhenius equation. We found that methanolysis is faster than ethanolysis at temperatures above 13 °C. Thermodynamic analysis of the kinetics of reactions showed that methanol is favored as acyl acceptor due to the positive activation entropy change of reaction. These data may be useful in the development of new enzymes and new processes for enzymatic production of biodiesel.Submitted by JURANDI DE SOUZA SILVA (jssufba@hotmail.com) on 2012-02-27T11:10:50Z No. of bitstreams: 1 __pdn.sciencedirect.com_....0-S037838201000425X-main.pdf: 212125 bytes, checksum: 30b49715cfa226d062671c63037fa85e (MD5)Made available in DSpace on 2012-02-27T11:10:50Z (GMT). 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dc.title.pt_BR.fl_str_mv Thermodynamic analysis of the kinetics reactions of the production of FAME and FAEE using Novozyme 435 as catalyst
dc.title.alternative.pt_BR.fl_str_mv Fuel Processing Technology
title Thermodynamic analysis of the kinetics reactions of the production of FAME and FAEE using Novozyme 435 as catalyst
spellingShingle Thermodynamic analysis of the kinetics reactions of the production of FAME and FAEE using Novozyme 435 as catalyst
Ferrão-Gonzales, Astria Dias
Biodiesel
Biocatalysis
Lipase
Activation entropy
Kinetics
title_short Thermodynamic analysis of the kinetics reactions of the production of FAME and FAEE using Novozyme 435 as catalyst
title_full Thermodynamic analysis of the kinetics reactions of the production of FAME and FAEE using Novozyme 435 as catalyst
title_fullStr Thermodynamic analysis of the kinetics reactions of the production of FAME and FAEE using Novozyme 435 as catalyst
title_full_unstemmed Thermodynamic analysis of the kinetics reactions of the production of FAME and FAEE using Novozyme 435 as catalyst
title_sort Thermodynamic analysis of the kinetics reactions of the production of FAME and FAEE using Novozyme 435 as catalyst
author Ferrão-Gonzales, Astria Dias
author_facet Ferrão-Gonzales, Astria Dias
Véras, Ilvania Costa
Silva, Frederico Augusto Lima
Alvarez, Heiddy Márquez
Moreau, Vitor Hugo
author_role author
author2 Véras, Ilvania Costa
Silva, Frederico Augusto Lima
Alvarez, Heiddy Márquez
Moreau, Vitor Hugo
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Ferrão-Gonzales, Astria Dias
Véras, Ilvania Costa
Silva, Frederico Augusto Lima
Alvarez, Heiddy Márquez
Moreau, Vitor Hugo
Ferrão-Gonzales, Astria Dias
Véras, Ilvania Costa
Silva, Frederico Augusto Lima
Alvarez, Heiddy Márquez
Moreau, Vitor Hugo
dc.subject.por.fl_str_mv Biodiesel
Biocatalysis
Lipase
Activation entropy
Kinetics
topic Biodiesel
Biocatalysis
Lipase
Activation entropy
Kinetics
description Acesso restrito: Texto completo. p. 1007-1011.
publishDate 2011
dc.date.issued.fl_str_mv 2011
dc.date.accessioned.fl_str_mv 2012-02-27T11:10:50Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.repositorio.ufba.br/ri/handle/ri/5464
dc.identifier.issn.none.fl_str_mv 0378-3820
dc.identifier.number.pt_BR.fl_str_mv v. 92, n. 5.
identifier_str_mv 0378-3820
v. 92, n. 5.
url http://www.repositorio.ufba.br/ri/handle/ri/5464
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.pt_BR.fl_str_mv DOI: 10.1016/j.fuproc.2010.12.023
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
instname:Universidade Federal da Bahia (UFBA)
instacron:UFBA
instname_str Universidade Federal da Bahia (UFBA)
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institution UFBA
reponame_str Repositório Institucional da UFBA
collection Repositório Institucional da UFBA
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