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Kinetic analysis of batch ethanol acetylation in isothermal non-stationary multiphase systems by lyophilized mycelium of Aspergillus oryzae
Palazzi, Emilio; Molinari, Francesco; Fabiano, Bruno; Pessoa Júnior, Adalberto; Converti, Attilio.
Afiliación
  • Palazzi, Emilio; University of Genoa. Department of Chemical and Process Engineering. IT
  • Molinari, Francesco; University of Milan. Department of Food and Microbiological Science and Technology. IT
  • Fabiano, Bruno; University of Genoa. Department of Chemical and Process Engineering. IT
  • Pessoa Júnior, Adalberto; Universidade de São Paulo. Departamento de Tecnologia Bioquímico-Farmacêutica. BR
  • Converti, Attilio; University of Genoa. Department of Chemical and Process Engineering. IT
Braz. j. microbiol ; Braz. j. microbiol;42(1): 388-393, Jan.-Mar. 2011. ilus, tab
Article en En | LILACS | ID: lil-571413
Biblioteca responsable: BR32.1
ABSTRACT
A relatively complex network of reactions has been investigated, using as a network model the isothermal batch esterification of acetic acid with ethanol in n-heptane catalyzed by lyophilized mycelium of Aspergillus oryzae. The kinetic analysis was firstly carried out on the whole system, without any simplification, by means of the well-known integral method. Owing to the poor results obtained by this way, we developed an alternative approach, combining initial rates and integral analysis and reducing the number of empirical parameters to be determined by the use of equilibrium data. All the values of the parameters calculated according to this "composite" approach to kinetic analysis well correlate with experimental data.
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Texto completo: 1 Colección: 01-internacional Base de datos: LILACS Asunto principal: Acetil-CoA C-Acetiltransferasa / Aspergillus oryzae / Solventes / Micelio / Etanol / Activación Enzimática Idioma: En Revista: Braz. j. microbiol Asunto de la revista: MICROBIOLOGIA Año: 2011 Tipo del documento: Article País de afiliación: Brasil / Italia Pais de publicación: Brasil
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Texto completo: 1 Colección: 01-internacional Base de datos: LILACS Asunto principal: Acetil-CoA C-Acetiltransferasa / Aspergillus oryzae / Solventes / Micelio / Etanol / Activación Enzimática Idioma: En Revista: Braz. j. microbiol Asunto de la revista: MICROBIOLOGIA Año: 2011 Tipo del documento: Article País de afiliación: Brasil / Italia Pais de publicación: Brasil