Oxidation of toluene to benzaldehyde over VSb1-xTixO4 catalyst. Kinetics studies
In this work a kinetic study of the vapor phase oxidation of toluene by air using titanium doped vanadium antimonate as catalytic system, is reported. The catalytic tests were performed in an integral fixed-bed reactor operating at atmospheric pressure. From the results obtained in the introductory...
Guardado en:
| Autores principales: | , , |
|---|---|
| Formato: | SER |
| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_01672991_v130B_n_p1733_Barbaro |
| Aporte de: |
| id |
todo:paper_01672991_v130B_n_p1733_Barbaro |
|---|---|
| record_format |
dspace |
| spelling |
todo:paper_01672991_v130B_n_p1733_Barbaro2023-10-03T15:04:40Z Oxidation of toluene to benzaldehyde over VSb1-xTixO4 catalyst. Kinetics studies Barbaro, A. Larrondo, S. Amadeo, N. antimony benzaldehyde carbon oxide titanium toluene unclassified drug vanadium vanadium antimonate air atmospheric pressure catalyst chemical reaction kinetics conference paper fixed bed reactor metal binding nonlinear system oxidation oxidation kinetics partial oxidation phase transition pressure measurement process monitoring reaction analysis reactor operation regression analysis surface property vapor In this work a kinetic study of the vapor phase oxidation of toluene by air using titanium doped vanadium antimonate as catalytic system, is reported. The catalytic tests were performed in an integral fixed-bed reactor operating at atmospheric pressure. From the results obtained in the introductory kinetic tests, a kinetic scheme that considers the partial oxidation of toluene to benzaldehyde, a consecutive oxidation of benzaldehyde to carbon oxides and a parallel oxidation of toluene to carbon oxides, is proposed. The corresponding kinetic parameters are estimated using non-linear regression. There is a good fitting between the regression curves and the experimental data. The oxidation of toluene takes place on a partially reduced catalyst surface. The overall rate depends on the partial pressures of the reactants. The three steps of the kinetic mechanism have similar activation energies indicating that the same intermediate is involved. In the range of the operating conditions, there is no rate-controlling step. © 2000 Elsevier Science B. V. All rights reserved. SER info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_01672991_v130B_n_p1733_Barbaro |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
antimony benzaldehyde carbon oxide titanium toluene unclassified drug vanadium vanadium antimonate air atmospheric pressure catalyst chemical reaction kinetics conference paper fixed bed reactor metal binding nonlinear system oxidation oxidation kinetics partial oxidation phase transition pressure measurement process monitoring reaction analysis reactor operation regression analysis surface property vapor |
| spellingShingle |
antimony benzaldehyde carbon oxide titanium toluene unclassified drug vanadium vanadium antimonate air atmospheric pressure catalyst chemical reaction kinetics conference paper fixed bed reactor metal binding nonlinear system oxidation oxidation kinetics partial oxidation phase transition pressure measurement process monitoring reaction analysis reactor operation regression analysis surface property vapor Barbaro, A. Larrondo, S. Amadeo, N. Oxidation of toluene to benzaldehyde over VSb1-xTixO4 catalyst. Kinetics studies |
| topic_facet |
antimony benzaldehyde carbon oxide titanium toluene unclassified drug vanadium vanadium antimonate air atmospheric pressure catalyst chemical reaction kinetics conference paper fixed bed reactor metal binding nonlinear system oxidation oxidation kinetics partial oxidation phase transition pressure measurement process monitoring reaction analysis reactor operation regression analysis surface property vapor |
| description |
In this work a kinetic study of the vapor phase oxidation of toluene by air using titanium doped vanadium antimonate as catalytic system, is reported. The catalytic tests were performed in an integral fixed-bed reactor operating at atmospheric pressure. From the results obtained in the introductory kinetic tests, a kinetic scheme that considers the partial oxidation of toluene to benzaldehyde, a consecutive oxidation of benzaldehyde to carbon oxides and a parallel oxidation of toluene to carbon oxides, is proposed. The corresponding kinetic parameters are estimated using non-linear regression. There is a good fitting between the regression curves and the experimental data. The oxidation of toluene takes place on a partially reduced catalyst surface. The overall rate depends on the partial pressures of the reactants. The three steps of the kinetic mechanism have similar activation energies indicating that the same intermediate is involved. In the range of the operating conditions, there is no rate-controlling step. © 2000 Elsevier Science B. V. All rights reserved. |
| format |
SER |
| author |
Barbaro, A. Larrondo, S. Amadeo, N. |
| author_facet |
Barbaro, A. Larrondo, S. Amadeo, N. |
| author_sort |
Barbaro, A. |
| title |
Oxidation of toluene to benzaldehyde over VSb1-xTixO4 catalyst. Kinetics studies |
| title_short |
Oxidation of toluene to benzaldehyde over VSb1-xTixO4 catalyst. Kinetics studies |
| title_full |
Oxidation of toluene to benzaldehyde over VSb1-xTixO4 catalyst. Kinetics studies |
| title_fullStr |
Oxidation of toluene to benzaldehyde over VSb1-xTixO4 catalyst. Kinetics studies |
| title_full_unstemmed |
Oxidation of toluene to benzaldehyde over VSb1-xTixO4 catalyst. Kinetics studies |
| title_sort |
oxidation of toluene to benzaldehyde over vsb1-xtixo4 catalyst. kinetics studies |
| url |
http://hdl.handle.net/20.500.12110/paper_01672991_v130B_n_p1733_Barbaro |
| work_keys_str_mv |
AT barbaroa oxidationoftoluenetobenzaldehydeovervsb1xtixo4catalystkineticsstudies AT larrondos oxidationoftoluenetobenzaldehydeovervsb1xtixo4catalystkineticsstudies AT amadeon oxidationoftoluenetobenzaldehydeovervsb1xtixo4catalystkineticsstudies |
| _version_ |
1782024928962281472 |