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Phosphorus effect on Co//Mo and Ni//Mo synergism in hydrodesulphurization catalysts
| Indexado |
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| DOI | 10.1016/J.APCATA.2009.05.026 | ||||
| Año | 2009 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
The influence of P concentration on the synergism between Co/gamma-Al2O3 or Ni/gamma-Al2O3 and Mo/gamma-Al2O3 stacked beds separated by a 3-mm stack of P-x/gamma-Al2O3 is studied in the hydrodesulphurization of gasoil under operating conditions similar to those of industry. The results shown increased Co//Mo and Ni//Mo synergism related to changes in zero point of charge (ZPC), acid strength, and band intensities of diffuse reflectance infrared Fourier transform (DRIFT) spectroscopy due to the incorporation of P into the gamma-Al2O3 used as separator. (C) 2009 Elsevier B.V. All rights reserved.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | VILLARROEL-JORQUERA, MIRZA VICTORIA | Hombre |
Universidad de Santiago de Chile - Chile
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| 2 | BAEZA-CHANDIA, PATRICIO FRANCISCO | Hombre |
Pontificia Universidad Católica de Valparaíso - Chile
|
| 3 | GRACIA-CAROCA, FRANCISCO JAVIER | Hombre |
Universidad de Chile - Chile
|
| 4 | ESCALONA-BURGOS, NESTOR GUILLERMO | Hombre |
Universidad de Concepción - Chile
|
| 5 | AVILA-GARCIA, PEDRO | Hombre |
CSIC - España
CSIC - Instituto de Catálisis y Petroleoquímica (ICP) - España CSIC - Instituto de Catálisis y Petroleoquímica (ICP) - España |
| 6 | GIL-LLAMBÍAS, F. J. | Hombre |
Universidad de Santiago de Chile - Chile
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| Fuente |
|---|
| CONICYT-Chile |
| Fondo Nacional de Desarrollo Científico y Tecnológico |
| FONDECYT (Chile) |
| Universidad de Santiago de Chile |
| Fondo Nacional de Desarrollo CientÃfico y Tecnológico |
| CAM |
| Scientific Cooperation Program CSIC (Spain)-USACH (Chile) |
| Scientific Cooperation Program CSIC |
| Agradecimiento |
|---|
| We gratefully acknowledge financial support by FONDECYT (Chile), grants 1060029, the CAM (Program S0505/AMB/0406) and the Scientific Cooperation Program CSIC (Spain)-USACH (Chile) (Project 2006CL00018). One of the authors (M.V.) wishes to acknowledge to CONICYT-Chile for her Ph.D. scholarship and fellowship AT-24080088. |
| We gratefully acknowledge financial support by FONDECYT (Chile), grants 1060029, the CAM (Program S0505/AMB/0406) and the Scientific Cooperation Program CSIC (Spain)—USACH (Chile) (Project 2006CL00018). One of the authors (M.V.) wishes to acknowledge to CONICYT-Chile for her Ph.D. scholarship and fellowship AT-24080088. |
