Abstract:
The aim of this work is to study the behavior of Cu and Ni catalysts supported on praseodymium-doped ceria (PDC) for the WGS reaction. Samples were prepared by impregnation of several PDC supports (praseodymium content in the range 0-50 wt%) synthesized by the urea thermal decomposition method. Bare support and catalysts were characterized by BET, XRD, oxygen storage capacity and TPR. The activity tests were carried out in an atmospheric fixed bed reactor, using a CO/H2O/H2/N2 mixture as the feed stream. Doping of ceria with small loading of Pr increases the surface reducibility and the oxygen storage capacity of ceria. Nickel catalysts are more active than copper ones. In both cases, catalysts supported on PDC with 5 Pr wt% are more active than samples supported on pure ceria. Methanation, which is likely to occur on Ni catalysts, is moderated in samples supported on praseodymium-doped ceria. © 2013 Elsevier B.V. All rights reserved.
Registro:
| Documento: |
Artículo
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| Título: | Copper and nickel catalysts supported on praseodymium-doped ceria (PDC) for the water-gas shift reaction |
| Autor: | Poggio-Fraccari, E.; Mariño, F.; Laborde, M.; Baronetti, G. |
| Filiación: | Laboratorio de Procesos Catalíticos, DIQ-FI, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
|
| Palabras clave: | Ceria support; CO removal; Cu-Ni catalysts; Hydrogen; Praseodymium; CO removal; Copper and nickel catalysts; Cu-Ni catalysts; Fixed bed reactor; Oxygen storage capacity; Praseodymium-doped ceria; Thermal decomposition methods; Water-gas shift reaction (WGS); Chemical reactors; Copper; Decomposition; Hydrogen; Loading; Nickel; Oxygen; Praseodymium; Urea; Water gas shift; Catalyst supports |
| Año: | 2013
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| Volumen: | 460-461
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| Página de inicio: | 15
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| Página de fin: | 20
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| DOI: |
http://dx.doi.org/10.1016/j.apcata.2013.04.013 |
| Título revista: | Applied Catalysis A: General
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| Título revista abreviado: | Appl Catal A Gen
|
| ISSN: | 0926860X
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| CODEN: | ACAGE
|
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0926860X_v460-461_n_p15_PoggioFraccari |
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Citas:
---------- APA ----------
Poggio-Fraccari, E., Mariño, F., Laborde, M. & Baronetti, G.
(2013)
. Copper and nickel catalysts supported on praseodymium-doped ceria (PDC) for the water-gas shift reaction. Applied Catalysis A: General, 460-461, 15-20.
http://dx.doi.org/10.1016/j.apcata.2013.04.013---------- CHICAGO ----------
Poggio-Fraccari, E., Mariño, F., Laborde, M., Baronetti, G.
"Copper and nickel catalysts supported on praseodymium-doped ceria (PDC) for the water-gas shift reaction"
. Applied Catalysis A: General 460-461
(2013) : 15-20.
http://dx.doi.org/10.1016/j.apcata.2013.04.013---------- MLA ----------
Poggio-Fraccari, E., Mariño, F., Laborde, M., Baronetti, G.
"Copper and nickel catalysts supported on praseodymium-doped ceria (PDC) for the water-gas shift reaction"
. Applied Catalysis A: General, vol. 460-461, 2013, pp. 15-20.
http://dx.doi.org/10.1016/j.apcata.2013.04.013---------- VANCOUVER ----------
Poggio-Fraccari, E., Mariño, F., Laborde, M., Baronetti, G. Copper and nickel catalysts supported on praseodymium-doped ceria (PDC) for the water-gas shift reaction. Appl Catal A Gen. 2013;460-461:15-20.
http://dx.doi.org/10.1016/j.apcata.2013.04.013
