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Título: | Pt mechanical dispersion on non-porous alumina for soot oxidation |
Autor: | Álvarez-Docio, Carmen M.; Portela, Raquel CSIC ORCID CVN ; Jiménez Reinosa, Julián CSIC ORCID ; Rubio Marcos, Fernando CSIC ORCID; Fernández Lozano, José Francisco CSIC ORCID | Palabras clave: | Soot oxidation Platinum-based catalyst Nanodispersion Ball milling process |
Fecha de publicación: | 28-mar-2020 | Editor: | Elsevier BV | Citación: | Catalysis Communications 140 (2020) | Resumen: | A sustainable mechanical method to disperse Pt particles on the surface of non-porous α-AlO microparticles is reported. The hierarchical Pt/α-AlO catalyst possesses a metal specific surface area one order of magnitude lower than the state-of-the-art γ-AlO – supported Pt catalysts of similar metal composition and high alumina specific surface area. The relatively large size of the Pt particles seems to favor the catalytic soot oxidation in spite of their relatively low dispersion. As a result, the temperature of half conversion (T = 440 °C) is lower when compared with conventional Pt/γ-AlO prepared by the wet impregnation chemical synthesis route. | Versión del editor: | http://dx.doi.org/10.1016/j.catcom.2020.105999 | URI: | http://hdl.handle.net/10261/232970 | DOI: | 10.1016/j.catcom.2020.105999 | ISSN: | 1566-7367 |
Aparece en las colecciones: | (ICP) Artículos (ICV) Artículos |
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Alvarez_Docio-PtAl2O3_CatalComm_2020_vs_pub.pdf | 1,15 MB | Adobe PDF | Visualizar/Abrir |
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