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Título: | Scanning different Ni-noble metal (Pt, Pd, Ru) bimetallic nanoparticles supported on carbon nanofibers for one-pot cellobiose conversion |
Autor: | Frecha, Esther CSIC; Torres Gamarra, Daniel CSIC ORCID; Pueyo, A. CSIC; Suelves Laiglesia, Isabel CSIC ORCID ; Pinilla Ibarz, José Luis CSIC ORCID | Palabras clave: | Cellobiose Hydrolytic hydrogenation Carbon nanofibres Noble metals Nickel |
Fecha de publicación: | 15-ago-2019 | Editor: | Elsevier BV | Citación: | Applied Catalysis A - General 585: 117182 (2019) | Resumen: | The reduction of sugars to their hydrogenated form (sorbitol) emerges as an effective chemical way to enhance the productivity of cellulose depolymerization process. Nickel is not able to meet the activity and selectivity criteria when low metal contents are applied. A very promising alternative consist of Ni doping with noble metals. For this purpose, several carbon nanofibers (CNF) supported Ni-noble metal (Ru, Pt, Pd) catalysts were synthesized and tested in the hydrolytic hydrogenation of cellobiose (a cellulose model compound). The catalytic performance was compared with their monometallic counterparts and it was rationalized according to the characterization results. The Ru/CNF catalyst enabled the practically total hydrogenation of cellobiose, making unnecessary the Ni-Ru alloy formation. In turn, a remarkable synergic effect was noticed for the Ni-Pt/CNF and Ni-Pd/CNF combinations, as the yields to hydrogenation products (including cellobitol and sorbitol) exceeded the sum of the activity of their pure constituents. | Descripción: | 16 Figuras, 1 Tabla.-- Documentación suplementaria disponible en línea en la página web del editor.-- © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | Versión del editor: | http://dx.doi.org/10.1016/j.apcata.2019.117182 | URI: | http://hdl.handle.net/10261/189862 | DOI: | 10.1016/j.apcata.2019.117182 | ISSN: | 0926-860X |
Aparece en las colecciones: | (ICB) Artículos |
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Fichero | Descripción | Tamaño | Formato | |
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Post-print Frecha_APCATA.pdf | Artículo principal | 672,2 kB | Adobe PDF | Visualizar/Abrir |
APCATA Gral 585 117182 (2019)_info sup.pdf | Información suplementaria | 314,29 kB | Adobe PDF | Visualizar/Abrir |
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