Utilize este identificador para referenciar este registo: http://hdl.handle.net/10198/1694
Título: Carbon xerogel as catalytic support for noble metal based selective hydrogenation reactions
Autor: Machado, Bruno
Gomes, Helder
Serp, Philippe
Kalck, Philippe
Figueiredo, José
Faria, Joaquim
Data: 2007
Editora: Sociedade Portuguesa de Química
Citação: Machado, Bruno; Gomes, Helder; Serp, Philippe; Kalck, Philippe; Kalck, Philippe; Figueiredo, José; Faria, Joaquim (2007) - Carbon xerogel as catalytic support for noble metal based selective hydrogenation reactions. In 8º Encontro Nacional de Catálise e Materiais Porosos. Lamego.
Resumo: Nitric acid treated carbon xerogel was used as support to prepare Pt, Ir and Ru monometallic catalysts. The introduction of oxygen surface groups was important to increase metal dispersion but proved to limit selectivity to cinnamyl alcohol during the hydrogenation of cinnamaldehyde. After an activation treatment to remove unwanted surface groups, Pt catalysts exhibited the highest selectivity, 73%, followed by Ir with 65% and finally Ru with only 32% (measured at 50% conversion).
URI: http://hdl.handle.net/10198/1694
Aparece nas colecções:DTQB - Artigos em Proceedings Não Indexados ao ISI/Scopus

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