Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/1064
Título: Study of catalytic properties of SAPO-40
Autor: Lourenço, J. P.
Ribeiro, M. F.
Ribeiro, F. R.
Rocha, J.
Gabelica, Z.
Dumont, N.
Derouane, E. G.
Palavras-chave: SAPO-40
Synthesis
Data: 1994
Editora: Elsevier
Citação: Lourenco, J. P.; Ribeiro', M.F.; Ribeiro, F.R.; Rocha, J.; Gabelica, Z.; Dumont, N.; Derouane, E.G. Study of catalytic properties of SAPO-40. In Zeolites and related microporous materials: state of the art 1994 - Proceedings of the 10th International Zeolite Conference, Garmisch-Partenkirchen, Germany, 17-22 July 1994, 867-874, ISBN: 9780444818478. Amsterdam: Elsevier, 1994.
Resumo: A series of SAPO-40 samples with Si atomic fraction from 0.06 to 0.12 has been synthesised. The study of their catalytic properties has been evaluated by comparison with SAPO-37, USHY and mordenite, using as model reaction the cracking of n-heptane. The catalytic activity of SAPO-40 samples depends on the Si content, and is probably associated with the non-uniform distribution of silicon. SAPO-40 showed a stronger acidity than SAPO-37 with a similar Si content. SAPO-40 is more resistant to deactivation by coke than the studied mordenite sample. Its selectivity for cracking products is comparable to USHY, but hydrogen transfer is lower for SAPO-40 than for USHY and mordenite.
Peer review: yes
URI: http://hdl.handle.net/10400.1/1064
ISSN: 9780444818478
Aparece nas colecções:FCT2-Artigos (em revistas ou actas indexadas)

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