Artículo
Synthesis and characterization of ZSM-5 coatings onto cordierite honeycomb supports
Ulla, Maria Alicia del H.
; Mallada, R.; Coronas, J.; Gutierrez, Laura Beatriz
; Miro, Eduardo Ernesto
; Santamaría, J.
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Fecha de publicación:
10/2003
Editorial:
Elsevier Science
Revista:
Applied Catalysis A: General
ISSN:
0926-860X
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Zeolite ZSM-5 layers (up to ca. 30% by weight) have been synthesized on cordierite substrates, following either a direct hydrothermal synthesis procedure or a secondary growth method, in this case after seeding of the support. The Si/Al ratio in the synthesis gel ranged from 14 to 100, but layers with a high Al content (i.e. a low Si/Al ratio) could not be prepared directly on the cordierite support. However, MFI layers with a low Si/Al ratio were readily grown after depositing an intermediate Si-rich layer. The results also show that the Si/Al ratio of the synthesis gel has a direct effect on the morphology, crystallinity and orientation of the MFI layer formed.
Palabras clave:
Zeolite Coatings
,
Monolith Substrates
,
Si/Al Ratio
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Articulos(INCAPE)
Articulos de INST.DE INVEST.EN CATALISIS Y PETROQUIMICA "ING. JOSE MIGUEL PARERA"
Articulos de INST.DE INVEST.EN CATALISIS Y PETROQUIMICA "ING. JOSE MIGUEL PARERA"
Citación
Ulla, Maria Alicia del H.; Mallada, R.; Coronas, J.; Gutierrez, Laura Beatriz; Miro, Eduardo Ernesto; et al.; Synthesis and characterization of ZSM-5 coatings onto cordierite honeycomb supports; Elsevier Science; Applied Catalysis A: General; 253; 1; 10-2003; 257-269
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