Mesoporous aluminosilicate molecular sieve: Control of textural properties by post-synthesis hydrothermal treatment

A. Hidrobo, J. Retuert, P. Araya

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4 Citas (Scopus)

Resumen

By means of sol-gel synthesis with silicon and aluminium alkoxides, Triton X-114, and hydrothermal stabilization at various times and temperatures, were obtained aluminosilicates which have a porous structure (MSA) and are thermally stable and partially ordered. The assynthesized MSA samples were subjected to hydrothermal treatment (HT) from 6 to 96 hours at 150°C and at 110 to 175°C for 6 hours to determine the effect of time and temperature on the structure of the final aluminosilicate. All the materials obtained are mesoporous, showing changes in their structural properties: surface area, pore diameter, and mesopore area and volume in direct relation to temperature and HT time.

Idioma originalInglés
Páginas (desde-hasta)37-40
Número de páginas4
PublicaciónJournal of the Chilean Chemical Society
Volumen48
N.º3
EstadoPublicada - sep. 2003
Publicado de forma externa

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