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Published in:
2008 | OriginalPaper | Chapter
Montmorillonites with Mixed Aluminum-Lanthanide Oxide Pillars
Authors : C. Pesquera, C. Blanco, F. González
Published in: Materials Syntheses
Publisher: Springer Vienna
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Pillared montmorillonites with mixed aluminum/cerium or aluminum/lanthanum pillars were prepared. Nuclear magnetic resonance studies indicated absence of tetrahedral aluminum in the pillars. The materials have a high thermal stability, and high specific surface area and porosity, with pores at the limit between micropore and mesopore sizes. The number and strength of the acid sites in these materials is also high.