An investigation of the surface acidity of mesoporous Al-containing MCM-41 and of the external surface of ferrierite through pivalonitrile adsorption

• Published in: Applied catalysis. A, General Vol. 182; no. 2; pp. 225 - 235
• Main Authors: Trombetta, Marcella, Busca, Guido, Lenarda, Maurizio, Storaro, Loretta, Pavan, Massimo
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 21.06.1999; Elsevier
• Subjects: Brønsted acid; Catalysis; Catalysts: preparations and properties; Chemistry; Exact sciences and technology; Ferrierite zeolite; General and physical chemistry; Lewis acid; Mesoporous solids; Pivalonitrile adsorption; Silica–alumina; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry; Silica–alumina; Lewis acid; Mesoporous solids; Brønsted acid; Pivalonitrile adsorption; Ferrierite zeolite; Characterization; Adsorption; Acidity; Zeolite; Alumina; Silica; Mesoporosity; Molecular sieve

The surface's acidity of amorphous and mesoporous MCM-41-type silica and silica–aluminas has been investigated by using IR spectroscopy of the surface OHs and of adsorbed pivalonitrile, and catalytic isomerization of 1-butene. IR experiments allowed also characterizing the external sites of fer...