Adsorption of methanol on MCM-36 derivatives with strong acid and base sites

R. Schenkel, J. O. Barth, J. Kornatowski, A. Jentys, J. A. Lercher

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

4 Zitate (Scopus)

Abstract

The sorption of methanol on MCM-22 and MCM-36 materials was studied using mainly IR spectroscopy. MCM-36 materials pillared with (mixed) oxides such as SiO2, Al2O3, MgO-Al2O3, and MgO-Al2O3-SiO2, exhibit widely varying acid-base properties. Methanol is associatively adsorbed on Brønsted acid sites in the zeolitic micropores and associatively and dissociatively on acid and base sites in the mesopores. Lewis acid/base sites are responsible for dissociative adsorption. Stable formates were only formed upon heating MgO-Al2O3-MCM-36 saturated with methanol.

OriginalspracheEnglisch
Seiten (von - bis)1598-1605
Seitenumfang8
FachzeitschriftStudies in Surface Science and Catalysis
Jahrgang154 B
DOIs
PublikationsstatusVeröffentlicht - 2004

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