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Published in: Topics in Catalysis 11/2009

01-10-2009 | Original Paper

Surface Properties and Active Sites of Nitrided Mo/Al2O3 Catalysts for the Hydrodenitrogenation of Carbazole

Authors: Hiromi Ishii, Masaru Kiyoshi, Masatoshi Nagai

Published in: Topics in Catalysis | Issue 11/2009

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Abstract

The active sites for the hydrodenitrogenation of carbazole for a series of low loading nitrided Mo/Al2O3 catalysts have been investigated by a combination of CO adsorption, pyridine adsorption, temperature-programmed surface reaction with hydrogen and fractal analysis. Accordingly, the active sites for different stages of reaction have been determined. It is proposed that carbazole adsorbs on the edge of molybdenum nitride crystallites where it is hydrogenated to perhydrocarbazole which desorbs, migrating to nitrogen deficient nitrogen planes where it undergoes C–N hydrogenolysis.

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Metadata
Title
Surface Properties and Active Sites of Nitrided Mo/Al2O3 Catalysts for the Hydrodenitrogenation of Carbazole
Authors
Hiromi Ishii
Masaru Kiyoshi
Masatoshi Nagai
Publication date
01-10-2009
Publisher
Springer US
Published in
Topics in Catalysis / Issue 11/2009
Print ISSN: 1022-5528
Electronic ISSN: 1572-9028
DOI
https://doi.org/10.1007/s11244-009-9293-2

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