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7942937 
Journal Article 
Cation effects in the oxidation of adsorbed cyclohexane in Y zeolite: An in situ IR study 
Vanoppen, DL; Devos, DE; Jacobs, PA 
1997 
1 
Studies in surface science and catalysis
ISSN: 0167-2991 
Elsevier Inc. 
Studies in Surface Science and Catalysis 
105 
1045-1051 
English 
WOS:A1997BJ22G00125 
In this study, the autoxidation of zeolite adsorbed cyclohexane was monitored by in situ infrared spectroscopy. Oxygenation is observed at temperatures as low as 353 K. In faujasites exchanged with different cations, the reaction rate was found to increase in the order NaY < BaY < SrY < CaY. This seems to indicate that a charge-transfer process is at the basis of this unexpected catalytic effect. 1997 Elsevier Science B.V. All rights reserved.