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TPR and FTIR Study of Nitrided Molybdena-Alumina Catalyst

✍ Scribed by M. Nagal; T. Kusagaya; A. Miyata; S. Oml


Publisher
Wiley (John Wiley & Sons)
Year
2010
Weight
457 KB
Volume
104
Category
Article
ISSN
0037-9646

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✦ Synopsis


Nitrkled 11.7% and 97.1 % molybdena-alumina catalysts have been investigated using temperature-programmed reaction with hydrogen (TPR) and diffuse reflectance FTlR connected toa mass spectrometer with the aid of XRD analysis.

From the TPR and XRD analyses, y-Mo2N was formed on the surface of the 1 1.7% and 97.1 % Mo/A1203 nitrided at 700Β°C.

On the basis of the NH3-TPD and IR spectroscoples, much more Lewis acid sites than Bransted acid sites are present on the surface of the nitrided molybdena-alumina.


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