Methane Direct Conversion on Mo/ZSM-5 Catalysts Modified by Pd and Ru

The effect of addition of Ru and Pd to Mo/HZSM-5 catalysts used in the dehydroaromatization of methane was investigated. Catalytic tests and temperature-programmed oxidation results showed that Pd-based catalysts were more selective to naphthalene and suffered strong deactivation. The presence of Ru...

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Veröffentlicht in:	Journal of natural gas chemistry 2006-06, Vol.15 (2), p.82-86
Hauptverfasser:	Sily, Priscila Dias, Noronha, Fabio Bellot, Passos, Fabio Barboza
Format:	Artikel
Sprache:	eng
Schlagworte:	dehydroaromatization methane ZSM-5 ZSM-5分子筛脱氢芳构化
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Zusammenfassung:	The effect of addition of Ru and Pd to Mo/HZSM-5 catalysts used in the dehydroaromatization of methane was investigated. Catalytic tests and temperature-programmed oxidation results showed that Pd-based catalysts were more selective to naphthalene and suffered strong deactivation. The presence of Ru improved the activity and stability, with a decrease in the carbonaceous deposit probably because of a mechanism of protection of the Mo2C surface.
ISSN:	1003-9953
DOI:	10.1016/S1003-9953(06)60012-1