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Methane Direct Conversion on Mo/ZSM-5 Catalysts Modified by Pd and Ru 被引量:2

Methane Direct Conversion on Mo/ZSM-5 Catalysts Modified by Pd and Ru
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摘要 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. 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.
出处 《Journal of Natural Gas Chemistry》 EI CAS CSCD 2006年第2期82-86,共5页 天然气化学杂志(英文版)
基金 Financial support from CNPq, FINEP, PETROBRAS and FAPERJ.
关键词 METHANE PD RU Mo ZSM-5 DEHYDROAROMATIZATION methane Pd Ru Mo ZSM-5 dehydroaromatization
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