The effect of zeolite particle size on the activity of Mo/HZSM-5 in non-oxidative methane dehydroaromatization
β Scribed by Yanbin Cui; Yuebing Xu; Jiangyin Lu; Yoshizo Suzuki; Zhan-Guo Zhang
- Publisher
- Elsevier Science
- Year
- 2011
- Tongue
- English
- Weight
- 673 KB
- Volume
- 393
- Category
- Article
- ISSN
- 0926-860X
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Four different cluster models of Mo(VI) methylidene centres in the HZSM-5 framework are investigated with DFT. The positive charge on the MoO(CH 2 ) fragment is higher for the Mo centre with two Al atoms in its vicinity, compared to the models with only one Al site. The activity of two selected Mo c
A reaction rate of methane conversion of 14.54 nmol -1 m -2 and the formation rate of aromatics of 2.22 nmol -1 m -2 at 973 K for the dehydrogenation and aromatization of methane in the absence of oxygen was attained over Mo-Ru/HZSM-5 catalysts. By comparison, over unpromoted Mo/HZSM-5 catalysts, th
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