Methane aromatization over Mo/H-ZSM-5: on the reaction pathway
2000
Rates of benzene formation on Mo/HZSM-5, H-ZSM-5 and Mo/SiO2 were measured with different reactants: methane, mixture of C2H4/H2/N2 and mixture of C2H2/H2/N2. Since the rate of benzene formation starting from C2H4/H2/N2 is higher on Mo/H-ZSM-5 compared to H-ZSM-5 it is concluded that the aromatization of methane on Mo/H-ZSM-5 is not going via ethylene which is aromatized over acid sites. Another reaction pathway is proposed.
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