| Kinetics of the Oxidative Dehydrogenation of Propane over a VMgO Catalyst |
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| 摘 要： | The reaction kinetics of the oxidative dehydrogenation of propane was studied at 475-550℃ over a VMgO catalyst. Vanadium-magnesium-oxides are among the most selective and active catalysts for the dehydrogenation of propane to propylene. Selectivity to propylene up to about 60% was obtained at 10% conversion, but the selectivity decreased with increasing conversion. No oxygenates were detected, the only by-products were CO and CO2. The reaction rate of propane was found to be first order in propane and close to zero order in oxygen, which is in agreement with a Mars van Krevelen mechanism with the activation of the hydrocarbon as the rate determining step. The activation energy of the conversion of propane was found to be 122±6 kJ/mol.
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Kinetics of the Oxidative Dehydrogenation of Propane over a VMgO Catalyst |
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| L.Late,E.A.Blekkan.Kinetics of the Oxidative Dehydrogenation of Propane over a VMgO Catalyst[J].Journal of Natural Gas Chemistry,2002(Z1). |
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| Authors: | LLate EABlekkan |
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| Abstract: | |
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| Keywords: | propane oxidative dehydrogenation VMgO kinetics |
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