Abstract
A series of BaCO 3/La 2O 3 catalysts have been prepared using urea combustion method, and tested their activity in oxidative conversion of methane to ethane and ethylene below 600 °C. For 5% BaCO 3/La 2O 3 catalyst, under integral conditions, CH 4 conversion of 31.8% with C 2 selectivity of 45.9% have been obtained at 320 °C. With the increase of BaCO 3 contents, CH 4 conversion and C 2 selectivity are improved. The temperature profiles of reactor have been described and found that the distribution of hot spots on catalyst bed is related to the low-temperature activity of catalyst.
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