Abstract
Methane complete oxidation reaction was carried out in a non-thermal plasma (dielectric barrier discharge) quartz tube reactor where both plasma and catalyst were combined into one in-plasma catalysis system. In plasma only condition, the CO selectivity was maintained at high value (~50%) until the temperature reached about 200°C. In the presence of both plasma and catalyst, however, methane was oxidized even at room temperature mostly to CO2 with low CO selectivity over certain non-PGM catalyst like Co1Ni1Ox. Hence, methane complete oxidation reaction proceeded at much lower temperature similar to PGM catalyst such as Pd/Al2O3, while maintaining low CO selectivity.
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