The catalytic combustion performance of methane over Pt-Pd/Al_2O_3 catalysts
Cao Zhen-fang
Abstract
Cao Zhen-fang
Abstract
Pt-Pd/Al2O3 catalysts were prepared by impregnation,and the influences of reacted conditions were studied in detail.The results showed that the CH4 conversion were 75.3% at 350 ℃,and the temperature at which the conversion achieved 99% was 400 ℃.The catalytic activity was influenced by temperature,space velocity and CH4 concentration,but not O2.The catalysts which were activated in 20%O2/N2 exhibited better activity than in N2.
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Pt-Pd/Al2O3 catalysts were prepared by impregnation,and the influences of reacted conditions were studied in detail.The results showed that the CH4 conversion were 75.3% at 350 ℃,and the temperature at which the conversion achieved 99% was 400 ℃.The catalytic activity was influenced by temperature,space velocity and CH4 concentration,but not O2.The catalysts which were activated in 20%O2/N2 exhibited better activity than in N2.
Key concepts: Catalysis, Methane, Space velocity, Combustion, Catalytic combustion, Chemistry, Inorganic chemistry, Materials science