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HU Hui (胡辉), HUANG Hao (黄浩), XU Jie (许杰), YANG Qi (杨旗), TAO Gongkai (陶功开). N2O Decomposed by Discharge Plasma with Catalysts[J]. Plasma Science and Technology, 2015, 17(12): 1043-1047. DOI: 10.1088/1009-0630/17/12/11
Citation: HU Hui (胡辉), HUANG Hao (黄浩), XU Jie (许杰), YANG Qi (杨旗), TAO Gongkai (陶功开). N2O Decomposed by Discharge Plasma with Catalysts[J]. Plasma Science and Technology, 2015, 17(12): 1043-1047. DOI: 10.1088/1009-0630/17/12/11
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N2O Decomposed by Discharge Plasma with Catalysts

  • 1School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China 2Shanghai LongKing Environmental Protection Co. Ltd., Shanghai 200331, China

Funds: supported by National Natural Science Foundation of China (No. 50677026) and the Applied Basic Research Program of Wuhan, China (No. 2015060101010068)
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  • Received Date: August 24, 2014
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  • A great deal of attention has been focused on discharge plasma as it can rapidly decompose N2O without additives, which is not only a kind of greenhouse gas but also a kind of damages to the ozone layer. The thermal equilibrium plasma is chosen to combine with catalysts to decompose N2O, and its characteristics are analyzed in the present paper. The results indicate that NO and NO2 were formed besides N2 and O2 during N2O decomposition when N2O was treated merely by discharge plasma. Concentration of NO declined greatly when the discharge plasma was combined with catalysts. Results of Raman spectra analysis on CeO2, Ce0.75Zr0.25O2 and Ce0.5Zr0.5O2 imply that the products selectivity has been obviously improved in discharge plasma decomposing N2O because of the existence of massive oxygen vacancies over the composite oxide catalysts.
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