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La0.6Ba0.4Co1-xFexO3(x=0∼1.0) 촉매상에서의 NO 환원 반응
박종원,박대원,오광중,조경목,홍성수 ( J . W . Park,D . W . Park,K . J . Oh,K . M . Cho,S . S . Hong ) 한국공업화학회 1997 응용화학 Vol.1 No.1
Perovskite-type oxides have been tested for the reduction of NO using propane as reductant. Especially the perovskite-type oxides were prepared by malic acid method to increase the surface area. The effects of several variables such as reaction temperature, the concentration of reactants, residence time have been also investigated. In addition, in the presence of water and SO₂, the activity of catalysts has been examined. In the LaCoO₃ type perovskite oxide, the partial substitution of Ba into A site enhanced the activity of NO decomposition and the activity shows the high activity in wide reaction temperature. In addition, the partial substitution of Fe into B site also enhanced the conversion of NO.