Roles of Ceria on Base Metal Oxide Catalysts——NO+CO Reaction
来源期刊：Journal of Rare Earths1992年第2期
论文作者：卢冠忠 汪仁
文章页码：102 - 107
摘 要：<正> A microreactor system was used to study the catalytic reaction of NO+CO→1/2 N2+CO2 over Cu,Fe,Mn,Cr,and Ce oxides supported on alumina,and the effect of adding Ce in supported Cu-M-O（M=Mn,Feand Cr） catalysts on their catalytic activities for the topic reaction and the concentration of N2O produced.Itwas found that the catalytic activity order of the single-element oxide is:CuO>Fe2O3≈Cr2O3>MnO2>CeO2>NiO.Cu-Mn-O is more active than CuO,and Cu-Fe-O is more active than Cu-Mn-O andCu-Cr-O for NO+CO reaction.This study shows that the addition of Ce in supported Cu-M-O can promotetheir catalytic activities Jot the topic reaction,which makes the reaction of 2NO+CO→N2O+CO2 fast,andN2O is an intermediate compound produced during NO+CO reaction.
卢冠忠，汪仁
摘 要：<正> A microreactor system was used to study the catalytic reaction of NO+CO→1/2 N2+CO2 over Cu,Fe,Mn,Cr,and Ce oxides supported on alumina,and the effect of adding Ce in supported Cu-M-O（M=Mn,Feand Cr） catalysts on their catalytic activities for the topic reaction and the concentration of N2O produced.Itwas found that the catalytic activity order of the single-element oxide is:CuO>Fe2O3≈Cr2O3>MnO2>CeO2>NiO.Cu-Mn-O is more active than CuO,and Cu-Fe-O is more active than Cu-Mn-O andCu-Cr-O for NO+CO reaction.This study shows that the addition of Ce in supported Cu-M-O can promotetheir catalytic activities Jot the topic reaction,which makes the reaction of 2NO+CO→N2O+CO2 fast,andN2O is an intermediate compound produced during NO+CO reaction.
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