%0 Journal Article %T PureandNi-substitutedCo3O4spinelcatalystsfordirectN2Odecomposition %A Bahaa M. Abu-Zied %A Soliman A. Soliman %A Sarah E. Abdellah %J ´ß»¯Ñ§±¨ %P 1105-1112 %D 2014 %R 10.1016/S1872-2067(14)60058-9 %X £¿AseriesofNixCo1-xCo2O4(0¡Üx¡Ü1)spinelcatalystswerepreparedbytheco-precipitationmethodandusedfordirectN2Odecomposition.Thedecompositionpathwayoftheparentprecipitateswascharacterizedbythermalanalysis.Thecatalystswerecalcinedat500¡æfor3handcharacterizedbypowderX-raydiffraction,Fouriertransforminfrared,andN2adsorption-desorption.NickelcobaltitespinelwasformedinthesolidstatereactionbetweenNiOandCo3O4.TheN2OdecompositionmeasurementrevealedsignificantincreaseintheactivityofCo3O4spineloxidecatalystwiththepartialreplacementofCo2+byNi2+.TheactivityofthisseriesofcatalystswascontrolledbythedegreeofCo2+substitutionbyNi2+,spinelcrystallitesize,catalystsurfacearea,presenceofresidualK+,andcalcinationtemperature. %K Nitrousoxidedecomposition %K Spinel %K Cobaltoxide %K Greenhousegas %K Nickelcobaltite %U http://www.chxb.cn/CN/abstract/abstract21329.shtml