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Although LaMnO 3 perovskite oxide has been reported to exhibit low activity in NO direct decomposition into N 2 and O 2 , doping Ga or In at the Mn site of La(Ba)MnO 3 has been found effective of increasing the activity for NO direct decomposition into N 2 and O 2 . The activity of NO decomposition increased in the order Ba>Sr>Ca for the La site...
Selective reduction of NO with C 3 H 6 in the presence of oxygen was studied over Cu ion-exchanged SAPO-n(n=5, 11, 34), and Cu ion-exchanged Zeolites β USY, and ZSM-5. All the Cu ion-exchanged catalysts exhibited high activity for NO reduction with C 3 H 6 in a large excess of O 2 ; however, the temperature for maximum NO conversion depended on the kind of molecular...
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