Liu Zhiyu, Lin Maoliu. Tree structured hybrid filter banks based on power complementary pairs[J]. Journal of Beijing University of Aeronautics and Astronautics, 2005, 31(11): 1217-1221. (in Chinese)
Citation: Zhu Tianle, Hao Jiming, Fu Lixin, et al. Catalytic removal of nitrogen oxides for the lean-burn automobile exhaust[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(10): 1025-1028. (in Chinese)

Catalytic removal of nitrogen oxides for the lean-burn automobile exhaust

  • Received Date: 28 Apr 2004
  • Publish Date: 31 Oct 2004
  • Al2O3, Ag/Al2O3, Sn/Al2O3, Ga/Al2O3, Co/Al2O3 and Pt/Al2O3 catalysts were prepared by the sol-gel mixture method and the activities of NO reduction by C3H6 over the catalysts were compared in the presence of oxygen. The Ag/Al2O3 displayed the highest NO reduction activity among catalysts studied. The effects of reaction conditions on NO reduction by C3H6 and CH3OH over Ag/Al2O3 were also investigated. The results showed that the presence of H2O resulted in a decrease in the NO reduction activity and the inhibition effect was reversible. In the presence of SO2 the activity of NO reduction by CH3OH significantly increased while that of NO reduction by C3H6 decreased.

     

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