Citation: Jun Hua LI, Ji Ming HAO, Li Xin FU, Tian Le ZHU, Zhi Ming LIU, Xiang Yu CUI. High Activity SnO₂/Al₂O₃ Catalyst for NO Reduction in the Presence of Oxygen[J]. Chinese Chemical Letters, ;2004, 15(6): 695-698. shu

High Activity SnO₂/Al₂O₃ Catalyst for NO Reduction in the Presence of Oxygen

Department of Environmental Science and Engineering, Tsinghua University, Beijing 100084

Received Date: 13 May 2003

Fund Project: The work was financially supported by National 863 Project. (N0.2001AA643030).

The novel sol-gel SnO₂/Al₂O₃ catalysts for selective catalytic reduction NO by propene under lean burn condition were investigated. The results showed that the maximum NO conversion was 82% on the SnO₂/Al₂O₃ (5%Sn) catalyst, and the presence of H₂O and SO₂ improved the catalytic activity at low temperature. The catalytic activity of NO₂ reduction by propene is much higher than that of NO at the entire temperature range, and the maximum NO₂ conversion reached nearly 100% around the temperature 425℃.
- Selective catalytic reduction,
- De-NOx,
- lean burn,
- SnO₂/Al₂O₃
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