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2013, Volume 7, Issue 3

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Frontiers of Environmental Science & Engineering >> 2013, Volume 7, Issue 3 doi: 10.1007/s11783-013-0512-5

The effect of preparation conditions of Pt/Al

1. State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China; 2. School of Environment & Natural Resources, Renmin University of China, Beijing 100872, China; 3. Department of Chemical and Biomolecular Engineering, Graduate School of EEWS(WCU), Korea Advanced Institute of Science and Technology, Daejeon 305-701, Korea

Available online: 2013-06-01
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Abstract

Selective catalytic reduction of NO by H in the presence of oxygen has been investigated over Pt/Al O catalysts pre-treated under different conditions. Catalyst preparation conditions exert significant influence on the catalytic performance, and the catalyst pre-treated by H or H then followed by O is much more active than that pre-treated by air. The higher surface area and the presence of metallic Pt over Pt/Al O pre-treated by H or pretreated by H then followed by O can contribute to the formation of NO , which then promotes the reaction to proceed at low temperatures.

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