期刊
FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING
卷 7, 期 3, 页码 457-463出版社
HIGHER EDUCATION PRESS
DOI: 10.1007/s11783-013-0512-5
关键词
NOx reduction; Pt/Al2O3; preparation condition; H-2-SCR
资金
- National Natural Science Foundation of China [20907003, 21011140337]
- National High-Tech Research and Development Program of China [2010AA065003]
- World Class University Program [R-31-2008-000-10055-0]
- National Research Foundation of Korea [R31-2012-000-10055-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Selective catalytic reduction of NO (x) by H-2 in the presence of oxygen has been investigated over Pt/ Al2O3 catalysts pre-treated under different conditions. Catalyst preparation conditions exert significant influence on the catalytic performance, and the catalyst pre-treated by H-2 or H-2 then followed by O-2 is much more active than that pre-treated by air. The higher surface area and the presence of metallic Pt over Pt/Al2O3 pre-treated by H-2 or pretreated by H-2 then followed by O-2 can contribute to the formation of NO2, which then promotes the reaction to proceed at low temperatures.
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