期刊
REACTION KINETICS MECHANISMS AND CATALYSIS
卷 101, 期 1, 页码 153-161出版社
SPRINGER
DOI: 10.1007/s11144-010-0209-8
关键词
Low temperature NH3-SCR; MnOx; Protonated titanate
资金
- National Natural Science Fund of China [50876074]
In the present work, protonated titanate nanoribbons were prepared by hydrothermal treating of TiO2 in alkali solution, followed by a thorough acid washing. The protonated titanate nanoribbons were employed as novel support for MnOx species and MnOx/protonated titanate was studied as a promising catalyst for the low temperature NH3-SCR reaction. The maximal NO conversion of ca. 98% was achieved over MnOx/protonated titanate at 200 A degrees C under high GHSV of 50000 h(-1). The existence of both MnO2 and Mn2O3 as active Mn species on protonated titanate was confirmed by XPS analysis, which was responsible for the high deNO(x) activity of MnOx/protonated titanate in NH3-SCR reaction.
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