Journal
CATALYSIS COMMUNICATIONS
Volume 16, Issue 1, Pages 20-24Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2011.08.036
Keywords
Selective catalytic reduction; Tungsten modified MnO(x)-CeO(2); Monolith catalyst; NO reduction
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Funding
- National Natural Science Foundation of China [20773090]
- Ph.D. Programs Foundation of Ministry of Education of China [20080610009]
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A series of tungsten modified MnO(x)-CeO(2) monolith catalysts were prepared and used for selective catalytic reduction (SCR) of NO by NH(3) in the presence of O(2). The experimental results showed that the SCR performance and SO(2)-resistant ability of MnO(x)-CeO(2) were greatly enhanced by the introduction of tungsten. The catalyst containing 10% WO(3) showed the highest NO conversion in a wide temperature range of 162-374 degrees C. The highly dispersed or amorphous tungsten oxide and the strong interaction between tungsten and MnO(x)-CeO(2) should be the reasons for the excellent performance of the catalyst containing 10% WO(3). (C) 2011 Elsevier B.V. All rights reserved.
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