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Effect of ceria doping on SO2 resistance of Mn/TiO2 for selective catalytic reduction of NO with NH3 at low temperature

Paper ID Volume ID Publish Year Pages File Format Full-Text
51462 46843 2009 5 PDF Available
Title
Effect of ceria doping on SO2 resistance of Mn/TiO2 for selective catalytic reduction of NO with NH3 at low temperature
Abstract

Mn/TiO2 and ceria modified Mn/TiO2 were prepared by sol–gel method and used for low-temperature selective catalytic reduction (SCR) of NO with NH3 in the presence of SO2. The deactivation of Mn/TiO2 by SO2 was observed during SCR process and the depositions of (NH4)2SO4 and NH4HSO4 were detected on Mn/TiO2 surface. It was found that the resistance to SO2 could be greatly enhanced for Ce modified Mn/TiO2. It was because that the formation of Ti(SO4)2 and Mn(SO4)x was prevented and the depositions of (NH4)2SO4 and NH4HSO4 were significantly inhibited with the doping of ceria.

Keywords
Selective catalytic reduction; Ce modified Mn/TiO2; Low-temperature; Resistance to SO2
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Effect of ceria doping on SO2 resistance of Mn/TiO2 for selective catalytic reduction of NO with NH3 at low temperature
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 6, 15 February 2009, Pages 935–939
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
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Any Questions? feel free to contact us