Overview on the selective lean NOx reduction by hydrocarbons over Pt-based catalysts

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Selective catalytic reduction of NOx with hydrocarbons (HC-SCR) has received much attention as one of potential technologies for reducing NOx emissions under lean-burn conditions. Pt/ZSM-5 prepared by sublimation method and Pt/V/MCM-41 catalysts have been introduced for the wider activity temperature window than those Pt catalysts reported previously. The influence of pre-treatment, oxygen concentration, water and SO2 on the activities of Pt-based catalysts has been discussed. Combinatorial catalysis, which has been developed recently for discovering the practical HC-SCR catalysts quickly, has been introduced too. Finally, the reaction mechanism of HC-SCR over Pt-based catalysts has been briefly discussed.
Publisher
SPRINGER/PLENUM PUBLISHERS
Issue Date
2006-03
Language
English
Article Type
Article
Keywords

GROUP METAL-CATALYSTS; BURN ENGINE EXHAUST; NITRIC-OXIDE; NITROGEN-OXIDES; EXCESS OXYGEN; PROPENE; C3H6; PT/ZSM-5; AL2O3; PT/AL2O3

Citation

CATALYSIS SURVEYS FROM ASIA, v.10, no.1, pp.8 - 15

ISSN
1571-1013
DOI
10.1007/s10563-006-9002-0
URI
http://hdl.handle.net/10203/250605
Appears in Collection
CBE-Journal Papers(저널논문)
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