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Selective catalytic reduction of NO by propane in excess oxygen over IrCu-ZSM-5 catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
52891 46890 2007 6 PDF Available
Title
Selective catalytic reduction of NO by propane in excess oxygen over IrCu-ZSM-5 catalyst
Abstract

The selective reduction of NO by propane over bimetallic IrCu-ZSM-5 was investigated in this study. IrCu-ZSM-5, together with Cu-ZSM-5 and Ir-ZSM-5, was characterized by FTIR of pyridine adsorption, UV–vis spectroscopy and H2-TPR. The results indicated that the nature of Cu species changed with iridium as a modifier. The reaction mechanism over IrCu-ZSM-5 was investigated using in situ DRIFT spectra and nitrate species were observed as the main reaction intermediate for NO reduction by propane. The addition of trace iridium into Cu-ZSM-5 favored the formation of nitrate species, and thus better catalytic activity could be obtained on IrCu-ZSM-5.

Keywords
IrCu-ZSM-5; SCR; Nitric oxide; Propane; DRIFTS; Nitrate
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Selective catalytic reduction of NO by propane in excess oxygen over IrCu-ZSM-5 catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 3, March 2007, Pages 583–588
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
Full-text PDF Download
Online Support
Any Questions? feel free to contact us