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SCR of NOx with NH3 over Cu/NaZSM-5 and Cu/HZSM-5 in the presence of decane

Paper ID Volume ID Publish Year Pages File Format Full-Text
51278 46837 2009 5 PDF Available
Title
SCR of NOx with NH3 over Cu/NaZSM-5 and Cu/HZSM-5 in the presence of decane
Abstract

The selective catalytic reduction of NOx with NH3 in the presence of decane over Cu/ZSM-5 catalysts prepared from H+ and Na+ZSM-5 precursors were investigated. Cu/NaZSM-5 catalyst showed significantly higher NOx conversion compared to Cu/HZSM-5. However, the presence of decane decreased the activity of both the catalysts, due to coke formation. Cu/HZSM-5 catalyst showed a larger decline in NOx conversion with time on stream compared to Cu/NaZSM-5. The higher activity of Cu/NaZSM-5 is attributed, to the promoting effect of Na+ cations in the formation of active Cu+ and nitrite and nitrate intermediates species and retardation of coke formation.

Keywords
NH3–SCR; Cu/ZSM-5; Na+ cation; Cu+; Decane; FTIR spectroscopy
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SCR of NOx with NH3 over Cu/NaZSM-5 and Cu/HZSM-5 in the presence of decane
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 14, 25 August 2009, Pages 1859–1863
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
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Any Questions? feel free to contact us