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Pt-free, non-thermal plasma-assisted NOx storage and reduction over M/Ba/Al2O3 (M = Mn, Fe, Co, Ni, Cu) catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
53952 46990 2015 9 PDF Available
Title
Pt-free, non-thermal plasma-assisted NOx storage and reduction over M/Ba/Al2O3 (M = Mn, Fe, Co, Ni, Cu) catalysts
Abstract

Based on their high NOx storage capacities (NSCs), a series of M/Ba/Al (M = Mn, Fe, Co, Ni, Cu) catalysts were evaluated in NOx storage-reduction catalysis. Although the M/Ba/Al catalysts exhibited high NSC values, they exhibited much lower activity during lean-rich cycling compared with a traditional Pt/Ba/Al catalyst, indicating that regeneration of stored NOx is the rate limiting step for the M/Ba/Al samples. By employing an H2-plasma in the rich phase to assist reduction of the stored NOx, the NOx conversion was greatly improved, especially at low temperature.

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Keywords
Transition metal oxide; NOx storage-reduction; LNT catalyst; Non-thermal plasma
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Pt-free, non-thermal plasma-assisted NOx storage and reduction over M/Ba/Al2O3 (M = Mn, Fe, Co, Ni, Cu) catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 256, Part 1, 1 November 2015, Pages 115–123
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