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NH3 formation and utilization in regeneration of Pt/Ba/Al2O3 NOx storage-reduction catalyst with H2

โœ Scribed by William P. Partridge; Jae-Soon Choi


Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
540 KB
Volume
91
Category
Article
ISSN
0926-3373

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Regeneration mechanism of Pt/BaO/Al2O3 l
โœ S.S. Mulla; S.S. Chaugule; A. Yezerets; N.W. Currier; W.N. Delgass; F.H. Ribeiro ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 1018 KB

Regeneration of a Pt/BaO/Al 2 O 3 NO x storage-reduction catalyst was studied using H 2 as a model reductant. We propose that the regeneration process involves a localized reaction front of the reductant that travels through the catalyst bed with complete regeneration of the trapping sites. When NH