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Modeling of the catalytic removal of CO and NO under lean-burn conditions: Can there be too much catalyst?

Paper ID Volume ID Publish Year Pages File Format Full-Text
46661 46444 2012 6 PDF Available
Title
Modeling of the catalytic removal of CO and NO under lean-burn conditions: Can there be too much catalyst?
Abstract

The NO + CO + O2 reaction under net-oxidizing conditions may demonstrate an interesting phenomenon: the conversion of NO to N2 decreases when the amount of catalyst increases. This behavior has been observed in many experimental studies and, as a rule, it has been attributed to the structural sensitivity of the catalytic reaction. Using the classical theories of heterogeneous catalytic reactions and chemical reactors, we demonstrate that this unusual effect can be well explained by the peculiarities of the reaction mechanism and kinetics of competing reactions.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► We model the NO + CO reaction under lean-burn conditions in CSTR. ► We studied the influence of the catalyst surface area on the NO and CO conversion. ► We showed that the NO conversion can decrease when a catalyst loading increases. ► The underlying kinetic mechanism was explained in details.

Keywords
Modeling; Nitrogen monoxide; Carbon monoxide; Surface reaction mechanism; NO conversion maximum; Lean-burn conditions; Effect of catalyst loading
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volumes 119–120, 30 May 2012, Pages 273–278
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