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Kinetic modeling of NH3-SCR over a supported Cu zeolite catalyst using axial species distribution measurements

Paper ID Volume ID Publish Year Pages File Format Full-Text
44892 46375 2015 11 PDF Available
Title
Kinetic modeling of NH3-SCR over a supported Cu zeolite catalyst using axial species distribution measurements
Abstract

•A kinetic model for NH3 selective catalytic reduction over Cu-BEA was developed.•Spatially resolved experimental data were used and simulated to fit the model.•The model accounts for the non-monotonic formation of N2O with temperature.•NO and NH3 oxidation were modeled.

In this study, a kinetic model is developed for NH3-SCR over a honeycomb-monolith-supported Cu-zeolites using intra-catalyst axial species distribution measurements. An ammonia TPD experiment, together with micro calorimetry data were used for tuning the ammonia adsorption and desorption properties. The spatial distribution for NO oxidation, NH3 oxidation and NH3 “Standard” SCR were modeled between 200 and 400 °C. Four-step protocol measurements were employed in order to validate the transient functions of the model. The resulting kinetic model provides good spatiotemporal simulation of the SCR reaction and component reactions throughout the monolith catalyst system.

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Keywords
NH3 SCR; Kinetic modeling; Spatial distribution measurements; Cu zeolites; Spaci-MS
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Kinetic modeling of NH3-SCR over a supported Cu zeolite catalyst using axial species distribution measurements
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 163, February 2015, Pages 393–403
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