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High pressure kinetics of CH4, CO and H2 combustion over LaMnO3 catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
45774 46422 2013 13 PDF Available
Title
High pressure kinetics of CH4, CO and H2 combustion over LaMnO3 catalyst
Abstract

A high pressure kinetic study was carried out in a wide range of operating conditions to study the effects of pressure, temperature, fuel concentration and equivalence ratio on the catalytic combustion of methane, hydrogen and carbon monoxide over a perovskite-based catalyst. A plate type reactor configuration was chosen. This geometry allowed working in a kinetic control avoiding mass transfer limitations if appropriate experimental conditions are chosen. Since especially for GT application it is important to study the ignition phenomenon, which results to be ruled by kinetics, the study of the kinetics of CH4, H2 and CO catalytic combustion was carried out in a range of temperature consistent with the ignition temperatures and global reaction rate equations were derived.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Combustion kinetics of CH4, H2 and CO have been studied over a LaMnO3-based catalyst. ► Conditions relevant to GT ignition (P up to 10 bar, T up to 620 °C). ► One step reaction rate expression based on MVK mechanism has been derived for each fuel. ► CO shows the highest combustion rate, methane is the less reactive.

Keywords
Catalytic combustion kinetics; Methane; Hydrogen; Carbon monoxide; Syngas; Perovskite catalyst; High pressure
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High pressure kinetics of CH4, CO and H2 combustion over LaMnO3 catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volumes 134–135, 2 May 2013, Pages 110–122
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