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Published in: Topics in Catalysis 3-5/2017

04-05-2016 | OriginalPaper

Sensor Tool for Fast Catalyst Material Characterization

Authors: G. Hagen, N. Leupold, S. Wiegärtner, R. Moos

Published in: Topics in Catalysis | Issue 3-5/2017

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Abstract

For the development of catalyst materials a novel sensor tool is presented. It can determine catalyst light-off temperatures. The device measures temperature changes (exothermicities) due to catalytic reactions of the material which is coated on a very small catalyst coating area directly on the sensor device. By temperature modulation via an integrated heater, light-off temperature characteristics can be determined within a few minutes. In the present contribution, the sensor setup is introduced and several experimental results for an exemplarily investigated Pt-loaded Al2O3 catalyst are shown with typical exhaust gas components and with mixtures of their components in a lean base gas atmosphere. Several typical findings are light-off hysteresis, CO poisoning, alkane light-off-behavior or acetylene poisoning.

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Metadata
Title
Sensor Tool for Fast Catalyst Material Characterization
Authors
G. Hagen
N. Leupold
S. Wiegärtner
R. Moos
Publication date
04-05-2016
Publisher
Springer US
Published in
Topics in Catalysis / Issue 3-5/2017
Print ISSN: 1022-5528
Electronic ISSN: 1572-9028
DOI
https://doi.org/10.1007/s11244-016-0617-8

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