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A microwave-based method to monitor the ammonia loading of a vanadia doped tungsten-titania SCR catalyst

Title data

Rauch, Dieter ; Albrecht, Gaby ; Kubinski, David J. ; Moos, Ralf:
A microwave-based method to monitor the ammonia loading of a vanadia doped tungsten-titania SCR catalyst.
2014
Event: The 15th International Meeting on Chemical Sensors, IMCS 15 , 16.-19.03.2014 , Buenos Aires, Argentina.
(Conference item: Conference , Other Presentation type)

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Abstract in another language

Nitrogen oxides are major emissions of lean burn combustion engines. For emission control, selective catalytic reduction exhaust gas aftertreatment systems are applied. Ammonia serves as the reducing agent and vanadia doped tungsten–titania is widely used as the catalyst material. Before the reduction of NOx can proceed, ammonia has to be adsorbed on the catalyst. Thereby, the conductivity of the catalyst material increases, which can be detected by microwaves excited in the catalyst housing. Using the technique presented in this work allows for determining the ammonia loading directly and in-situ.

Further data

Item Type: Conference item (Other)
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Faculties
Faculties > Faculty of Engineering Science > Chair Functional Materials
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Profile Fields
Profile Fields > Advanced Fields
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 13 May 2015 07:23
Last Modified: 15 Apr 2016 07:22
URI: https://eref.uni-bayreuth.de/id/eprint/13183