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Proton transport in Fe-ZSM-5 and Cu-ZSM-5 zeolites for NH3-SCR : an in situ impedance-DRIFT spectroscopy study

Title data

Chen, Peirong ; Schönebaum, Simon ; Moos, Ralf ; Simon, Ulrich:
Proton transport in Fe-ZSM-5 and Cu-ZSM-5 zeolites for NH3-SCR : an in situ impedance-DRIFT spectroscopy study.
2016
Event: 16th International Congress on Catalysis (ICC 16) , July 3-8, 2016 , Beijing, China.
(Conference item: Conference , Speech )

Project information

Project title:
Project's official titleProject's id
No informationMo 1060/19-1

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

Simultaneous IS and DRIFTS studies were performed in situ over highly comparable Fe-ZSM-5 and Cu-ZSM-5 zeolite catalysts for NH3-SCR, aiming at a molecular understanding of the proton transport behaviors under SCR-related reaction onditions. While the proton transport in Fe-ZSM-5 depends on the amount of NH3-related surface species (i.e. NH4+ and weakly bound NH3 species), the proton transport in Cu-ZSM-5 is dominated by the NH4NO3 intermediate resulting from the interaction between NH4+ and activated NO on Cu sites. This molecular understanding of proton transport properties thus provides a new perspective on the interpretation of the NH3-SCR performance on Fe-ZSM-5 and Cu-ZSM-5 zeolites at low temperatures.

Further data

Item Type: Conference item (Speech)
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
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Faculties
Faculties > Faculty of Engineering Science > Chair Functional Materials
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: 08 Aug 2016 08:42
Last Modified: 08 Aug 2016 08:42
URI: https://eref.uni-bayreuth.de/id/eprint/34071