Selective catalytic reduction of NO by NH3 on Fe-ZSM-5 elaborated from different methods

Delahay, G., Guzman-Vargas, A., Valade, D. and Coq, B. (2004). Selective catalytic reduction of NO by NH3 on Fe-ZSM-5 elaborated from different methods. In: Recent advances in the science and technology of zeolites and related materials: Proceedings of the 14th International Zeolite Conference. 14th International Zeolite Conference on Recent Advances in the Science and Technology of Zeolites and Related Materials, Cape Town, South Africa, (2501-2508). 25-30 April 2004.

Author Delahay, G.
Guzman-Vargas, A.
Valade, D.
Coq, B.
Title of paper Selective catalytic reduction of NO by NH3 on Fe-ZSM-5 elaborated from different methods
Formatted title
Selective catalytic reduction of NO by NH3 on Fe-ZSM-5 elaborated from different methods
Conference name 14th International Zeolite Conference on Recent Advances in the Science and Technology of Zeolites and Related Materials
Conference location Cape Town, South Africa
Conference dates 25-30 April 2004
Proceedings title Recent advances in the science and technology of zeolites and related materials: Proceedings of the 14th International Zeolite Conference   Check publisher's open access policy
Journal name Studies in Surface Science and Catalysis   Check publisher's open access policy
Place of Publication Amsterdam, Netherlands
Publisher Elsevier
Publication Year 2004
Sub-type Fully published paper
Open Access Status Not Open Access
ISBN 9780444518057
ISSN 0167-2991
Volume 154
Start page 2501
End page 2508
Total pages 7
Language eng
Formatted Abstract/Summary
Different methods of preparation have been used to introduce iron species in the zeolite ZSM-5. Special consideration has been devoted to the FeCl3 sublimation method. The various samples have been characterised by XRD and temperature programmed reduction. Two general types of species have been identified: iron oxide aggregates and iron cationic species. In the SCR of NO by NH3, Fe-ZSM-5 prepared from sublimation of FeCl3 displays the highest activity which is assumed to be related to the formation of iron-oxo complexes. The formation of these species is enhanced by a rapid washing of the preparation after the sublimation of FeCl3 following by a calcination with 5-10%O2 atmosphere. The SCR activity has been correlated with the activity in oxidising NO to NO2.
Keyword SCR
NH3
NO
Iron
Zeolite
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

 
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Created: Wed, 09 Mar 2011, 23:48:32 EST