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A comparison of NOx...
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Perdana, Indra,1973Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Department of Chemical Reaction Engineering
(author)
A comparison of NOx adsorption on Na, H and BaZSM-5 films
- Article/chapterEnglish2007
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LIBRIS-ID:oai:research.chalmers.se:ebbadb27-3e41-4433-9048-353387fc72f3
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https://research.chalmers.se/publication/26413URI
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https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-7278URI
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https://doi.org/10.1016/j.apcatb.2006.09.016DOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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Validerad; 2007; 20070130 (ysko)
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NOx adsorption in ZSM-5 films containing Na+, H+ or Ba2+ as counter ions was studied. NaZSM-5 films showed a superior NOx adsorption capacity over the entire temperature range (30-350ºC) in comparison with the other films. Besides the possibility to form strongly bound surface nitrate species, the presence of the Na ions in ZSM-5 resulted in a large enhancement of various weakly adsorbed species. In the HZSM-5 film, the NOx adsorption was mainly due to physisorption, surface nitric acid and nitrosium ion (NO+) formation. Besides weakly adsorbed species and surface nitric acid, the NOx adsorption in BaZSM-5 films also resulted in formation of strongly bound surface nitrate species. The nitrate species in the BaZSM-5 film were found to be resistant to NO exposure and were mainly formed through an NO2 disproportionation pathway.
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Creaser, Derek,1966Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Department of Chemical Reaction Engineering(Swepub:ltu)bib-dercre
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Öhrman, Olov
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Hedlund, JonasLuleå tekniska universitet,Industriell miljö- och processteknik(Swepub:ltu)johe
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Chalmers tekniska högskolaChalmers University of Technology, Department of Chemical Reaction Engineering
(creator_code:org_t)
Related titles
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In:Applied Catalysis B: Environmental: Elsevier BV72, s. 82-910926-33731873-3883
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