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  • Perdana, Indra, 1973, et al. (author)
  • A comparison of NOx adsorption on Na, H and BaZSM-5 films
  • 2007
  • In: Applied Catalysis B: Environmental. - : Elsevier BV. - 0926-3373 .- 1873-3883. ; 72, s. 82-91
  • Journal article (peer-reviewed)abstract
    • 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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  • Result 1-1 of 1
Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Creaser, Derek, 1966 (1)
Hedlund, Jonas (1)
Öhrman, Olov (1)
Perdana, Indra, 1973 (1)
University
Luleå University of Technology (1)
Chalmers University of Technology (1)
Language
English (1)
Research subject (UKÄ/SCB)
Engineering and Technology (1)
Year
2007 (1)

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