BaY zeolites are very promising catalysts for catalytic NO x reduction. The structural and catalytic properties of BaY, Faujasite zeolites were studied using synchrotron based time-resolved XRD and XANES. Dehydration and NO 2 dosing were employed as probe methods. The location of the Ba cations changed because of interactions with the gas molecules. In the model generated from Rietveld refinement, a N 4O 6 cluster was found in the supercage, and a different N containing species was observed on a Ba site. The changes to this structure during thermal heating were also followed. Implications for SCR and zeolite sensors are also presented. This is an abstract of a paper presented at the 228th ACS National Meeting (Philadelphia, PA, 8/22-26/2004).
|Original language||English (US)|
|Journal||ACS National Meeting Book of Abstracts|
|State||Published - Oct 20 2004|
|Event||Abstracts of Papers - 228th ACS National Meeting - Philadelphia, PA, United States|
Duration: Aug 22 2004 → Aug 26 2004
All Science Journal Classification (ASJC) codes
- Chemical Engineering(all)