Reactivity and transformation routes of surface nitrates in the reaction of NOx reduction by C3H8 over cation-exchanged zeolitesстатья
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Дата последнего поиска статьи во внешних источниках: 30 октября 2013 г.
Аннотация:FITRS combined with15N and18O isotope substitution and TPD have revealed that nitrates are the most abundant ad-NOx species on over-exchanged Cu- and Co-ZSM-5 zeolites. the transformation rates of such species under the action of a propane—oxygen mixture were found to be comparable and sufficiently high to afford steady-state catalytic activities. A scheme of the reaction mechanism including C, N-containing intermediates detected in work is suggested.