Iron-exchanged UZM-35: An active NH3-SCR catalyst at low temperatures

[Display omitted] •Fresh Fe-UZM-35 shows significantly higher low-temperature NH3-SCR activity than fresh Fe-beta.•When hydrothermally aged at 1173 K, however, the opposite result was observed.•Iron species in fresh Fe-UZM-35 are mostly present as isolated Fe3+ ions.•Zeolite framework topology is ke...

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Veröffentlicht in:Applied catalysis. B, Environmental Environmental, 2020-06, Vol.266, p.118622, Article 118622
Hauptverfasser: Ryu, Taekyung, Hong, Suk Bong
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Sprache:eng
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