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Title

Iron-containing SSZ-39 (AEI) zeolite: An active and stable high-temperature NH3-SCR catalyst

AuthorsMartín, Nuria; Vennestrøm, Peter N. R.; Thøgersen, Joakim; Moliner Marín, Manuel; Corma, Avelino
KeywordsSSZ-39
Selective catalytic reduction of NOx
AEI zeolites
Heterogeneous catalysis
Iron zeolites
Issue Date2017
PublisherJohn Wiley & Sons
CitationChemCatChem 9(10): 1754-1757 (2017)
AbstractThe preparation of the iron-containing SSZ-39 zeolite is described for the first time through two different synthesis methods: post-synthetic cation exchange and one-pot synthesis. The nature and stability of the iron species within the different Fe-SSZ-39 materials have been studied through different characterization techniques, and their catalytic activity has been evaluated for the selective catalytic reduction (SCR) of NO with ammonia. The directly synthetized Fe-SSZ-39 performs better for the SCR of NO with ammonia than other related Fe-zeolites, particularly at elevated reaction temperatures (above 450 °C), and presents improved hydrothermal stability when aged under severe conditions.
Publisher version (URL)https://doi.org/10.1002/cctc.201601627
URIhttp://hdl.handle.net/10261/162198
Identifiersdoi: 10.1002/cctc.201601627
e-issn: 1867-3899
issn: 1867-3880
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