Rational direct synthesis methodology of very active and hydrothermally stable Cu-SAPO-34 molecular sieves for the SCR of NOx

[Display omitted] ► Rational direct synthesis of Cu-SAPO-34 by using the co-directing templates. ► Easy control of Cu-loading in Cu-SAPO-34 materials, and very high solid yields. ► High activity and stability for SCR of NOx. A one-pot direct synthesis of Cu-SAPO-34 has been achieved that allows more...

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Veröffentlicht in:Applied catalysis. B, Environmental Environmental, 2012-10, Vol.127, p.273-280
Hauptverfasser: Martínez-Franco, Raquel, Moliner, Manuel, Franch, Cristina, Kustov, Arkady, Corma, Avelino
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Sprache:eng
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Zusammenfassung:[Display omitted] ► Rational direct synthesis of Cu-SAPO-34 by using the co-directing templates. ► Easy control of Cu-loading in Cu-SAPO-34 materials, and very high solid yields. ► High activity and stability for SCR of NOx. A one-pot direct synthesis of Cu-SAPO-34 has been achieved that allows more than 90% yield in the material synthesis. By this method it is easy to control the Cu-loading in the Cu-SAPO-34. It is presented that a maximum in hydrothermal stability with very high activity for NOx SCR with NH3 is obtained for an optimum Cu loading.
ISSN:0926-3373
1873-3883
DOI:10.1016/j.apcatb.2012.08.034