EU-7 zeolite: a synthetic BIK type zeolite with high hydrothermal stability

Michiel De Prins; Elke Verheyen; Stef Kerkhofs; Andreas Hoffmann; Gina Vanbutsele; Sreeprasanth Pulinthanathu Sree; Sambhu Radhakrishnan; Leen Van Tendeloo; Eric Breynaert; Christine E. A. Kirschhock; Frank-Walter Schütze; Johan A. Martens

doi:10.1039/C8CC02227E

EU-7 zeolite: a synthetic BIK type zeolite with high hydrothermal stability†

Michiel De Prins,

^a Elke Verheyen,^a Stef Kerkhofs,^ab Andreas Hoffmann,^a Gina Vanbutsele,^a Sreeprasanth Pulinthanathu Sree,

^a Sambhu Radhakrishnan,

^a Leen Van Tendeloo,^c Eric Breynaert,

^a Christine E. A. Kirschhock,

^a Frank-Walter Schütze^b and Johan A. Martens

*^a

Author affiliations

* Corresponding authors

^a Centre for Surface Chemistry and Catalysis, University of Leuven, Leuven, Belgium
E-mail: johan.martens@kuleuven.be

^b Umicore AG&Co. KG, Hanau, Germany

^c Umicore AG&Co. KG, Olen, Belgium

Abstract

EU-7 zeolite with Si/Al ratio of 15 is identified as a BIK type zeolite. The framework charge is compensated with Cs⁺ cations located in 8-ring channels at regular distances. Even partially exchanged, Cu-loaded EU-7 is active in NH₃-SCR and withstands hydrothermal aging at 900 °C needed for application in diesel particulate filters.

This article is part of the themed collection: Industry R&D collection

Chemical Communications

EU-7 zeolite: a synthetic BIK type zeolite with high hydrothermal stability†

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