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

Author:
De Prins, Michiel, Verheyen, Elke, Kerkhofs, Stef, Hoffmann, Andreas, Vanbutsele, Gina, Sree, Sreeprasanth Pulinthanathu, Radhakrishnan, Sambhu, Van Tendeloo, Leen, Breynaert, Eric, Kirschhock, Christine E. A., Schütze, Frank-Walter, Martens, Johan A.
Source:
Chemical communications 2018 v.54 no.44 pp. 5626-5629
ISSN:
1364-548X
Subject:
aluminum, cations, cesium, chemical reactions, filters, silicon, zeolites
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.
Agid:
6175107