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NOx Adsorption Site Engineering in Ru/Ba,Na–Y Zeolite

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journal contribution
posted on 22.02.2016, 19:04 by Sylvia Smeekens, Steven Heylen, Nikki, Janssens, Kristof Houthoofd, Johan A. Martens, Christine E. A. Kirschhock
Adsorption of gas molecules is a typical application for zeolites. Interaction of adsorbed molecules with cations in zeolite frameworks is responsible for selectivity and adsorption strength. Through detailed analysis of the cation distribution in zeolite Y containing Na+, Ba2+, and Ru3+ cations by NMR and X-ray diffraction combined with adsorption studies it was possible to develop a reversible, highly performant NOx adsorbent. The results demonstrate intimate understanding of guest–host interactions can lead to rational tailoring of zeolite properties.