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Die gezielte Entwicklung von Zeolithen …… mit einstellbarer Zusammensetzung und Anordnung der Säurezentren ist eine signifikante Herausforderung für Anwendungen in der Adsorption und Katalyse. In ihrer Zuschrift auf S. 13551 berichten W. Chaikittisilp, J. D. Rimer und Mitarbeiter über die Synthese von hochsilikatischem Faujasit (HOU‐3) mit einem Si/Al‐Verhältnis von 3. Es wird gezeigt, dass die Positionierung...
We report the most siliceous FAU‐type zeolite, HOU‐3, prepared via a one‐step organic‐free synthesis route. Computational studies indicate that it is thermodynamically feasible to synthesize FAU with SAR=2–7, though kinetic factors seemingly impose a more restricted upper limit for HOU‐3 (SAR≈3). Our findings suggest that a slow rate of crystallization and/or low concentration of Na+ ions in HOU‐3...
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