Zeolite Blending: A New Approach to Direct Crystallization of Aluminosilicate Zeolite

Abstract: Various synthesis methods for zeolites have been developed to date; however, precise control over aluminum (Al) content remains a significant challenge. For instance, in the case of CON‐type zeolites, it is especially difficult to obtain a Si/Al ratio below a value of approximately 100 by direct synthesis, and below approximately 30 by post‐treatment. In this study, we have developed a novel direct synthesis method of the CON‐type zeolite having desired Al content by applying the interzeolite conversion/interzeolite transformation, wherein precursor zeolites that possess common composite building units (CBUs) with the target zeolite are employed as the Al and Si source. Initially, a single zeolite was utilized as a precursor, resulting in the successful synthesis of a high Al CON‐type zeolite (Si/Al=40). Finally, we developed a novel synthesis method of the CON‐type zeolite; blending of two types of zeolites, MFI and Beta, as starting material in the IZC method led to the direct crystallization of the CON‐type aluminosilicate with high Al content (Si/Al=20).

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Zeolite Blending: A New Approach to Direct Crystallization of Aluminosilicate Zeolite ; day:19 ; month:02 ; year:2025 ; extent:6
Angewandte Chemie / International edition. International edition ; (19.02.2025) (gesamt 6)

Urheber
Sawada, Masato
Okubo, Kensuke
Lu, Yao
Bekhti, Samya
Toyoda, Hiroto
Zhao, Liang
Onozuka, Hiroaki
Tsutsuminai, Susumu
Kondo, Junko N.
Gies, Hermann
Yokoi, Toshiyuki

DOI
10.1002/anie.202424442
URN
urn:nbn:de:101:1-2502191324121.152840678815
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:27 MESZ

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Beteiligte

  • Sawada, Masato
  • Okubo, Kensuke
  • Lu, Yao
  • Bekhti, Samya
  • Toyoda, Hiroto
  • Zhao, Liang
  • Onozuka, Hiroaki
  • Tsutsuminai, Susumu
  • Kondo, Junko N.
  • Gies, Hermann
  • Yokoi, Toshiyuki

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