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Different Zeolite Phases Obtained with the Same Organic Structure Directing Agent in the Presence and Absence of Aluminum: The Directing Role of Aluminum in the Synthesis of Zeolites

Altundal, Ömer Faruk; León-Rubio, Santiago; Sastre Navarro, German Ignacio (American Chemical Society, 2023-05-30)

[EN] Zeolites are a large family of crystalline microporous materials with, mainly, silicate and aluminosilicate composition. Each topology can only be synthesized in a specific range of aluminum content, Al/(Si + Al), ...
Effect of Intracrystalline Silanol Defects on the Diffusivity of Benzene in Silicalite Zeolite

Misturini, Alechania; Altundal, Ömer F.; García-Aznar, Pablo; Kariminasab, Sara; SASTRE NAVARRO, GERMAN IGNACIO (John Wiley & Sons, 2023-11)

[EN] Intracrystalline zeolite silanol defect groups (& EQUIV;SiOH) were modelled in silicalite (silica ZSM-5, MFI) using experimental data. We make a molecular dynamics study on the self-diffusivity of benzene in silicalite ...
The Directing Role of Aluminum in the Synthesis of PST-21 (PWO), PST-22 (PWW), and ERS-7 (ESV) Zeolites

Altundal, Ömer F.; Sastre Navarro, German Ignacio (American Chemical Society, 2023-07-31)

[EN] Zeolites are a diverse class of crystalline microporousmaterialsof, mainly, aluminosilicate chemical composition. Organic structure-directingagents (OSDAs) are generally utilized in zeolite synthesis to drivethe outcome ...

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