K-F zeolite nanocrystals synthesized from organic-template-free precursor mixture

Wong, Siew Fang and Awala, Hussein and Vincente, Aurélie and Retoux, Richard and Ling, Tau Chuan and Mintova, Svetlana and Mukti, Rino R. and Ng, Eng Poh (2017) K-F zeolite nanocrystals synthesized from organic-template-free precursor mixture. Microporous and Mesoporous Materials, 249. pp. 105-110. ISSN 1387-1811

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Official URL: https://doi.org/10.1016/j.micromeso.2017.04.053

Abstract

K-F zeolite nanocrystals (structure code EDI) are synthesized from a template-free Al 2 O 3 –SiO 2 –K 2 O–H 2 O precursor system. The use of a very reactive organic-template-free gel system (4SiO 2 : 1Al 2 O 3 : 16K 2 O: 160H 2 O) enables the crystallization of EDI-type nanosized zeolite to accomplish within 3 h at 100 °C. The K-F zeolite crystals have flattened cuboid shape morphology (ca. 27 nm) and they tend to agglomerate and form secondary spherical particles (ca. 310 nm). The K-F zeolite nanocrystals have high alumina content (Si/Al ratio = 1.10) and high crystalline solid yield (79%) offering a promising route for large-scale production of hydrophilic zeolite nanoparticles.

Item Type: Article
Uncontrolled Keywords: K-F, EDI; Zeolite; Nanocrystals; Template-free synthesis; Hydrothermal synthesis
Subjects: Q Science > Q Science (General)
Q Science > QH Natural history
Divisions: Faculty of Science > Institute of Biological Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 21 Oct 2019 08:10
Last Modified: 03 Jan 2020 04:10
URI: http://eprints.um.edu.my/id/eprint/22786

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