| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 76807 | Microporous and Mesoporous Materials | 2007 | 8 Pages |
Abstract
Zeolite beta was hydrothermally synthesized in the SiO2:Al2O3:TEAOH:H2O system without the presence of alkali cations. The effects of TEAOH/SiO2 molar ratio, and gel dilution on the crystallization kinetics, particle size, and framework SiO2/Al2O3 of synthesized zeolite beta were studied. The as-synthesis and calcinated zeolites were characterized by XRD, TEM, N2 adsorption, TG/DTA. When TEAOH/SiO2 molar ratio was increased, the induction time, particle size, and framework SiO2/Al2O3 of zeolites decrease. Concentrated gel favoured the increase of nucleation rate and framework SiO2/Al2O3 of zeolites, and the reduction of particle sizes.
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Authors
Lianhui Ding, Ying Zheng,