Acceleration of Zeolite Crystallization: Current Status, Mechanisms, and Perspectives
En-Hui Yuan,
Rui Han,
Jun-Yu Deng
et al.
Abstract:Zeolites are important classes of crystalline materials
and possess
well-defined channels and cages with molecular dimensions. They have
been extensively employed as heterogeneous catalysts and gas adsorbents
due to their relatively large specific surface areas, high pore volumes,
compositional flexibility, definite acidity, and hydrothermal stability.
The zeolite synthesis normally undergoes high-temperature hydrothermal
treatments with a relatively long crystallization time, which exhibits
low synthesis eff… Show more
The simultaneous coupling of low frequency ultrasound and hydrothermal conditions has proved to be an innovative alternative for zeolite synthesis. Fully crystalline zeolite A was obtained with a 9.6-fold kinetic gain compared to silent conditions.
The simultaneous coupling of low frequency ultrasound and hydrothermal conditions has proved to be an innovative alternative for zeolite synthesis. Fully crystalline zeolite A was obtained with a 9.6-fold kinetic gain compared to silent conditions.
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