Chem. J. Chinese Universities ›› 2021, Vol. 42 ›› Issue (1): 21.doi: 10.7503/cjcu20200201

Special Issue: 分子筛功能材料 2021年,42卷,第1期

• Review • Previous Articles     Next Articles

Reconsideration of Crystallization Process for Aluminosilicate Zeolites

WU Qinming, WANG Yeqing, MENG Xiangju, XIAO Fengshou()   

  1. Department of Chemistry,Zhejiang University,Hangzhou 320028,China
  • Received:2020-04-14 Online:2021-01-10 Published:2021-01-12
  • Contact: XIAO Fengshou E-mail:fsxiao@zju.edu.cn
  • Supported by:
    ? Supported by the National Natural Science Foundation of China(21720102001)

Abstract:

Despite great efforts have been performed for a long time since 1950s’, new achievements for zeolite synthesis in recent years give many examples to overstep the traditional theory for zeolite crystallization, in particular to the template effect, water role, zeolite building units, and crystal transformation in the aluminosilicate zeolites. In this review, authors systemically discuss the essence of the aforementioned factors. By investigation of template effect, it is suggested a new strategy for organotemplate-free synthesis of aluminosilicate zeolites; through understanding the role of water in the zeolite synthesis, it is designed solvent-free synthesis of zeolites; observed by crystal transformation of zeolites, it is proposed that both low to high framework density and high to low framework density could be realized.

Key words: Aluminosilicate zeolites, Zeolite crystallization process, Template effect, Hydrothermal synthesis

CLC Number: 

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