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Citation: Gao Jun, Qiao Shuping, Jian Li, Gao Zhi, Cui Xiulan. On the Crystallization Process of 4A Zeolite from Kaolin[J]. Chinese Journal of Applied Chemistry, ;1999, 16(6): 53-55. shu

On the Crystallization Process of 4A Zeolite from Kaolin

1.
Department of Chemical Engineering, Inner Mongolia Polytechnic University, Huhehaote 010062

Received Date: 19 April 1999
Available Online: 25 June 1999
Fund Project: 内蒙古自然科学基金资助课题(971302-2) (971302-2)

4A Zeolite has been prepared from Kaolin under low-temperature hydrothermal conditions.The analysis results on the concentration changes of NaOH, SiO₂ and Al₂O₃ in liquid phases as well as the texture, morphology and structure changes of solid phases show that the crystallization process of 4A zeolite roughly comprises three periods: induction of crystal nucleus, crystal growth and steady state transformation.
- Kaolin,
- zeolite,
- crystallization process
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