Organotemplate-free Hydrothermal Synthesis of SUZ-4 Zeolite：Influence of Synthesis Conditions

周华兰; 吴雅静; 张伟; 王军

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Organotemplate-free Hydrothermal Synthesis of SUZ-4 Zeolite：Influence of Synthesis Conditions

材料与产品工程 | Updated：2026-01-06

- Organotemplate-free Hydrothermal Synthesis of SUZ-4 Zeolite：Influence of Synthesis Conditions
- Chinese Journal of Chemical Engineering Vol. 22, Issue 1, Pages: 120-1261004-954160019-7(2014)
- Affiliations：
  
  2 College of Sciences, Nanjing University of Technology,Nanjing,China,210009
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2014
- Accepted：
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ZHOU Hualan, WU Yajing, ZHANG Wei, WANG Jun. Organotemplate-free Hydrothermal Synthesis of SUZ-4 Zeolite：Influence of Synthesis Conditions[J]. Chin.J.Chem.Eng., 2014, 22(1): 120-126.
DOI：

ZHOU Hualan, WU Yajing, ZHANG Wei, WANG Jun. Organotemplate-free Hydrothermal Synthesis of SUZ-4 Zeolite：Influence of Synthesis Conditions[J]. Chin.J.Chem.Eng., 2014, 22(1): 120-126. DOI：

摘要

Abstract

Various conditions were investigated in detail for the novel organic template-free static hydrothermal synthesis of SUZ-4 zeolite in the presence of seeds. The obtained samples were characterized by XRD (X-ray diffraction)

SEM (scanning electron microscope)

TG (thermal gravimetric analysis)

ICP (inductively coupling plasma) elemental analysis

nitrogen sorption isotherm and surface area. The results show that pure SUZ-4 zeolites with high crystallinity are obtained in a broad window of synthesis conditions: seed mass concentration 0.2%-2%

SiO

/Al

molar ratio 21-25

KOH/SiO

molar ratio 0.33-0.43

O/SiO

molar ratio 7.14-38.1

aging time 24 h

crystallization temperature 160℃

and crystallization time 6-10 d. Also

crystallinity and size of the rod-like SUZ-4 zeolite crystals are found to alter with the conditions.

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