Synthesis and characterization of zeolite mazzite analogue in Na2O–Al2O3–SiO2–Piperazine–H2O

被引：0
|
作者：
H. Xu
P. Dong
L. Liu
J.-G. Wang
F. Deng
J.-X. Dong
机构：
[1] Graduate School of the Chinese Academy of Sciences,Research Institute of Special Chemicals
[2] Taiyuan University of Technology,State Key Laboratory of Coal Conversion
[3] Institute of Coal Chemistry,State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics
[4] Chinese Academy of Sciences,undefined
[5] Wuhan Institute of Physics and Mathematics,undefined
[6] Chinese Academy of Sciences,undefined
来源：
Journal of Porous Materials | 2007年 / 14卷
关键词：
Zeolite mazzite analogue; Piperazine; Synthesis; Characterization;
D O I：
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中图分类号：
学科分类号：
摘要：
Zeolite Mazzite (MAZ) analogue was synthesized directly using piperazine as a structure directing agent. The reactive gel composition used was (5.0–7.0) piperazine:(6.0–7.0) Na2O:Al2O3:20.0SiO2:400H2O. Using this composition, the reaction time was shortened greatly to 4 days and the crystallization time was reduced as well. The DTA data showed that piperazine, in as-synthesized zeolite omega decomposed easily. The decomposition of the piperazine occurred at 400–480°C. NH3-TPD analysis proved that zeolite H-omega from piperazine had strong surface acidity with ammonia desorption temperature up to 590°C.
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页码：97 / 101
页数：4
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