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Synthesis of Hierarchical ZSM-5 Zeolite and Its Catalytic Performance
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Minglei GOU, Zhiyuan HAN, Yijun LIU, Chenming LI, Wensheng SONG, Zhen LIU
Journal of the Chinese Ceramic Society | 2022, 50(3) : 805 - 811
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Journal of the Chinese Ceramic Society | 2022, 50(3): 805-811
• Research Articles •
Synthesis of Hierarchical ZSM-5 Zeolite and Its Catalytic Performance
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Minglei GOU, Zhiyuan HAN, Yijun LIU, Chenming LI, Wensheng SONG, Zhen LIU
Affiliations
  • School of Chemical Engineering and Pharmaceutics, Henan University of Science and Technology, Luoyang 471023, Henan, China

    • GOU Minglei (1984-), male, Ph. D., Associate Professor. E-mail:

About Author:

GOU Minglei (1984-), male, Ph. D., Associate Professor. E-mail:

Published: 2022-03-20 doi: 10.14062/j.issn.0454-5648.20210405
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Hierarchical ZSM-5 zeolite was synthesized by a seed-assisted dry-gel conversion method, and the effects of seed amount, deionized water amount and crystallizing time on the structure and morphology of hierarchical zeolite were investigated. The results show that the crystallization rate of zeolite is increased with seed addition. Amorphous silica-aluminium gel can directly dissolve in the water film condensing on the seed surface and rapidly grew into ZSM-5 nano-zeolite near the seed. Simultaneously, nano-zeolites aggregate and some mesoporous channels are formed between the nano-crystals. The size of nano-zeolite and the resulting mesoporous pores can be adjusted by seed amount, deionized water amount and crystallizing time. The catalytic stability of the resulting hierarchical ZSM-5 zeolite is improved by nearly 5 times, compared with the conventional zeolite in the isomerization of styrene oxide to phenylacetaldehyde.

dry-gel conversion  /  seed crystal  /  hierarchical pore  /  nano-zeolite  /  catalytic performance
勾明雷, 韩志远, 刘一君, 李晨铭, 宋文生, 刘振. 多级孔ZSM-5沸石的制备及其催化性能. 硅酸盐学报, 2022 , 50 (3) : 805 -811 . DOI: 10.14062/j.issn.0454-5648.20210405
Minglei GOU, Zhiyuan HAN, Yijun LIU, Chenming LI, Wensheng SONG, Zhen LIU. Synthesis of Hierarchical ZSM-5 Zeolite and Its Catalytic Performance[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (3) : 805 -811 . DOI: 10.14062/j.issn.0454-5648.20210405
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Year 2022 volume 50 Issue 3
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Article Info
doi: 10.14062/j.issn.0454-5648.20210405
  • Receive Date：2021-05-21
  • Online Date：2026-10-22
  • Published：2022-03-20
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History
  • Received：2021-05-21
  • Revised：2021-10-05
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    School of Chemical Engineering and Pharmaceutics, Henan University of Science and Technology, Luoyang 471023, Henan, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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