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Effect of Synthetic Methods on Synthesis of Hierarchical Porous SAPO-11
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Zhiping CHEN1, 2, Faxiang SHI1, Guangheng WANG1, Wenwu ZHOU1, 2, Ying QU1, Zhiyuan YANG1, 2, Anning ZHOU1, 2
Journal of the Chinese Ceramic Society | 2020, 48(4) : 577 - 583
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Journal of the Chinese Ceramic Society | 2020, 48(4): 577-583
Effect of Synthetic Methods on Synthesis of Hierarchical Porous SAPO-11
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Zhiping CHEN1, 2, Faxiang SHI1, Guangheng WANG1, Wenwu ZHOU1, 2, Ying QU1, Zhiyuan YANG1, 2, Anning ZHOU1, 2
Affiliations
  • 1.College of Chemistry and Chemical Engineering, Xi'an University of Science & Technology, Xi'an 710054, China
  • 2.Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Natural Resources, Xi'an 710021, China

    • CHEN Zhiping (1982-), male, Ph.D., Lecturer. E-mail:

About Author:

CHEN Zhiping (1982-), male, Ph.D., Lecturer. E-mail:

Published: 2020-04-20 doi: 10.14062/j.issn.0454-5648.20190624
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A hierarchical porous SAPO-11 zeolite was synthesized via dodecyl trimethylammonium bromide (DTAB) as a mesoporous template and hydrochloric acid post-treatment, respectively. The synthesized samples were characterized by X-ray diffraction, N2 adsorption-desorption, scanning electron microscopy and transmission electron microscopy. The effect of different synthetic methods on the structure and morphology of the hierarchical porous SAPO-11 was investigated. The results indicate that the content of mesoporous template DTAB has a great influence on the pore structure and external surface area of SAPO-11. When n(DTAB)∶n(Al2O3)=0.4∶1.0, the composition of the synthesis system is n(Al2O3)∶n(P2O5)∶n(DPA+DIPA)∶n(SiO2)∶n(H2O)=1.0∶1.0∶1.0∶0.5∶50.0, the external surface area and pore volume of the synthesized hierarchical pore SAPO-11 become the maximum values. For the hydrochloric acid post-treatment, the maximum external surface area and pore volume of hierarchical pore SAPO-11 are obtained when the concentration of hydrochloric acid is 0.3 mol/L. Compared to the two methods, hydrochloric acid treatment can destroy the spherical morphology of SAPO-11. Besides the slit holes produced due to the grain accumulation, the channels also come from the slit holes formed due to the layer structure. The hierarchical holes of SAPO-11 synthesized with mesoporous template DTAB mainly comes from the slit holes formed due to the grain accumulation. The crystal structure of the zeolite retains and the specific surface area increases.

SAPO-11 zeolite  /  hierarchical porous  /  mesoporous template  /  hydrochloric acid post-treatment
陈治平, 石发翔, 汪广恒, 周文武, 瞿颖, 杨志远, 周安宁. 合成方法对合成多级孔SAPO-11分子筛的影响. 硅酸盐学报, 2020 , 48 (4) : 577 -583 . DOI: 10.14062/j.issn.0454-5648.20190624
Zhiping CHEN, Faxiang SHI, Guangheng WANG, Wenwu ZHOU, Ying QU, Zhiyuan YANG, Anning ZHOU. Effect of Synthetic Methods on Synthesis of Hierarchical Porous SAPO-11[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (4) : 577 -583 . DOI: 10.14062/j.issn.0454-5648.20190624
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Year 2020 volume 48 Issue 4
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Article Info
doi: 10.14062/j.issn.0454-5648.20190624
  • Receive Date：2019-09-11
  • Online Date：2026-10-29
  • Published：2020-04-20
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History
  • Received：2019-09-11
  • Revised：2019-09-25
Funding
Affiliations
    1.College of Chemistry and Chemical Engineering, Xi'an University of Science & Technology, Xi'an 710054, China
    2.Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Natural Resources, Xi'an 710021, China

Corresponding:

ZHOU Wenwu (1988-), male, Ph.D., Associate Professor. E-mail:
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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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