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Synthesis and Characterization of Hierarchical Zeolite L Nanocrystals
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Na HU, Jiayou ZHANG, Huizhi ZHANG, Xiangshu CHEN
Journal of the Chinese Ceramic Society | 2020, 48(2) : 309 - 315
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Journal of the Chinese Ceramic Society | 2020, 48(2): 309-315
Synthesis and Characterization of Hierarchical Zeolite L Nanocrystals
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Na HU, Jiayou ZHANG, Huizhi ZHANG, Xiangshu CHEN
Affiliations
  • Institute of Advanced Materials (IAM), State-Province Joint Engineering Laboratory of Zeolite Membrane Materials, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China

    • HU Na (1984−), female, Ph.D., Senior Experimentalist. E-mail:

About Author:

HU Na (1984−), female, Ph.D., Senior Experimentalist. E-mail:

Published: 2020-02-20 doi: 10.14062/j.issn.0454-5648.20190457
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Zeolite L with a Si/Al moles ratio of 1.9 was synthesized from initial concentrated gel in the absence of organic templates. The crystallization behavior and the crystal microstructure during crystallization were analyzed by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, nitrogen adsorption-desorption and energy dispersive X-ray spectroscopy. The effects of synthesis parameters such as synthesis time, aging time and molar compositions on the crystal growth were investigated. The results show that as-synthesized zeolite nanocrystals possess hierarchical structure. Pure zeolite L with a high crystallinity was obtained within a wide ratio range of gel SiO2/Al2O3 of 20-100. Moreover, the adsorption performance of the samples under the optimized synthesis conditions were evaluated via the equilibrium adsorption of pure gases CO2, CH4 and N2 at 25 ℃. Zeolite nanocrystals exhibit a high CO2 adsorption capacity.

zeolite  /  crystal growth  /  nanocrystals  /  hierarchical structure  /  adsorption
胡娜, 张家友, 张慧智, 陈祥树. 多级孔道纳米L型分子筛的合成与表征. 硅酸盐学报, 2020 , 48 (2) : 309 -315 . DOI: 10.14062/j.issn.0454-5648.20190457
Na HU, Jiayou ZHANG, Huizhi ZHANG, Xiangshu CHEN. Synthesis and Characterization of Hierarchical Zeolite L Nanocrystals[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (2) : 309 -315 . DOI: 10.14062/j.issn.0454-5648.20190457
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Year 2020 volume 48 Issue 2
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Article Info
doi: 10.14062/j.issn.0454-5648.20190457
  • Receive Date：2019-07-01
  • Online Date：2026-10-29
  • Published：2020-02-20
Article Data
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History
  • Received：2019-07-01
  • Revised：2019-08-01
Funding
Affiliations
    Institute of Advanced Materials (IAM), State-Province Joint Engineering Laboratory of Zeolite Membrane Materials, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China

Corresponding:

CHEN Xiangshu (1966−), male, Ph.D., 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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