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Preparation of Mesoporous Petal-like MgAl2O4
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Qian WU1, Guo FENG1, Sanhai WANG2, Feng JIANG2, Lifeng MIAO1, Weihui JIANG1, 2
Journal of the Chinese Ceramic Society | 2023, 51(1) : 163 - 170
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Journal of the Chinese Ceramic Society | 2023, 51(1): 163-170
• Research Articles •
Preparation of Mesoporous Petal-like MgAl2O4
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Qian WU1, Guo FENG1, Sanhai WANG2, Feng JIANG2, Lifeng MIAO1, Weihui JIANG1, 2
Affiliations
  • 1.National Engineering Research Center for Domestic and Building Ceramics, Jingdezhen 333001, Jiangxi, China
  • 2.School of Material Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333403, Jiangxi, China

    • WU Qian (1987-), female, Doctoral candidate. E-mail:

About Author:

WU Qian (1987-), female, Doctoral candidate. E-mail:

Published: 2023-01-20 doi: 10.14062/j.issn.0454-5648.20220646
Outline
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In the field of catalyst support and adsorption, mesoporous petal-like MgAl2O4 has attracted much attention because of their large surface area, abundant and accessible catalytic sites and not easy to aggregate. Mesoporous petal-like MgAl2O4 was prepared by a molten salt assisted non-hydrolytic sol-gel method with aluminum wire as aluminum source, magnesium powder as magnesium source, absolute ethyl alcohol as a solvent and Na2MoO4 as a molten salt, respectively. The effects of heat treatment temperature and soaking time on the phase composition and morphology of petal-like MgAl2O4 were investigated by X-ray diffraction and field emission scanning electron microscopy. The microstructure of the petal-like MgAl2O4 was determined by transmission electron microscopy (TEM), and the specific surface area and pore volume were measured by N2 adsorption-desorption analysis. The results show that heat treatment temperature and soaking time both have an influence on the morphology. MgAl2O4 prepared has a petal-like morphology with a length of 140-160 nm when the heat treatment temperature and time are 900 ℃ and 8 h. The specific surface area of the prepared MgAl2O4 is 76 m2/g. Based on the results by TEM and N2 adsorption-desorption analysis, the petal-like MgAl2O4 exhibits a mesoporous structure. This work paves a promising approach to prepare mesoporous petal-like MgAl2O4.

magnesium aluminum spinel  /  mesoporous  /  molten salt  /  non-hydrolytic sol-gel method
吴倩, 冯果, 王三海, 江峰, 苗立锋, 江伟辉. 多孔片状镁铝尖晶石的制备. 硅酸盐学报, 2023 , 51 (1) : 163 -170 . DOI: 10.14062/j.issn.0454-5648.20220646
Qian WU, Guo FENG, Sanhai WANG, Feng JIANG, Lifeng MIAO, Weihui JIANG. Preparation of Mesoporous Petal-like MgAl2O4[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (1) : 163 -170 . DOI: 10.14062/j.issn.0454-5648.20220646
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Year 2023 volume 51 Issue 1
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Article Info
doi: 10.14062/j.issn.0454-5648.20220646
  • Receive Date：2022-08-08
  • Online Date：2026-10-20
  • Published：2023-01-20
Article Data
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History
  • Received：2022-08-08
  • Revised：2022-09-08
Funding
Affiliations
    1.National Engineering Research Center for Domestic and Building Ceramics, Jingdezhen 333001, Jiangxi, China
    2.School of Material Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333403, Jiangxi, China

Corresponding:

JIANG Weihui (1965-), 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
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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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