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Preparation of Molecular Sieve and Diatomite Composite by Hydrothermal Method and Its Adsorption Performance
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Shiyu DAI, Lin ZHANG, Pengyuan QI, Ling WANG, Weimin MA
Journal of the Chinese Ceramic Society | 2020, 48(7) : 1122 - 1127
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Journal of the Chinese Ceramic Society | 2020, 48(7): 1122-1127
• Research Articles •
Preparation of Molecular Sieve and Diatomite Composite by Hydrothermal Method and Its Adsorption Performance
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Shiyu DAI, Lin ZHANG, Pengyuan QI, Ling WANG, Weimin MA
Affiliations
  • Department of Materials Science and Engineering, Yingkou Institute of Technology, Yingkou 115014, Liaoning, China

    • DAI Shiyu (1975-), male, Doctoral candidate. E-mail:

About Author:

DAI Shiyu (1975-), male, Doctoral candidate. E-mail:

Published: 2020-07-20 doi: 10.14062/j.issn.0454-5648.20190828
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A diatomite composite with a molecular sieve structure was prepared via acid hydrothermal treatment, and its adsorption performance was evaluated by a saturated adsorption rate of methylene blue in solution. The results show that a phase Variscite 10 with a molecular sieve structure can be formed by hydrothermal treatment. The saturated adsorption capacity of the composite with the specific surface area of 96.02 m2/g is 98.60 mg/g, which is 298.79 times greater than that of the raw diatomite. The size and crystallinity of the molecular sieve particles increase and the diatomite shell with tubular structure destroys as the reaction time increases, leading to the decrease of the adsorption performance of methylene blue. The optimum parameters for hydrothermal treatment are mixed acid of 10%(in mass fraction), reaction temperature of 180 ℃ and reaction time of 2 h.

hydrothermal treatment  /  molecular sieve  /  specific surface area  /  adsorption performance
戴时雨, 张林, 齐鹏远, 王岭, 马伟民. 水热法制备分子筛/硅藻土复合材料及其吸附性能. 硅酸盐学报, 2020 , 48 (7) : 1122 -1127 . DOI: 10.14062/j.issn.0454-5648.20190828
Shiyu DAI, Lin ZHANG, Pengyuan QI, Ling WANG, Weimin MA. Preparation of Molecular Sieve and Diatomite Composite by Hydrothermal Method and Its Adsorption Performance[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (7) : 1122 -1127 . DOI: 10.14062/j.issn.0454-5648.20190828
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Year 2020 volume 48 Issue 7
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Article Info
doi: 10.14062/j.issn.0454-5648.20190828
  • Receive Date：2019-12-18
  • Online Date：2026-10-29
  • Published：2020-07-20
Article Data
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History
  • Received：2019-12-18
  • Revised：2020-01-17
Funding
Affiliations
    Department of Materials Science and Engineering, Yingkou Institute of Technology, Yingkou 115014, Liaoning, China

Corresponding:

QI Pengyuan (1981-), male, 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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