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Influence of Saline Sulfuric Acid Treatment on Vermiculite Process and Its Mechanism
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Shaokun HUANG1, 2, Liming LUO2, 3, Hongjuan SUN1, 2, Tongjiang PENG2, Shize CHEN1, 2
Journal of the Chinese Ceramic Society | 2023, 51(7) : 1783 - 1791
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Journal of the Chinese Ceramic Society | 2023, 51(7): 1783-1791
• Research Articles •
Influence of Saline Sulfuric Acid Treatment on Vermiculite Process and Its Mechanism
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Shaokun HUANG1, 2, Liming LUO2, 3, Hongjuan SUN1, 2, Tongjiang PENG2, Shize CHEN1, 2
Affiliations
  • 1.School of Environment and Resources, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China
  • 2.Institute of Mineral Materials and Application, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China
  • 3.Fundamental Science on Nuclear Wastes and Environmental Safety Laboratory, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China
  • HUANG Shaokun (1997-), male, Master candidate. E-mail:

About Author:

HUANG Shaokun (1997-), male, Master candidate. E-mail:

Published: 2023-05-29 doi: 10.14062/j.issn.0454-5648.20230018
Outline
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The study of weathering alteration of phyllosilicate minerals is of great significance for understanding the chemical cycle of the earth surface, soil formation and environmental changes. A phlogopite from Xinjiang, China was used as a raw material to control the oxidation environment, pH value, ion species and concentration of sulfuric acid solution in the process of phlogopite vermiculization. The phase, composition release law, spectroscopic properties and thermal properties were characterized by X-ray diffraction, inductive coupled plasma emission spectroscopy, Fourier transform infrared spectroscopy, and thermogravimetry-differential scanning calorimetry, respectively. The results show that the degree of vermiculite increases with the increase of Mg2+ ions concentration in the solution, but the less conversion effect exists at a certain H2O2 content in the solution. The conversion effect can be enhanced after the use of sulfuric acid to adjust the solution pH value, because the acidic environment can improve the oxidation capacity of hydrogen peroxide and the increase of SO42- ions concentration. The more jarosite substances are formed, thus accelerating the process of vermiculization.

phlogopite  /  vermiculization  /  oxidation electric potential  /  release of components
黄少坤, 罗利明, 孙红娟, 彭同江, 陈仕泽. 含盐硫酸溶液对金云母蛭石化过程的影响及作用机制. 硅酸盐学报, 2023 , 51 (7) : 1783 -1791 . DOI: 10.14062/j.issn.0454-5648.20230018
Shaokun HUANG, Liming LUO, Hongjuan SUN, Tongjiang PENG, Shize CHEN. Influence of Saline Sulfuric Acid Treatment on Vermiculite Process and Its Mechanism[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (7) : 1783 -1791 . DOI: 10.14062/j.issn.0454-5648.20230018
Year 2023 volume 51 Issue 7
30
5
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Article Info
doi: 10.14062/j.issn.0454-5648.20230018
  • Receive Date:2023-01-12
  • Online Date:2026-10-19
  • Published:2023-05-29
Article Data
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History
  • Received:2023-01-12
  • Revised:2023-02-12
Funding
Affiliations
    1.School of Environment and Resources, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China
    2.Institute of Mineral Materials and Application, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China
    3.Fundamental Science on Nuclear Wastes and Environmental Safety Laboratory, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China

Corresponding:

LUO Liming (1986-), 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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