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Leaching Test Based on Occurrence State of Fluoride in Barite
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Zhiyu FAN1, Dengpan NIE2, Weijuan LI1, Yiyong WANG1, Jidong LI1, Qihang PANG1
Mining and Metallurgical Engineering | 2024, 44(6) : 99 - 103
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Mining and Metallurgical Engineering | 2024, 44(6): 99-103
• METALLURGY •
Leaching Test Based on Occurrence State of Fluoride in Barite
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Zhiyu FAN1, Dengpan NIE2, Weijuan LI1, Yiyong WANG1, Jidong LI1, Qihang PANG1
Affiliations
  • 1.School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan 114051, Liaoning, China
  • 2.School of Chemical Engineering, Guizhou Minzu University, Guiyang 550025, Guizhou, China
Published: 2024-12-01 doi: 10.3969/j.issn.0253-6099.2024.06.021
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Based on the investigation of occurrence state, fluoride associated with barite was leached with HCl-AlCl3 by using Plackett-Burman design, and influences of HCl concentration, AlCl3 concentration, reaction temperature, reaction time, and liquid-to-solid ratio on fluorine leaching rate were investigated. It is found that the fluorine in barite mainly exists in the form of disseminated and banded fluorite. By using HCl at a concentration of 3 mol/L and AlCl3 at a concentration of 0.4 mol/L, after 30 min leaching reaction of ore sample with grain size of 48-75 μm, liquid-to-solid ratio of 10 mL/g, and stirring speed at 300 r/min, the leaching rate of fluorine can reach 93.20%, and the mass fraction of barite is 95.91%. Results show that all factors that influence fluorine leaching rate are arranged in descending order of importance as follows: reaction temperature > HCl concentration > reaction time > AlCl3 concentration > liquidto-solid ratio.

barite  /  fluoride  /  occurrence state  /  HCl-AlCl3  /  leaching  /  Plackett-Burman design  /  flouorine
Zhiyu FAN, Dengpan NIE, Weijuan LI, Yiyong WANG, Jidong LI, Qihang PANG. Leaching Test Based on Occurrence State of Fluoride in Barite[J]. Mining and Metallurgical Engineering, 2024 , 44 (6) : 99 -103 . DOI: 10.3969/j.issn.0253-6099.2024.06.021
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doi: 10.3969/j.issn.0253-6099.2024.06.021
  • Receive Date：2024-06-12
  • Online Date：2026-03-19
  • Published：2024-12-01
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  • Received：2024-06-12
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    1.School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan 114051, Liaoning, China
    2.School of Chemical Engineering, Guizhou Minzu University, Guiyang 550025, Guizhou, China
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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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