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Dissolution Characteristics of Heavy Metal Ions and Na+, K+ in Red Mud Influenced by Different Environmental Factors
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Ye CHAI1, Qin ZHANG2, 3, 4
Mining and Metallurgical Engineering | 2024, 44(3) : 86 - 90
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Mining and Metallurgical Engineering | 2024, 44(3): 86-90
• METALLURGY •
Dissolution Characteristics of Heavy Metal Ions and Na+, K+ in Red Mud Influenced by Different Environmental Factors
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Ye CHAI1, Qin ZHANG2, 3, 4
Affiliations
  • 1.College of Mining, Guizhou University, Guiyang 550025, Guizhou, China
  • 2.Guizhou Academy of Sciences, Guiyang 550001, Guizhou, China
  • 3.National and Local Joint Laboratory of Engineering for Effective Utilization of Regional Mineral Resources from Karst Area, Guiyang 550025, Guizhou, China
  • 4.Guizhou Key Laboratory of Comprehensive Utilization of Non-metallic Mineral Resources, Guiyang 550025, Guizhou, China
Published: 2024-06-01 doi: 10.3969/j.issn.0253-6099.2024.03.019
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The dissolution characteristics and mechanism of heavy metal ions (As, Cr, Cu, Mn, Ni, Pb) and Na+, K+ in red mud were studied in a simulated natural environment. The results show that the dissolution of heavy metal ions, Na+ and K+ out of red mud can be promoted by reducing pH value, increasing contact time, raising leaching temperature, and increasing liquid-solid ratio. After dissolution, the characteristic peak values of calcite, magnesium chlorite, gosilicate and triploidite significantly become lower, and elements of As, Cr, Ni, Cu, Mn, Na and K, after dissolution out of red mud, exist in the forms of As2O3, Cr3+, NiO, CuO, MnO, Na+ and K+.

acid rain  /  red mud  /  heavy metals  /  sodium  /  kalium  /  dissolution mechanism
Ye CHAI, Qin ZHANG. Dissolution Characteristics of Heavy Metal Ions and Na+, K+ in Red Mud Influenced by Different Environmental Factors[J]. Mining and Metallurgical Engineering, 2024 , 44 (3) : 86 -90 . DOI: 10.3969/j.issn.0253-6099.2024.03.019
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Article Info
doi: 10.3969/j.issn.0253-6099.2024.03.019
  • Receive Date：2023-12-20
  • Online Date：2026-03-17
  • Published：2024-06-01
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History
  • Received：2023-12-20
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Affiliations
    1.College of Mining, Guizhou University, Guiyang 550025, Guizhou, China
    2.Guizhou Academy of Sciences, Guiyang 550001, Guizhou, China
    3.National and Local Joint Laboratory of Engineering for Effective Utilization of Regional Mineral Resources from Karst Area, Guiyang 550025, Guizhou, China
    4.Guizhou Key Laboratory of Comprehensive Utilization of Non-metallic Mineral Resources, Guiyang 550025, Guizhou, China
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https://castjournals.cast.org.cn/joweb/kygczz/EN/10.3969/j.issn.0253-6099.2024.03.019
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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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