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Analysis of In-Situ Leaching Characteristics and Scheme Optimization Based on 3D Heterogeneous Model
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Guijun LUO1, 2, Mingtao JIA1, 2, Chuanfei ZHANG3, Yihan YANG3, Meifang CHENG4
Mining and Metallurgical Engineering | 2025, 45(4) : 14 - 21
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Mining and Metallurgical Engineering | 2025, 45(4): 14-21
• MINING •
Analysis of In-Situ Leaching Characteristics and Scheme Optimization Based on 3D Heterogeneous Model
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Guijun LUO1, 2, Mingtao JIA1, 2, Chuanfei ZHANG3, Yihan YANG3, Meifang CHENG4
Affiliations
  • 1.School of Resources and Safety Engineering, Central South University, Changsha 410083, Hunan, China
  • 2.Engineering Research Center for Carbon Emission Reduction in Metal Resource Exploitation and Utilization, Ministry of Education, Changsha 410083, Hunan, China
  • 3.CNNC Inner Mongolia Mining Co., Ltd., Hohhot 010020, Inner Mongolia, China
  • 4.Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing 101100, China
Published: 2025-08-01 doi: 10.3969/j.issn.0253-6099.2025.04.003
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A 3D heterogeneous numerical model was established based on the C6# mining area of the Bayan-Uul uranium deposit to analyze the effects of different horizontal permeability in the filter section on solute transport, pH value and uranium mineral leaching performance. The simulation results show that after 450 days, the uranium leaching rate is 13.56% at the vertical depth of 30 m in the filter section, presenting 22.71% higher compared to the leaching rate of 11.05% at the depth of 35 m. According to the sandstone permeability, grade of uranium in the stratum and heterogeneity, the vertical arrangement position and length of filter section can be optimized, so as to effectively improve the economically recoverable metal quantity.

uranium extraction  /  solution leaching method  /  acid leaching of uranium  /  heterogeneity  /  solute transport  /  COMSOL model  /  leaching performance  /  in-situ leaching
Guijun LUO, Mingtao JIA, Chuanfei ZHANG, Yihan YANG, Meifang CHENG. Analysis of In-Situ Leaching Characteristics and Scheme Optimization Based on 3D Heterogeneous Model[J]. Mining and Metallurgical Engineering, 2025 , 45 (4) : 14 -21 . DOI: 10.3969/j.issn.0253-6099.2025.04.003
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doi: 10.3969/j.issn.0253-6099.2025.04.003
  • Receive Date：2025-02-24
  • Online Date：2026-03-05
  • Published：2025-08-01
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  • Received：2025-02-24
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Affiliations
    1.School of Resources and Safety Engineering, Central South University, Changsha 410083, Hunan, China
    2.Engineering Research Center for Carbon Emission Reduction in Metal Resource Exploitation and Utilization, Ministry of Education, Changsha 410083, Hunan, China
    3.CNNC Inner Mongolia Mining Co., Ltd., Hohhot 010020, Inner Mongolia, China
    4.Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing 101100, 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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