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Optimization of Leaching Agent for Metallurgy Process of Neutral In-situ Leaching Uranium
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Shaowu YANG1, Yuan YUAN2, Zhilong RUAN3, Fulong DING1, Lingzhu WANG1
Uranium Mining and Metallurgy | 2023, 42(3) : 41 - 45
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Uranium Mining and Metallurgy | 2023, 42(3): 41-45
• MINING AND HYDROMETALLURGY •
Optimization of Leaching Agent for Metallurgy Process of Neutral In-situ Leaching Uranium
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Shaowu YANG1, Yuan YUAN2, Zhilong RUAN3, Fulong DING1, Lingzhu WANG1
Affiliations
  • 1.North Uranium Co., Ltd., CNNC, Huludao 125000, China
  • 2.Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing 101149, China
  • 3.Tongliao Uranium Co., Ltd., CNNC, Tongliao 028000, China
Published: 2023-08-20 doi: 10.13426/j.cnki.yky.2023.03.03
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In response to the phenomenon of a decrease in uranium concentration in the qualified leaching solution of a uranium mine in Inner Mongolia during the in-situ leaching process, the production and operation data were analyzed based on the adsorption—leaching theory, and the reasons for the decrease in uranium concentration were identified, and through static leaching experiments, the leaching agent formula was optimized. The best leaching effect was achieved by leaching with a solution of 80 g/L NaCl+18 g/L NaHCO3+18 g/L Na2CO3. Based on the results of the leaching agent test, the optimization and validation of the leaching agent preparation process in the mining hydrometallurgy process show that the optimized leaching agent preparation method is more suitable for CO2+O2 in-situ leaching uranium mines. The research results can provide technical support for optimizing the hydrometallurgical process of other neutral in-situ leaching uranium mines.

neutral in-situ leaching uranium  /  ion exchange  /  leaching agent  /  optimization
杨少武, 原渊, 阮志龙, 丁福龙, 王领柱. 中性地浸采铀水冶工艺淋洗剂的优化. 铀矿冶, 2023 , 42 (3) : 41 -45 . DOI: 10.13426/j.cnki.yky.2023.03.03
Shaowu YANG, Yuan YUAN, Zhilong RUAN, Fulong DING, Lingzhu WANG. Optimization of Leaching Agent for Metallurgy Process of Neutral In-situ Leaching Uranium[J]. Uranium Mining and Metallurgy, 2023 , 42 (3) : 41 -45 . DOI: 10.13426/j.cnki.yky.2023.03.03
Appendix
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Year 2023 volume 42 Issue 3
82
11
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Article Info
doi: 10.13426/j.cnki.yky.2023.03.03
  • Receive Date：2023-03-30
  • Online Date：2026-10-23
  • Published：2023-08-20
Article Data
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History
  • Received：2023-03-30
Affiliations
    1.North Uranium Co., Ltd., CNNC, Huludao 125000, China
    2.Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing 101149, China
    3.Tongliao Uranium Co., Ltd., CNNC, Tongliao 028000, 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
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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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