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Synergistic Effect of Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans in Bioleaching of Sandstone-type Uranium Ore
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Chenyang LIU1, 2, Yajie LIU1, 2, 3, Xuegang WANG1, 2, 3, Zhongkui ZHOU1, 2, 3, Jian WANG1, 2, 3
Hydrometallurgy of China | 2026, 45(3) : 331 - 340
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Hydrometallurgy of China | 2026, 45(3): 331-340
• Experiment Research •
Synergistic Effect of Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans in Bioleaching of Sandstone-type Uranium Ore
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Chenyang LIU1, 2, Yajie LIU1, 2, 3, Xuegang WANG1, 2, 3, Zhongkui ZHOU1, 2, 3, Jian WANG1, 2, 3
Affiliations
  • 1.State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang　330013, China
  • 2.School of Water Resources and Environment Engineering, East China University of Technology, Nanchang　330013, China
  • 3.Jiangxi Provincial Key Laboratory of Genesis and Remediation of Groundwater Pollution, Nanchang　330013, China
Published: 2026-06-20 doi: 10.13355/j.cnki.sfyj.2026.03.008
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In-situ uranium leaching was investigated using native acidophilic ferrous sulfate oxidizing bacillus (Acidithiobacillus ferrooxidans, L24f) and acidophilic sulfur oxidizing bacillus (Acidithiobacillus thiooxidans, L24s) from sandstone-type uranium ore. In combination with physicochemical parameter monitoring and characterization techniques such as SEM-EDS and XRD, the synergistic leaching mechanism was elucidated to determine the effectiveness of synergistic leaching and the optimal inoculation ratio. The results show that L24f and L24s strains have a significant synergistic uranium leaching effect, and the inoculation volume ratio of 1∶1 is the optimal ratio. Under this condition, the final uranium leaching rate of sandstone-type uranium ore is 86.5%, which is 7.5 percentage points higher than that of a single L24f pure bacteria system. The mixed bacterial consortium system can maintain the low pH environment of the system through complementary metabolic functions, effectively inhibit the formation of jarosite passivation layer, and significantly improve the leaching rate of uranium.

uranium  /  sandstone-type uranium ore  /  synergistic leaching  /  bioleaching  /  mixed bacteria  /  Acidithiobacillus ferrooxidans  /  Acidithiobacillus thiooxidans
Chenyang LIU, Yajie LIU, Xuegang WANG, Zhongkui ZHOU, Jian WANG. Synergistic Effect of Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans in Bioleaching of Sandstone-type Uranium Ore[J]. Hydrometallurgy of China, 2026 , 45 (3) : 331 -340 . DOI: 10.13355/j.cnki.sfyj.2026.03.008
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Year 2026 volume 45 Issue 3
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doi: 10.13355/j.cnki.sfyj.2026.03.008
  • Receive Date：2026-03-12
  • Online Date：2026-09-11
  • Published：2026-06-20
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  • Received：2026-03-12
  • Revised：2026-04-09
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Affiliations
    1.State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang　330013, China
    2.School of Water Resources and Environment Engineering, East China University of Technology, Nanchang　330013, China
    3.Jiangxi Provincial Key Laboratory of Genesis and Remediation of Groundwater Pollution, Nanchang　330013, 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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