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Treatment Scheme of Acid In-situ Leaching Wastewater Based on MVR Process
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Longfei HU1, Pan WANG2, 3, Xuyang CHU3, Xiaochen LIU3, Yuhang GAN3
Uranium Mining and Metallurgy | 2025, 44(1) : 131 - 137
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Uranium Mining and Metallurgy | 2025, 44(1): 131-137
• SAFETY AND ENVIRONMENT PROTECTION •
Treatment Scheme of Acid In-situ Leaching Wastewater Based on MVR Process
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Longfei HU1, Pan WANG2, 3, Xuyang CHU3, Xiaochen LIU3, Yuhang GAN3
Affiliations
  • 1 China Nuclear Uranium Co., Ltd., Beijing 100013, China
  • 2 China Nuclear Anhui Measurement and Testing, Jieshou 236500 China
  • 3 Beijing Research Institute of Chemical Engineering and Metallurgy, Beijing, 101149
Published: 2025-02-20 doi: 10.13426/j.cnki.yky.2024.04.18
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The in-situ leaching wastewater of uranium mining and metallurgy is characterized by large volume, acidity, and low radioactivity, etc. The evaporation ponds of some uranium mining and metallurgical enterprises cannot meet the demand of expanding production. The advantages and disadvantages of forced evaporation technology such as vacuum evaporation, three-effect evaporation and MVR(Mechanical Vapor Recompression) evaporation were compared and analyzed. It was found that, under long-term use, MVR technology has higher efficiency, lower exhaust emission, and lower energy consumption, making it relatively more suitable for in-situ leaching wastewater. Based on MVR technology, a fully integrated control forced evaporation system was designed and constructed. The heating temperature and material of the equipment were determined according to the waste liquid composition. The on-site device achieved automatic control of temperature, pressure, and liquid level, as well as continuous cyclic evaporation. The actual test shows that the evaporation capacity and efficiency coefficient of the device are positively correlated with the evaporation temperature.

uranium mining and metallurgy  /  in-situ leaching wastewater  /  mechanical vapor recompression  /  triple-effect evaporation  /  vacuum evaporation
Longfei HU, Pan WANG, Xuyang CHU, Xiaochen LIU, Yuhang GAN. Treatment Scheme of Acid In-situ Leaching Wastewater Based on MVR Process[J]. Uranium Mining and Metallurgy, 2025 , 44 (1) : 131 -137 . DOI: 10.13426/j.cnki.yky.2024.04.18
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Article Info
doi: 10.13426/j.cnki.yky.2024.04.18
  • Receive Date：2024-04-28
  • Online Date：2025-07-04
  • Published：2025-02-20
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  • Received：2024-04-28
Affiliations
    1 China Nuclear Uranium Co., Ltd., Beijing 100013, China
    2 China Nuclear Anhui Measurement and Testing, Jieshou 236500 China
    3 Beijing Research Institute of Chemical Engineering and Metallurgy, Beijing, 101149
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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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