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Optimization of Ultrasound-Assisted Activator Leaching Technology of High-Silicon and Low-Germanium Zinc Oxide Dust by Response Surface Method
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Jie WEI1, 2, Qifei PEI3, Zhanqing LU3, Chen LIANG1, 2, Guang FU3, Yingjie XU1, 2, Hongying XIA1, 2
Hydrometallurgy of China | 2024, 43(5) : 573 - 582
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Hydrometallurgy of China | 2024, 43(5): 573-582
• Experiment Research •
Optimization of Ultrasound-Assisted Activator Leaching Technology of High-Silicon and Low-Germanium Zinc Oxide Dust by Response Surface Method
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Jie WEI1, 2, Qifei PEI3, Zhanqing LU3, Chen LIANG1, 2, Guang FU3, Yingjie XU1, 2, Hongying XIA1, 2
Affiliations
  • 1 Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China
  • 2 Yunnan Provincial Key Laboratory of Intensification Metallurgy, Kunming University of Science and Technology, Kunming 650093, China
  • 3 Yunnan Chihong Zn & Ge Co., Ltd., Qujing 655011, China
Published: 2024-10-20 doi: 10.13355/j.cnki.sfyj.2024.05.014
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In order to maximize the extraction efficiency of zinc and germanium from high-silicon and low-germanium zinc oxide dust(ZOD), the ultrasonic enhanced leaching process assisted by sodium dodecyl sulfate (C12H25SO3Na) was constructed and optimized by response surface method(RSM),and the accurate prediction model of zinc and germanium leaching rate was established. The results show that on the basis of single factor test, the optimal leaching conditions determined by RSM are leaching temperature of 70 ℃, liquid volume to solid mass ratio of 8 mL/1 g and initial acid mass concentration of 160 g/L. The leaching rates of zinc and germanium can reach 96.94% and 85.41%, respectively. C12H25SO3Na plays a key role as a silica gel inhibitor in the leaching process, effectively preventing the polymerization of silicon ions into silica gel, and this effect is more significant under the combined ultrasonic treatment, reflecting the synergistic benefit between temperature, ultrasound and C12H25SO3Na.The research results provide an efficient recovery strategy for the resource utilization of high-silicon and low-germanium zinc oxide dust, and provide an important technical reference for the recovery of other high silicon waste.

high-silicon and low-germanium zinc oxide dust  /  response surface method  /  ultrasound  /  activator  /  sodium dodecyl sulfate  /  leaching  /  zinc  /  germanium
Jie WEI, Qifei PEI, Zhanqing LU, Chen LIANG, Guang FU, Yingjie XU, Hongying XIA. Optimization of Ultrasound-Assisted Activator Leaching Technology of High-Silicon and Low-Germanium Zinc Oxide Dust by Response Surface Method[J]. Hydrometallurgy of China, 2024 , 43 (5) : 573 -582 . DOI: 10.13355/j.cnki.sfyj.2024.05.014
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Year 2024 volume 43 Issue 5
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doi: 10.13355/j.cnki.sfyj.2024.05.014
  • Receive Date：2024-06-15
  • Online Date：2025-09-10
  • Published：2024-10-20
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  • Received：2024-06-15
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Affiliations
    1 Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China
    2 Yunnan Provincial Key Laboratory of Intensification Metallurgy, Kunming University of Science and Technology, Kunming 650093, China
    3 Yunnan Chihong Zn & Ge Co., Ltd., Qujing 655011, 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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