Citation: | LI Siyou, LI Lixia, ZHANG Hongliang, YAN Lixin, ZHANG Chen. Development of Gangue Disposal and Preconcentration Technologies of Tungsten Ores[J]. Conservation and Utilization of Mineral Resources, 2023, 43(3): 89-95. doi: 10.13779/j.cnki.issn1001-0076.2023.03.010 |
Tungsten ore resources in China are characterized by the rapid consumption of high-quality resources and the high proportion of low-grade ores. In recent years, with the decrease in high-quality tungsten ore resources, it becomes more and more urgent to economically explore the low-grade and refractory ores. How to preconcentrate and discard waste is the key to realizing efficient beneficiation of tungsten ores. To this end, the necessity of preconcentration and waste disposal was first addressed, then the principles and characteristics of hand sorting, gravity preconcentration, magnetic separation, and sensor-based sorting were recognized. Also, the development of preconcentration and waste disposal of tungsten ores was summarized. Results indicated that ore properties and particle size distribution played crucial roles when selecting suitable preconcentration methods, an important trend was to optimize and improve the traditional technologies, and intelligent sensor-based sorting would be a promising option in the preconcentration of tungsten ores in the future. Finally, the development of tungsten preconcentration was summarized and outlooked, providing a reference for the research and application of the preconcentration technologies of tungsten ores.
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