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Size separation of mineral processing
Size separation is the parceling of particulate material on the basis of size. In mineral processing plants , such parceling means that the transfer of material unsuited for a specific processing step (such as the transfer of fines to a primary jaw crusher or the transfer of oversize to flotation) is avoided to improve the performance or efficiency of equipment or metallurgical processes. Devices employed for size separation may be screens (grizzlies, fixed screens, revolving screens, shaking screens, and vibrating screens ) or classifiers (nonmechanical classifiers, mechanical classifiers, cyclone classifiers, and pneumatic classifiers). Screens allow certain particles to pass through screen apertures, whereas classifiers act on particles suspended in a medium to separate them based on differences in characteristics such as particle size and specific gravity. In general, classifiers behave like imperfect screens. Mineral processing circuits employ sizing devices for various reaso...
How to extract silica sand from kaolin tailings?
This paper describes in detail the method of extracting silica sand from sandy kaolin tailings, which can make full use of tailings and improve the application value of kaolin tailings. Its silica sand concentrate fully meets the requirements of glass quartz sand index. Kaolin and its tailings Kaolin is an important non-metallic mineral material. It is not only a necessary raw material for building materials, light industry and other traditional industries, but also a basic material for the development of modern industry. Kaolin mineral resources are continuously exploited and utilized, and a large number of tailings will be produced in the process of mining and processing of kaolin, and the number of tailings will increase year by year. The continuous accumulation of tailings occupies a large amount of land, which affects the ecological environment and also causes the waste of mineral resources. The treatment methods of Kaolin Tailings mainly include: building t...
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