Flotation purification of barite is a key technology to achieve its high-efficiency recovery. By carefully selecting collectors, such as anionic, cationic and amphoteric collectors, and using inhibitors rationally, barite and associated minerals can be effectively separated.
Kaolin, as an important non-metallic mineral resource, is widely used in papermaking, ceramics, coatings, rubber, chemicals and other fields. Its purity and whiteness directly affect the quality of the product. However, kaolin ores in nature often contain a variety of impurities, and their purity needs to be improved through mineral processing. Flotation, as an effective mineral processing method, is widely used in the purification process of kaolin.
Tin ore dressing usually adopts gravity separation, because the density of tin ore is greater than that of the associated minerals. However, tin ore is often associated with iron oxide minerals such as magnetite and hematite, so magnetic separation and flotation are also used in tin ore dressing.
The main gangue minerals in phosphate ore are silicate minerals, carbonate minerals, and siliceous materials such as quartz. The floatability of phosphate minerals is quite different from that of siliceous minerals, so they are easy to separate, while the floatability of phosphate minerals is similar to that of carbonate minerals, so they are difficult to separate.
At present, the main treatment methods for oxidized copper ore include flotation, separation, leaching and combined methods. Among them, flotation is widely used because of its environmental protection, low cost and simple process.
Limonite is a typical difficult-to-process iron ore, which is easy to mix with mud and has poor sorting indicators. Common limonite beneficiation methods mainly include gravity separation, magnetic separation, flotation and combined processes.
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