As a non-metallic mineral that is easy to float, fluorite's flotation process becomes complicated because it often coexists with non-metallic minerals such as barite, quartz, calcite, and sulfide minerals such as galena, sphalerite, and pyrite.
Phosphorus is mainly found in phosphate ore in nature, so mining phosphate ore has become the main way to obtain phosphorus. With the development of mineral processing technology, we have evolved from manual sorting and panning to two major methods: physical and chemical beneficiation.
Phosphate ore is an important chemical raw material. It can be used to produce phosphate fertilizer, yellow phosphorus, phosphoric acid, phosphide and other phosphates. It is widely used in agriculture, medicine, food, matches, dyes, sugar, ceramics, national defense and other industrial sectors
In the beneficiation process, gravity separation, magnetic separation, electrostatic separation and flotation are often used to separate rutile and associated minerals based on the differences in density, magnetism, conductivity and other aspects. In actual operation, the combined application of multiple beneficiation methods is often required.
Antimony-containing refractory gold ore is treated by wet treatment to remove antimony, and then pretreatment methods such as roasting oxidation, pressure oxidation or biological oxidation are used to oxidize and decompose the sulfide to release the wrapped gold, and finally extract gold by cyanide leaching.
In order to purify magnesite, the commonly used flotation method can effectively remove silicon and calcium impurities. In addition, electrostatic separation, thermal separation and gravity separation can also remove silicon and reduce calcium to a certain extent.
With the exploitation of resources, high-grade barite has become increasingly scarce, and the types of associated minerals have increased. The traditional manual selection method can no longer meet the needs of modern industry. Therefore, it is crucial to use advanced mineral processing technology to upgrade barite and reduce impurities.
For different types of gold ores in nature, appropriate gold extraction technology should be adopted. Common gold extraction methods include gravity separation, flotation and cyanidation.
Tin ore, due to its unique physical and chemical properties, is widely used in electronics, chemicals, building materials and military fields around the world.
In view of the characteristics of fine-grained minerals, researchers have developed a variety of process technologies that can help improve the separation of fine-grained minerals, and have made significant progress in laboratory and industrial experiments. Mainly include selective flocculation flotation, water transfer agglomeration flotation, microbubble flotation
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