Tailings resources are treasures to be excavated. Experts believe that the current task of China's mining circular economy is to develop and utilize a large number of tailings that have been put on hold for a long time. Then, what are the ways in which China's tailings resources development and utilization dominate the mainstream?
First: the tailings contain the currently extractable useful components and will be utilized in the near future, which is the preferred resource for business development.
Second: The current technology are not yet viable or technically clearance and the cost is very high, temporarily unable to market, such as those containing rare, rare earth elements such as mine tailings, should be kept, such as Baotou iron ore tailings and ore At the same time, the surrounding rock of the ore body containing rare earth elements is produced.
Third: Most of the main tailings are silicate mineral raw materials. The possible directions of utilization are mainly used as building materials and land reclamation, as well as backfilling mine production tunnels. The scale of their utilization is related to the degree of local economic development. Tailings arsenic, mercury, chromium, cadmium and other heavy metals can not be used for land reclamation content exceeded.
Fourth: There may be a small amount of low or inaccurate state problems. It is impossible to refine useful components and contain high radioactive materials. It cannot be used as building materials, reclamation tailings such as radioactive mines and rare earth elements. Mine tailings can only be treated with special sealing measures. The valuable component of tailings recovery refers to the first consideration of the recovery of valuable metals and minerals from tailings in tailings utilization.
In the past, China often used recycled valuable components for tailings resources. Although the benefits were considerable, it could not fundamentally solve the problem of reducing tailings and tailings. The comprehensive utilization of the tailings resources can be derived from the perspective of tailings reduction, harmlessness and resource utilization, and the prospects are unlimited!
Tailings - countless people are troubled by it, and countless people see huge business opportunities from it, how can we better solve the problem of tailings?
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