Refers to the abandoned mine waste tailings after the completion of mining enterprises in the mineral emissions, mostly mud efflux form, over the formation of the tailings. Tailings large area, and great security risks, another underground mineral-rich water penetration agents in the tailings, environmental, groundwater pollution can also cause greatly. Dry tailings discharge concept refers to the tailings waste tailings slurry dewatering shaped to form a dry stack tailings, tailings dry stacking for filling pits, farmland, dams, manufacturing construction materials, and the effective realization of the water the secondary use, saving water also reduces the cost of dressing agent. Dry tailings discharge is in line with the state to promote "green mining", "green mining" an important concept, the development of the mining industry in the future, for in the tailings disposal, dry tailings discharge will be inevitable road.
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