Chateau De Prunoy

All mining activities create considerable waste, including acid runoff and chemical byproducts of refining. Coal mines are particularly prone to acid runoff. When large amounts of rainwater enters functioning or abandoned mines, the water becomes acidic and contaminated with heavy metals. The Environmental Protection Agency estimates that 40 percent of U.S. western watershed have been […]

Green development is inevtable for mining industry Crusher is used to reduce large rocks into smaller rocks, gravel, or rock dust. It may reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or reduces the size of a solid mix of raw materials, so […]