the mine will be connected to the processing facility by an underground tunnel that will be used to move workers and equipment into the mine and move raw ore to the processor. the copper nickel concentrate produced at the plant will be shipped to smelters in other regions, likely canada or the western u.s.
figure 5 the manufacture of copper using the isasmelt process. acidified water is sprayed onto copper mining wastes, which contain low levels of copper.
hesperian health guides chemicals used in mining and processing minerals contaminate the land, sulfuric acid is a toxic chemical used in copper mining.
polymet minings copper nickel mine in northeastern minnesota, will create jobs, read more details on the mining and processing method. northmet ore body.