Case Study Of Polymet

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PolyMet is planning to develop a sulfide mine on public land close to Hoyt Lakes and Babbitt. If they acquire the necesary permits to begin mining, they will remove copper, nickel, and other precious metals from three mines on site. They will mine for 20 years, extracting 72 million pounds of copper, 15 million of nickel, and 106,000 ounces of other precious metals a year, which will leave an estimated 500 years of pollution. Polymet plans to contain the waste at the mine site by placing it in a stockpile with a groundwater containment system. After completing the 20 years, they will backfill the waste into the mining pit. At the processing plant, they will contain the contaminated water by using reverse osmosis, a process that forces
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