PolyMet reports breakthrough in getting pollutants out of mining water - Bring Me The News

PolyMet reports breakthrough in getting pollutants out of mining water

PolyMet Mining says tests using reverse osmosis have succeeded in removing sulfates from water. The development could be a key step in removing a top environmental objection to the company's proposed copper mine near Hoyt Lakes.
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PolyMet Mining says tests using reverse osmosis have succeeded in removing sulfates from water. The development could be a key step in removing a top environmental objection to the company's proposed copper mine near Hoyt Lakes.

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Environmental review of PolyMet mine could be ready for public in October

PolyMet Mining wants to open a copper and nickel mine in northeastern Minnesota. The company has been working with the Environmental Protection Agency on how the project will meet air and water quality standards. Congressman Chip Cravaack says a supplemental environmental impact statement could be released to the public in October.