Art Hounds: the fall season of arts begins
Good morning,
Thursday will be hot with many southern Minnesota places near 90. Cooler air will already push into northwestern Minnesota. Get the latest on Updraft. | |
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Northern Minnesota researchers close in on sulfate pollution solution
| Outside the wastewater treatment plant in the Iron Range town of Aurora, a small trailer could hold clues to solving a big environmental problem facing northern Minnesota — how to protect wild rice from sulfate, a pollutant released by iron ore mines, wastewater treatment plants and other industries.
Mei Cai, an environmental engineer with the Natural Resources Research Institute at the University of Minnesota Duluth, points to a series of tanks where a chemical called barium chloride reacts with dissolved sulfate in the water to form particles.
Then another chemical is added that clumps those particles together into bigger pieces, forming a sludge that can be removed from the water, which then goes through a final filtration process. | |
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Art Hounds: the fall season of arts begins
| | Missing the State Fair? Check out the wonderful art that didn’t get a space at the Fine Arts show at AZ Gallery’s “Rejected” exhibit in St. Paul. Exposed Brick Theatre premieres two new plays at its “Through Our Eyes Festival” in Minneapolis. The Weisman’s fall show honors three decades of Piotr Szyhalski’s work, including the posters he created daily over eight months of the pandemic. | |
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