Tag Archive: Iron Oxide Recovery

Mar 09

Crayons and Clean Water

The colorful side of water remediation. In Pennsylvania, abandoned coal mines have left a dirty legacy… thousands of miles of streams polluted by acid mine drainage. Wetlands can be used to treat the water. But in the process, they accumulate a lot of metal sludge that has to be removed – often at great expense. …

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Permanent link to this article: http://www.currentcast.org/toxic-contamination/crayons-and-clean-water/