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Acid mine drainage may offer rare earths

New process could turn enviro concern into producing asset Metal Tech News Weekly Edition August 12, 2020

Penn State scientists have developed a process that could transform acid mine drainage from an environmental liability that is costly to an asset that produces rare earths and other valuable minerals.

"We are currently incurring costs just to treat the water, and in many cases, we are not even collecting all these minerals," said Sarma Pisupati, professor of energy and mineral engineering at Penn...


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