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To: Elroy Jetson who wrote (148919)5/31/2019 11:12:54 PM
From: Snowshoe  Read Replies (3) | Respond to of 217830
 
It's an unproven technology with almost no news since 2015...

Fort Lauderdale firm recovers rare earth elements found in mining waste
sun-sentinel.com

After using a $50,000 grant to test whether useful elements can be extracted from mining and farming waste, a local environmental firm is declaring success. Whether the process can become profitable remains to be tested.