11
Nov
12:01
Researchers find new rare earth recovery method from acid mine drainage
Researchers at Penn State University are pioneering the extraction of rare earth elements from acid mine drainage (AMD), according to a paper published in Chemical Engineering Journal.
Treating acid mine drainage typically involves hydroxide base chemicals that spark precipitation of rare earth elements.
The researchers found that phased use of carbon dioxide precipitation could lead to greater recovery of rare earth elements typically discharged with treat…
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Anonymous
Very good overview of the weekly steel market.
Anonymous