In Colombia, industrial wastes such as rice husk and coal ashes are disposed of in uncontrolled landfills, generating high environmental impact. Researchers in Colombia and Spain explored turning these ashes into glass-ceramic materials as a way to keep them out of landfills.
Read MoreA collaboration between Battelle and Rare Earth Salts is one of several DOE projects to revive rare earth production in the U.S. Researchers are working to extract rare-earth elements from coal fly ash—which could also provide a boost to the coal industry.
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