Coal ash, the powdery byproduct left after burning coal for fuel, has long been considered an industrial waste product.
However, scientists have now identified coal ash as an abundant and accessible… [+745 chars]
$8.4 billion rare earths found in US coal ash, could end China’s monopoly - Interesting Engineering
Scientists have discovered $8.4 billion worth of rare earth elements hidden in US coal ash, offering a new way to secure domestic supply.
By:Aamir Khollam
Source:Interesting Engineering
Published:
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