Environmentally hazardous coal waste diminished by harmless citric acid

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Reminds me of cleaning my battery terminals with carbonated drinks. 

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On 10/25/2021 at 4:22 PM, Meredith Poor said:

Process extracts rare earth elements out of coal ash and cuttings from shale drilling.

Looks like a game-charger, especially for those who have had enough of the Green propaganda.

Edited by Ecocharger
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