Why mine for more, when you can recycle it?
Here is a fun fact: Rare earth elements are not in fact rare. If you'd look at cerium, you'd see that it is more abundant than copper, and all of them are more abundant than gold.
The researchers' flash Joule heating technology was devised some years ago to make graphene from any solid carbon source, and now, it's currently being applied to three sources of rare earth elements to recover rare earth metals: coal fly ash, bauxite residue, and electronic waste.The industrial extraction of these wastes often entails leaching with strong acid, which is a time-consuming and environmentally detrimental technique.
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