Erbium and REEs
from fly ash
Janet Kuypers
1/4/22 Twitter-length Periodic Table poem
for element #68, Erbium (Er)
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Don’t know how material-intensive
renewable energy is? Try 1,000% more
rare earth elements, like Erbium.
How relieved are we to learn that REEs
can be mined from waste in burning coal—
fly ash— from a reusable liquid.
So, let’s take toxic waste
and make the world a better place.
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