“Recycled Rubber Chars from Pyrolysis Effectively Recover Rare Earth Elements Nd(3+) and Dy(3+) from Aqueous Solutions”

https://pubmed.ncbi.nlm.nih.gov/38113670

Recycled rubber chars from pyrolysis can effectively recover rare earth elements, Nd(3+) and Dy(3+), from aqueous solutions, with 900 °C chars being the most efficient.