Utilization of Eggshell Waste Calcite as a Sorbent for Rare Earth Element Recovery
Rémi Rateau,
Melanie Maddin,
Adrienn M. Szucs
et al.
Abstract:The green energy transition requires rare earth elements (REE) for the permanent magnets used in electric cars and wind turbines. REE extraction and beneficiation are chemically intensive and highly damaging to the environment. We investigated the use of eggshell waste as a sustainable alternative sorbent for the capture and separation of REE from aqueous solutions. Hen eggshell calcite was placed in multi-REE (La, Nd, Dy) solutions at 25 to 205 °C for up to 3 months. A pervasive diffusion of the REE inside th… Show more
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