Importance

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Abstract

A system for the separation of rare earth elements, the system including a separation vessel, the separation vessel including an inlet configured to receive the aqueous solution, an interior configured to house the aqueous solution, where the interior is configured to receive a supply of air; the aqueous solution including one or more rare earth elements, a surfactant, and a complexing agent; a compressed air source, where the compressed air source is operatively coupled to the separation vessel, and configured to propel the supply of air through the aqueous solution; and the supply of air, where the supply of air is operable to induce a plurality of bubbles to form in the aqueous solution, and create a foam layer to form at and above the interface of the aqueous solution, wherein the foam layer comprises the one or more rare earth elements from the aqueous solution.

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First Claim