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Simultaneous desorption of neodymium and boron from loaded ChiFer(III) material as fixed-packed sorbent. (Left side: Recovery metal concentration as a function of the volume (L), dashed line: desorption trend; right side: Elution efficiency as a function of the volume (L); dashed line: efficiency trend; T: 20 °C; internal diameter of the column, Ø: 1.8 cm; bed depth: 23 cm; flow rate: 0.01 L·h−1; Eluent: demineralized water at pH: 3.5).
