β-Ketoenamine COF Membrane

Selective Sc capture

Atomic-level chelation site design enables selective adsorption of scandium ions from complex multi-metal solutions for rare-earth recovery.

Jiang, Hongxin · Zhu, Lina · Kong, Deming

Small 2025

Advantages

Exceptional selectivity for Sc3+

Enhanced adsorption capacity

Janus membranes enable selective separation of Sc3+ from multi-metal ions