AI-enhanced sorting enabling direct high-purity tantalum urban mining: a novel pathway from e-waste to critical materials - Dong Xia; Kok Yuen Koh; Raunaq Nayar; Colin Locoge; Nicolas M. Charpentier; Mya Mya Khin; Tien Hoa Nguyen; Guillaume Zante; Hicham Khodja; Jean-Christophe P. Gabriel (Resources, Conservation and Recycling, 2026)