Stabilization of Pb(Ⅱ), Cu(Ⅱ), and Ni(Ⅱ) by chitosan-modified ball-milled iron tailings: Mechanistic study on enrichment-induced potential polymetallic silicate formation - Ruijie Ge; Gaoyuan Gu; Yutong Liu; Chong Peng; Shuyi Yang; Yuanfei Wang; Yu Zhang; Tao E (Journal of Environmental Chemical Engineering, 2026)