Immobilization mechanisms of Cr(VI)/Cr(III) in red mud-based binder: Insights from Cr-S-Fe interactions and hydration gel structure evolution - Xingzhang Guo; Haolong Zhang; Zhaofeng Li; Chunjin Lin; Jian Zhang; Yansheng Wang; Yiwei Pang (Journal of Hazardous Materials, 2025)