Resource utilization of multi-source coal-based humic acid residues: Enhancing the remediation potential of cadmium pollution in water-soil-plant systems - Xiaofang Qin; Shuyue Wang; Huaqiang Zhang; Zhanyong Fu; Jingkuan Sun; Jinzhao Ma; Fei Wang; Zhanbin Huang; Zhaohua Lu; Ping Wang; Yaxuan Zhang (Journal of Water Process Engineering, 2026)