Persulfate activation by inherent soil constituents for sulfamethoxazole degradation: Synergistic roles of iron minerals and organic matter - Shixian Cheng; Jun Liang; Zhiwen Cheng; Jingyi Zhang; Liyang Hu; Wenfeng Huang; Xiangyang Gui; Zhefan Ren; Xiaoyun Xu; Xinde Cao (Chemical Engineering Journal, 2025)