Tannic acid regulated Bi2Fe4O9 for peroxymonosulfate activation toward enhanced degradation of dimethyl phthalate: Performance, mechanisms, and toxicity assessment - Jia Ding; Huanshun Yin; Xianxu Li; Xiangfeng Yao; Qian Wang; Huiyan Yang; Huijuan Lv; Wenjia Kong; Lubsan-zondy Budazhapov; Jun Wang (Chemical Engineering Journal, 2026)