Boosting Denitrification in Pyrite Bioretention Through Biochar-Mediated Electron Transfer. - Xu, Ying; Yang, Xiaoqin; Luo, Fanxiao; Ma, Haiyuan; Huang, Cong; Xu, Zheng; Liu, Rui; Qiu, Lu; Zu, Haifa (Water (20734441), 2025)