Hydraulic retention time optimization achieved unexpectedly high nitrogen removal rate in pilot-scale anaerobic/aerobic/anoxic system for low-strength municipal wastewater treatment - You Wu; Zhihao Peng; Hanbin Wang; Liang Zhang; Wei Zeng; Yu-An Cao; Jiajun Liao; Zihao Liang; Qifeng Liang; Yongzhen Peng (Bioresource Technology, 2024)