Analysis of nitrogen removal performance of gel-immobilized cold-acclimated Anammox granules under low temperature and high nitrogen loading rate (NLR) conditions - Linhua Zhang; Jing Zhang; Jun Li; Peng Gao; Jianwei Chen; Dongyue Li; Xingxing Xiong; Sairui Guan; Ning An; Kailun Yang; Tingting Liu; Xingrong Yao; et al. (Process Safety and Environmental Protection, 2026)