Application of screw stacker combined with plate and frame filter press for dewatering of ultra magnetic sludge from river suspensionsLijun Wu, Shengsheng Han, Wenyu Shi, Shiyi Li, Qiao Yan, Xiangru Li and Xin LuoE3S Web Conf., 369 (2023) 01005DOI: https://doi.org/10.1051/e3sconf/202336901005