Study on the separation of cenospheres from fly ash based on dry separation Rui Shen, Ping He, Sorachon Yoriya, Naichao Chen, Jiang Wu, Tianyang Hu, Kangsai He and Qian Cai E3S Web Conf., 561 (2024) 01029 Published online: 09 August 2024 DOI: 10.1051/e3sconf/202456101029