Study on the decolourisation conditions of methylene blue by Irpex Lacteus Hongshi Bu, Huan Wang, Bo Zhang, Xin Dong, Jia Wang, Tianyi Zhao and Shumin Wang E3S Web Conf., 257 (2021) 03036 Published online: 12 May 2021 DOI: 10.1051/e3sconf/202125703036