Our 2018 postgraduate student, Mengyu Ma， together with her team (Li Shao, Liying Ma, Hua Wei, Yanchang Liu, Xiaolong Song) won the third prize (directed by associate professor of Jia Li) in Hubei province 13th challenge cup extracurricular academic science and technology work competition. The title of their work is "waste" turned to "cure" -- efficient adsorption material preparation and application of electrolytic manganese residues ".