Prof. Dr. Dengxin Li is a professor, doctoral supervisor, master’s supervisor, and postdoctoral co-supervisor at the School of Environmental Science and Engineering, Donghua University. He is mainly engaged in the resource utilization and harmless treatment of wastes such as sludge, tail gas pollution control, and advanced oxidation of wastewater. He has made certain achievements in the research of advanced oxidation of printing and dyeing wastewater, recovery of multiple pollutants in tail gas, catalytic oxidation, VOCS pollution control, residual sludge, and comprehensive utilization of solid wastes rich in precious metals. He is a member of the Solid Waste Branch of the China Environmental Association and the expert group of the China Renewable Resources Innovation Alliance, and the head of the National 863 Project and the National Natural Science Foundation. He has presided over or participated in 1 international project, 24 vertical projects, and 25 horizontal projects. He applied for 50 invention patents and had 30 of them authorized. He has published more than 170 academic papers at home and abroad, including 60 papers indexed by SCI and EI in famous domestic and foreign journals such as Appl. Catal. B, J. Hazard. Mater., and 3 highly cited papers. He has won the first prize of the China Gold Association, the third prize of Shanghai Technological Invention Award, and the Baosteel Outstanding Teacher Award.