Zhang Fang, Professor and Doctoral Supervisor at the School of Resources and Environment, Fujian A&F University. Prof. Zhang is Fujian Province Outstanding Youth (2022), and selected as a High-Level Talent (Class C) in Fujian Province. Prof. Zhang dedicated to the analysis of key organic matter and its degradation mechanisms in excess sludge, hosted 3 projects funded by the National Natural Science Foundation of China, 1 sub-project of the National Key Research and Development Program, and more than 10 projects funded by the Fujian Provincial Natural Science Foundation. He published over 70 SCI papers in important journals in the field of environmental engineering, such as Environmental Science & Technology, Environmental Science &Technology Letters, and Water Research, applied for more than 10 invention patents, and obtained 5 authorized invention patents.