Prof. Dr. Junfeng Wan is an associate professor in the Department of Environmental Science at Zhengzhou University’s School of Chemical Engineering and Energy. He received his Ph.D. in Environmental Science and Engineering from the French National School of Applied Sciences. In 2009, he worked as a research engineer at the French National Institute of Applied Sciences. From 2009 to 2011, he was a postdoctoral fellow at the Center for Environmental Research at the University of Limoges in France. In 2015–2016, he was a Visiting Scholar in Civil and Environmental Studies at Nanyang Technological University, Singapore. His research interests are water pollution control and resource utilization, migration, and transformation of micropollutants in water bodies.