1. School of Civil and Environmental Engineering, Ningbo University, Ningbo 315211, China
2. Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Jinan 250100, China
3. Department of Civil & Environmental Engineering, South Dakota State University, Brookings, South Dakota 57007, United States
4. College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China