1. State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, P. R. China
2. Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, P. R. China
3. Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
4. International Joint Research Center for Sustainable Urban Water System, Tongji University, Shanghai 200092, P. R. China