1. Department of Municipal Engineering, School of Civil Engineering, Guangzhou University, Guangzhou 510006, China
2. Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou 510006, China
3. Shenzhen Baoan Drainage Co., Ltd., Shenzhen 518126, China
4. Guangzhou Institute of Water Science, Guangzhou 510220, China
5. Centre for Technology in Water and Wastewater, University of Technology, Sydney, NSW 2007, Australia