1. College of Environment and Resources, Fuzhou University, Fujian 350116, China
2. School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
3. State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
4. Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia