1. Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, Guangdong, P. R. China
2. Institute of Environmental Research at Greater Bay Area, Guangzhou University, Guangzhou 510006, P. R. China
3. School of Civil Engineering, Guangzhou University, Guangzhou 510006, P. R. China.
4. Geelong, Institute for Frontier Materials, Deakin University, Geelong, Victoria 3216, Australia