1. College of Civil Engineering Fuzhou University Fuzhou Fujian 350116 P. R. China
2. State Key Laboratory of Photocatalysis on Energy and Environment Fuzhou University Fuzhou Fujian 350002 P. R. China
3. Fujian Jinhuang Environmental Sci‐Tech Co. Ltd. Fuzhou Fujian 350002 P. R. China
4. State Key Laboratory of Urban Water Resource and Environment (SKLUWRE) School of Environment Harbin Institute of Technology Harbin 150090 P. R. China