1. School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng224051, P. R. China
2. School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng224051, P. R. China
3. School of Light Industry, Beijing Technology and Business University, No. 11 Fucheng Road, Beijing100048, P. R. China
4. Yancheng Lanfeng Environmental Engineering Technology Co, Ltd, Yancheng224051, P. R. China