1 Engineering Research Center of Beijing, Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Pingleyuan 100, Chaoyang District, Beijing, 100124, People's Republic of China.
2 Engineering Research Center of Beijing, Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Pingleyuan 100, Chaoyang District, Beijing, 100124, People's Republic of China. pyz@bjut.edu.cn.
3 State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, China.
4 Department of Civil and Environmental Engineering, University of Connecticut, Storrs, CT, 06269, USA.