Author information:
(1)State Key Laboratory of Urban Water Resource and Environment, Harbin 
Institute of Technology, 150090, Harbin, China; Section of Sanitary Engineering, 
Department of Water Management, Delft University of Technology, 2628CN, Delft, 
The Netherlands.
(2)State Key Laboratory of Urban Water Resource and Environment, Harbin 
Institute of Technology, 150090, Harbin, China.
(3)Section of Sanitary Engineering, Department of Water Management, Delft 
University of Technology, 2628CN, Delft, The Netherlands.
(4)State Key Laboratory of Urban Water Resource and Environment, Harbin 
Institute of Technology, 150090, Harbin, China. Electronic address: 
yangxj@hit.edu.cn.
(5)State Key Laboratory of Urban Water Resource and Environment, Harbin 
Institute of Technology, 150090, Harbin, China. Electronic address: 
wli@hit.edu.cn.