1. State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, P. R. China
2. Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle Nanchang Hangkong University, Nanchang 330063, P. R. China
3. School of Environmental and Ecology, Chongqing University, Chongqing 400044, P. R. China