1. School of Environment, Key Laboratory for Yellow River and Huaihe River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Henan Normal University, Xinxiang 453007, P. R. China
2. School of Environment and Science, Gold Coast Campus, Griffith University, Nathan, Queensland 4222, Australia
3. Faculty of Chemical, Environmental and Biological Science and Technology, Dalian University of Technology, Dalian 116024, P. R. China