1. Henan University of Urban Construction, Henan Province Key Laboratory of Water Pollution Control and Rehabilitation Technology Pingdingshan 467000 People's Republic of China
2. College of Materials and Chemical Engineering, Chongqing University of Arts and Sciences Chongqing 402160 People's Republic of China
3. Faculty of Environmental Science and EngineeringKunming University of Science and Technology Kunming 650500 People's Republic of China