1. School of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou, Henan450046, People’s Republic of China
2. Zhengzhou Railway Vocational & Technical College, Zhengzhou, Henan451460, People’s Republic of China
3. Henan Province Key Laboratory of Water Pollution Control and Rehabilitation Technology, Henan University of Urban Construction, Pingdingshan, Henan467036, People’s Republic of China