1. School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan, Guangdong, P. R. China
2. CAS Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei, P. R. China
3. School of Electrical Engineering and Intelligentization, Dongguan University of Technology, Dongguan, Guangdong, P. R. China
4. Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou, China