1. Guangdong Provincial Key Laboratory of Petrochemical Pollution Processes and Control, School of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming, 525000 Guangdong, China
2. School of Environment and Energy, South China University of Technology, Guangzhou, 510006 Guangdong, China
3. Department of Civil and Environmental Engineering and Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hung Hom, Kowloon 999077, Hong Kong
4. Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, China