1. Guangdong Key Laboratory of Environmental Pollution and Health, and School of Environment, Jinan University, Guangzhou, China;
2. Department of Civil and Environmental Engineering, National University of Singapore, Singapore;
3. School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou, China;
4. Technion-Israel Institute of Technology, Department of Chemical Engineering, Haifa 3200, Israel;
5. College of Engineering, Guangdong Technion Israel Institute of Technology (GTIIT), 243 Da Xue Road, Shantou, Guangdong, PR China