1. Department of Environmental Engineering, China University of Mining and Technology, School of Environment Science and Spatial Informatics; University of Mining and Technology; Xuzhou City, Jiangsu 221116 PR China
2. NUS Environmental Research Institute, National University of Singapore, NUS Environmental Research Institute; National University of Singapore; 5A Engineering Drive 1 117411 Singapore
3. South China Institute of Environmental Sciences; Ministry of Environmental Protection (MEP) of PR China; Guangzhou City, Guangdong 510655 PR China
4. School of Water Resource & Environmental Engineering; East China Institute of Technology; Nanchang 330013 PR China
5. Department of Chemical and Biomolecular Engineering; National University of Singapore; 4 Engineering Drive 4 117585 Singapore