1. Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University (NTU) Singapore 637371 Singapore
2. Residues and Resource Reclamation Centre (R3 C)Nanyang Environment and Water Research Institute (NEWRI)Nanyang Technological University (NTU) 1 Cleantech Loop, CleanTech One Singapore 637141 Singapore
3. School of Civil and Environmental EngineeringNanyang Technological University (NTU) 50 Nanyang Avenue Singapore 639798 Singapore