1. Institute of Nanotechnology and Catalysis Research (NanoCat), University Malaya, Kuala Lumpur, Malaysia
2. Centre for Technology in Water and Wastewater, University of Technology Sydney, Sydney, New South Wales, Australia
3. Department of Chemistry, University Malaya, Kuala Lumpur, Malaysia
4. Operational Integrity, SGS Bangladesh Ltd, Dhaka, Bangladesh
5. Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, Pakistan