1. Research Associate, Centre for Water and Waste Technology, School of Civil and Environmental Engineering, The Univ. of New South Wales, Sydney NSW 2052, Australia.
2. Professor, Centre for Water and Waste Technology, School of Civil and Environmental Engineering, The Univ. of New South Wales, Sydney, NSW 2052, Australia (corresponding author).
3. Undergraduate Student, School of Civil and Environmental Engineering, The Univ. of New South Wales, Sydney, NSW 2052, Australia.
4. Lecturer, Centre for Water and Waste Technology, School of Civil and Environmental Engineering, The Univ. of New South Wales, Sydney, NSW 2052, Australia.
5. Professor, UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering and Industrial Chemistry, The Univ. of New South Wales, Sydney, NSW 2052, Australia.