1. School of Energy and Environment, City University of Hong Kong, Kowloon Tong, Hong Kong SAR
2. Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, PR China
3. School of Chemical Engineering, University of New South Wales, Sydney, NSW 2052, Australia
4. State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon Tong, Hong Kong SAR