1. School of Environmental and Chemical Engineering Jiangsu University of Science and Technology Zhenjiang Jiangsu 212003 P. R. China
2. Central‐Southern Safety and Environmental Technology Institute Co. Ltd. Wuhan 430071 P. R. China
3. School of Chemistry The University of New South Wales Sydney NSW 2052 Australia
4. Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore