1. Department of Environmental Science & Engineering, North China Electric Power University, Baoding 071003, China
2. Department
of Chemical Engineering, University of New Brunswick, Fredericton, NB E3B 5A3, Canada
3. School
of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
4. Beijing
Key Laboratory of Power Generation System Function Materials, Guodian New Energy Technology Research Institute, Beijing 102209, China