1. National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Beijing 100190, China
2. Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
3. School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing 101408, China
4. Department of Chemistry, KU Leuven, Celestijnenlaan 200 F, B-3001 Heverlee, Belgium
5. School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China