1. China University of Mining and Technology (Beijing), Ding No. 11 Xueyuan Road, Haidian
District, Beijing 100083, P. R. China
2. State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Zhongguancun Beiertiao, 100190 Beijing, P. R. China
3. Department of Chemical and Biochemical Engineering, Technical University of Denmark, Søltofts Plads 229, 2800 Kgs. Lyngby, Denmark
4. Sino-Danish College, University of Chinese Academy of Sciences, 100190 Beijing, P. R. China