1. School of Chemical and Environmental Engineering, China University of Mining & Technology (Beijing), Beijing 100083, China
2. State Key Laboratory of Mineral Processing, Beijing General Research Institute of Mining & Metallurgy, Beijing 102600, China
3. College of Geoscience and Survey Engineering, China University of Mining & Technology (Beijing), Beijing 100083, China.
4. School of Mining Engineering, Heilongjiang University of Science and Technology, Heilongjiang 150080, China