1. Laboratory of Clean Low-Carbon Energy, Department of Thermal Science and Energy Engineering, University of Science and Technology of China, Hefei 230023, PR China
2. Institute of Energy, Hefei Comprehensive National Science Center, Hefei 230031, PR China
3. School of Chemical Engineering, Anhui University of Science and Technology, Huainan 232001, PR China
4. National & Local Joint Engineering Research Center of Precision Coal Mining, Anhui University of Science and Technology, Huainan 232001, PR China