1. State Key Laboratory of Clean and Efficient Coal Utilization, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China
2. School of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China
3. School of Chemical Engineering and Technology, North University of China, Taiyuan 030024, Shanxi, China
4. Taiyuan Coal Conversion Technology Engineering Co., Ltd. Taiyuan 030024, Shanxi, China