1. College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, China
2. National Key Laboratory of Green Development of Coking Coal Resources, State Key Laboratory of Mineral Processing, Pingdingshan, China
3. Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo, China
4. Collaborative Innovation Center of Coal Work Safety and Clean High Efficiency Utilization, Henan Polytechnic University, Jiaozuo, China