1. Jiangsu Key Laboratory of Coal-based Greenhouse Gas Control and Utilization, China University of Mining and Technology, Xuzhou, Jiangsu 221008, China
2. Low Carbon Energy Institute, China University of Mining and Technology, Xuzhou, Jiangsu 221008, China
3. Key Laboratory of Gas and Fire Control for Coal Mines (China University of Mining and Technology), Ministry of Education, Xuzhou 221116, China
4. School of Safety Engineering, China University of Mining and Technology, Xuzhou 221116, China