1. Key Laboratory of Coal Processing and Efficient Utilization of Ministry of Education, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
2. School of Chemical Engineering and Technology, China University of Mining & Technology, Xuzhou, Jiangsu 221116, China
3. CINF Engineering Corporation Limited, Changsha, Hunan 410019, China
4. Research Institute of Tsinghua University in Shenzhen, Shenzhen, Guangdong 518057, China