1. China University of Mining & Technology; Key Laboratory of Coal Processing and Efficient Utilization, Ministry of Education; Xuzhou Jiangsu 221116 China
2. Purdue University; Department of Chemistry; Brown Building, 560 Oval Drive West Lafayette IN 47907 USA
3. Xinjiang University; Key Laboratory of Coal Clean Conversion & Chemical Engineering Process, Xinjiang Uygur Autonomous Region, College of Chemistry and Chemical Engineering; Urumqi 830046 China
4. Purdue University; Krannert School of Management; Brown Building, 403 W State Street West Lafayette IN 47907 USA
5. China University of Mining & Technology; Advanced Analysis & Computation Center; Xuzhou 221116 China