1. College of Geoscience and Surveying Engineering, China University of Mining & Technology (Beijing), Beijing 100083, China
2. Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
3. Schobert International, LLC, Jordan, Minnesota 55352, United States
4. The EMS Energy Institute, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
5. State Key Lab of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China