1. Key Laboratory of Coal Processing and Efficient Utilization (Ministry of Education), School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou, China
2. Western Australian School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Kalgoorlie, Australia
3. School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, China
4. Minerals and Metallurgical Engineering, Swedish School of Mines, Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, Luleå, Sweden