1. State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, People's Republic of China
2. National Energy Group Ningxia Coal Industry Co., Ltd. coal chemical industry technology research institute, Yinchuan, 750411, People's Republic of China
3. Department of Chemical Engineering, Monash University, Melbourne, Australia