[1] State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering, College of Chemistry and Chemical Engineering, Ningxia University, Ningxia Hui Autonomous Region, Yinchuan,750021, China
[2] Methanol Branch of Ningxia Coal Industry Company of National Energy Group, Ningxia Hui Autonomous, Yinchuan,750000, China
[3] Institute of Clean Coal Technology of East China University of Science and Technology, Xuhui District, Shanghai,200237, China