1. State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, Ningxia University, 489th Helanshan Rd., Xixia District, Yinchuan, 750021, China
2. Technology Innovation Centre of Modern Chemical Engineering, Institute of Industrial Engineering, Ningxia Polytechnic, Yinchuan 750021, China
3. Institute of Yellow River Delta Earth Surface Process and Ecological Integrity, Shandong University of Science and Technology, Qingdao 266590, China
4. College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, China