1. Faculty of Materials Engineering, Baise University, Baise, People’s Republic of China
2. State Key Laboratory of Comprehensive Utilization of Low Grade Refractory Gold Ores, Shanghang, People’s Republic of China
3. Zijin Mining group Co. Ltd, Shanghang, People’s Republic of China
4. College of Zijin Mining, Fuzhou University, Fuzhou, People’s Republic of China
5. Research Centre of Coal Processing and Purification Technology, China University of Mining and Technology, Xu Zhou, People’s Republic of China