1. Key Laboratory for Nonferrous Vacuum Metallurgy of Yunnan Province, Kunming University of Science and Technology, Kunming, People’s Republic of China
2. State Key Laboratory of Complex Non-ferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming, People’s Republic of China
3. National Engineering Research Center of Vacuum Metallurgy, Kunming University of Science and Technology, Kunming, People’s Republic of China
4. Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, People’s Republic of China
5. Department of Chemical Engineering, Ordos Institute of Technology, Ordos, Inner Mongolia Autonomous Region