1. State Key Laboratory of Complex Nonferrous Metal Resources Clean UtilizationKunming University of Science and Technology Kunming Yunnan 650093 China
2. Yunnan Provincial Key Laboratory of Intensification Metallurgy Kunming Yunnan 650093 China
3. National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology Kunming Yunnan 650093 China
4. Faculty of Metallurgical and Energy EngineeringKunming University of Science and Technology Kunming Yunnan 650093 China
5. Department of Chemical and Metallurgical Engineering, School of Chemical EngineeringAalto University Espoo 02150 Finland