1. School of Rare Earth Industry, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia 014010, China
2. Key Laboratory of Green Extraction and Efficient Utilization of Light Rare Earth Resources, Ministry of Education, Baotou, Inner Mongolia 014010, China
3. Key Laboratory of Rare Earth Wet Metallurgy and Light Rare Earth Applications of Inner Mongolia Autonomous Region, Baotou, Inner Mongolia 014010, China
4. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China
5. School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010, China
6. China North Rare Earth (Group) High Tech Co., Ltd., Baotou, Inner Mongolia 014010, China