1. Zijin School of Geology and Mining, Fuzhou University, Fuzhou 350116, China
2. Fujian Key Laboratory of Green Extraction and High-value Utilization of Energy Metals, Fuzhou 350116, China
3. Shandong Huate Magnet Technology Co., Ltd, Weifang 261000, China
4. College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China