1. State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China
2. Guangxi Environmental Protection Industry Development Research Institute Co., Ltd, Guangxi Key Laboratory of Environmental Pollution Control and Ecological Restoration Technology, Nanning 530007, China
3. Guangxi Huiyuan Manganese Industry Co., Ltd, Laibin 546100, China