1. Engineering Research Center of Nano-Geomaterials of Ministry of Education, Laboratory of Advanced Mineral Materials, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
2. College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
3. Hunan Key Laboratory of Mineral Materials and Application, School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
4. Changsha Research Institute of Mining and Metallurgy Co. LTD., Changsha 410012, P. R. China
5. Division of Integrative Systems and Design, Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, P. R. China