1. M.S. Student, School of Resources and Environmental Engineering, Hefei Univ. of Technology, Hefei 230009, China.
2. Associate Professor, School of Resources and Environmental Engineering, Hefei Univ. of Technology, Hefei 230009, China (corresponding author).
3. Professor, School of Resources and Environmental Engineering, Hefei Univ. of Technology, Hefei 230009, China.
4. Associate Professor, Nevada Bureau of Mines and Geology, Univ. of Nevada Reno, 1664 North Virginia St., Reno, NV 89557-0178. ORCID: .
5. School of Resources and Environmental Engineering, Hefei Univ. of Technology, Hefei 230009, China.
6. Associate Professor, School of Resources and Environmental Engineering, Hefei Univ. of Technology, Hefei 230009, China.