1. School of Architecture & Civil Engineering, Xi'an University of Science and Technology, Yan Ta Road, No. 58, Xi'an 710054, China
2. Post-doctoral Research Center of Mining Engineering, Xi'an University of Science & Technology, Yan Ta Road, No. 58, Xi'an 710054, China
3. Research Institute of Membrane Separation Technology of Shaanxi Province, Xi'an University of Architecture & Technology, Yan Ta Road, No. 13, Xi'an 710055, China
4. Shaanxi Shaanbei Mining Co., Ltd., Changxing Road, No. 251, Yulin 719000, China
5. School of Environmental & Municipal Engineering, Xi'an University of Architecture & Technology, Yan Ta Road, No.13, Xi'an 710055, China