1. School of Environment and Resource, Key Laboratory of Ministry of Education for Solid Waste Treatment and Resource Recycle, Southwest University of Science and Technology , Mianyang , Sichuan, 621010 , China
2. Institute of Mineral Materials and Applications, Southwest University of Science and Technology , Mianyang , Sichuan, 621010 , China
3. City College, Southwest University of Science and Technology , Mianyang , Sichuan, 621000 , China
4. Center of Forecasting and Analysis, Southwest University of Science and Technology , Mianyang , Sichuan, 621010 , China