1. The Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province; School of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
2. Jinchuan Group Co., Ltd., Jinchang 737100, P. R. China
3. Local Characteristic Resource Utilization and New Materials Key Laboratory of Universities in Yunnan; College of Science, Honghe University, Mengzi 661199, P. R. China