1. Department of Chemical Engineering, School of Chemistry and Chemical Engineering, Guizhou University, and Guizhou Key Laboratory for Green Chemical and Clean Energy Technology, Guiyang, Guizhou 550025, China
2. Guizhou Tianfu Chemical Co.,LTD, Qiannan, Guizhou 558000, China
3. State key laboratory of efficient utilization for low grade phosphate rock and its associated resources, Guiyang, Guizhou 550005, China