1. School of Materials Science and Engineering, Key Laboratory of Material Corrosion and Protection of Sichuan Province Sichuan University of Science and Engineering Xueyuan Str. 180 Zigong 643000 P. R. China
2. School of Chemical Engineering Sichuan University of Science and Engineering Xueyuan Str. 180 Zigong 643000 P. R. China
3. Sichuan Province Key Laboratory of Comprehensive Utilization of Vanadium and Titanium Resources Panzhihua University Airport Rd. 10 Panzhihua 617000 P. R. China
4. School of Chemistry and Chemical Engineering Sichuan University of Arts and Science Tashi Rd. 519 Dazhou 635000 P. R. China
5. College of Chemistry and Environmental Engineering Sichuan University of Science and Engineering Xueyuan Str. 180 Zigong 643000 P. R. China