1. Shaanxi Key Laboratory of Chemical Reaction Engineering
2. College of Chemistry and Chemical Engineering
3. Yan'an University
4. Yan'an 716000
5. P. R. China
6. Research Center for Bioengineering and Sensing Technology
7. School of Chemistry & Biological Engineering
8. University of Science & Technology Beijing
9. Beijing 100083
10. Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources
11. Qinghai Institute of Salt Lakes
12. Chinese Academy of Sciences
13. Xining 810008
14. China