1. Key Laboratory of Green Chemical Engineering and Technology of College of Heilongjiang Province, College of Chemical and Environmental Engineering
2. Harbin University of Science and Technology
3. Harbin
4. P. R. China
5. State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering
6. School of Chemistry and Chemical Engineering, Ningxia University
7. Yinchuan 750021
8. China