1. College of Chemistry and Chemical Engineering
2. Henan Key Laboratory of Function-Oriented Porous Materials
3. Luoyang Normal University
4. Luoyang 471934
5. P. R. China
6. Liaoning Province Engineering Research Center for Fine Chemical Engineering of Aromatics Downstream
7. School of Petrochemical Engineering
8. Shenyang University of Technology
9. Liaoyang
10. Hebei Key Laboratory of Heterocyclic Compounds
11. Handan University
12. Handan 056005