1. Leibniz-Institut für Katalyse e.V. an der Universität Rostock
2. 18059 Rosteock
3. Germany
4. State Key Laboratory of Coal Conversion
5. Institute of Coal Chemistry
6. Chinese Academy of Sciences
7. Taiyuan
8. China
9. School of Chemistry & Chemical Engineering
10. Linyi University
11. Linyi 276000