1. School of Material Engineering
2. Shanghai University of Engineering Science
3. Shanghai 201620
4. P.R. China
5. Key Laboratory of Biofuels
6. Qingdao Institute of Bioenergy and Bioprocess Technology
7. Chinese Academy of Sciences
8. Qingdao 266101
9. University of the Chinese Academy of Sciences
10. Beijing 100049
11. State Key Laboratory of Coal Conversion
12. Institute of Coal Chemistry