1. Laboratory of Basic Research in Biomass Conversion and Utilization
2. Department of Thermal Science and Energy Engineering
3. University of Science and Technology of China
4. Hefei 230026
5. PR China
6. Guangzhou Institute of Energy Conversion
7. Chinese Academy of Sciences
8. Guangzhou 510650
9. Department of Forest Biomaterials
10. North Carolina State University
11. Raleigh
12. USA