1. Beijing Key Laboratory of Lignocellulosic Chemistry
2. Beijing Forestry University
3. Beijing 100083
4. P. R. China
5. Institute of Process Engineering
6. Chinese Academy of Sciences
7. Beijing 100090
8. Tianjin Key Laboratory of Pulp & Paper
9. College of Material Science and Chemical Engineering
10. Tianjin University of Science and Technology
11. Tianjin 300457