1. College
of Chemical Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
2. Forest
Products Laboratory and Center for Bioenergy and Bioproducts, Auburn University, Auburn, Alabama 36849, United States
3. Department
of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, Ohio 45221, United States
4. College
of Natural Resources and Environment, South China Agricultural University, Guangzhou, Guangdong 510642, China