1. College of Chemical Engineering Zhejiang University of Technology Hangzhou Zhejiang 310014 China
2. Zhejiang Province Key Laboratory of Biomass Fuel Zhejiang University of Technology Hangzhou Zhejiang 310014 China
3. Fiber and Polymer Science Program, North Carolina State University Campus Box 8301, 1020 Main Campus Drive Raleigh NC 27606 USA
4. College of Biological Chemical Science and Engineering Jiaxing University Jiaxing Zhejiang 314001 China