1. CAS Key Laboratory of Biofuels, CAS Key Laboratory of Bio-based Material, Dalian National Laboratory for Clean Energy, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Number 189, Songling Road, Qingdao, Shandong 266101, P. R. China
2. Department of Chemical Engineering, Auburn University, 212 Ross Hall, Auburn, Alabama 36849, United States
3. College of Chemical Engineering, Qingdao University of Science and Technology, Number 53 Zhengzhou Road, Qingdao, Shandong 266042, P. R. China
4. Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Guangxi University, Nanning, Guangxi 530004, P. R. China