1. National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, PR China
2. State Key Laboratory of Chemical Resource Engineering & Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
3. Systems, Power and Energy Research Division, James Watts School of Engineering, College of Science and Engineering, James Watt South, University of Glasgow, Glasgow G128QQ, UK