1. Faculty of Chemical Engineering, Huaiyin Institute of Technology, Huai'an, 223003, P. R. China
2. School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, P. R. China
3. Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Science, Laoshan District, CN-266101 Qingdao, China