1. Research Institute of Unconventional Petroleum and Renewable Energy
2. China University of Petroleum (East China)
3. Qingdao 266580
4. P. R. China
5. Wolfson Northern Carbon Reduction Laboratories
6. School of Chemical Engineering and Advanced Materials
7. Newcastle University
8. Newcastle upon Tyne
9. UK
10. Key Laboratory of Biofuel
11. Chinese Academy of Sciences
12. Qingdao Institute of Bioenergy and Bioprocess Technology
13. Qingdao