1. Institute
of Unconventional Hydrocarbon and New Energy Sources, China University of Petroleum (East China), Qingdao, Shandong 266580, P. R. China
2. Wolfson
Northern Carbon Reduction Laboratories, School of Chemical Engineering
and Advanced Materials, Newcastle University, Newcastle upon Tyne, NE1
7RU, U.K.
3. Qingdao
Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong 266101, P. R. China