1. Shanxi
Engineering Research Center of Biorefinery, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, People’s Republic of China
2. Graduate University of Chinese Academy of Sciences, Beijing, People’s Republic of China
3. State
Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, People’s Republic of China
4. Department
of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark
5. College
of Chemical Engineering and Environment, North University of China, Taiyuan 030051, China