1. State
Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, P. R. China
2. University of
Chinese Academy of Sciences, Beijing 100049, P. R. China
3. National Engineering
Research Center for Coal-based Synthesis, Taiyuan, Shanxi 030001, P.R.China
4. Center
for Greenhouse Gas and Environmental Engineering, Shanghai Advanced
Research Institute, Chinese Academy of Sciences, Shanghai 201203, P. R. China
5. Feicheng Acid Chemicals
Corporation, Limited, Feicheng 271600, P. R. China