1. Beijing Key Laboratory of Ionic Liquids Clean Process CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems Institute of Process Engineering Chinese Academy of Sciences Beijing 100190 P. R. China
2. School of Chemical Engineering and Energy Zhengzhou University Zhengzhou 450001 Henan P. R. China
3. Langfang Technological Centre of Green Industry Langfang 065006 Hebei P. R. China
4. School of Chemical Engineering University of Chinese Academy of Sciences Beijing 100049 P. R. China
5. Institute of Process Engineering Innovation Academy for Green Manufacture Chinese Academy of Sciences Beijing 100190 P. R. China
6. Sino Danish College University of Chinese Academy of Sciences Beijing 100049 P. R. China