1. Beijing Key Laboratory of Ionic Liquids Clean Process, State Key Laboratory of Multiphase Complex SystemsInstitute of Process Engineering, Chinese Academy of Sciences Beijing China
2. College of Chemical Engineering and EnvironmentChina University of Petroleum Beijing China
3. College of Chemical and EngineeringUniversity of Chinese Academy of Sciences Beijing China
4. Energy Engineering, Division of Energy ScienceLuleå University of Technology Luleå Sweden