1. Joint International Center for CO2 Capture and Storage (iCCS), Provincial Hunan Key Laboratory for Cost-effective Utilization of Fossil Fuel Aimed at Reducing Carbon-dioxide Emissions, Department of Chemical Engineering, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, PR China
2. College of Chemical Engineering, Xiangtan University, Xiangtan 411105 Hunan, P. R. China