1. State Key Laboratory of Heavy Oil Processing and High Pressure Fluid Phase Behavior & Property Research Laboratory, China University of Petroleum, Beijing 102249, P. R. China
2. College of Chemical Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao 266042, P. R. China
3. College of Engineering, China University of Petroleum-Beijing at Karamay, Karamay 834000, P. R. China
4. School of Petrochemical Engineering, Liaoning Petrochemical University, Fushun 113001, P. R. China