1. State Key Laboratory of Heavy Oil Processing and High Pressure Fluid Phase Behavior and Property Research Laboratory, China University of Petroleum, Beijing 102249, P. R. China
2. Sinopec, Sinopec Engineering Incorporation, Anhui North Garden 20, Chaoyang District, Beijing 100101, P. R. China
3. State Key Laboratory of Heavy Oil Processing, China University of Petroleum Beijing at Karamay, Karamay 834000, China
4. School of Petrochemical Engineering, Liaoning Petrochemical University, Fushun 113001, P. R. China