1. Zhejiang Provincial Innovation Center of Green Petrochemical Technology, Ningbo 315048, P. R. China
2. SINOPEC Ningbo Engineering Company Limited, Ningbo 315048, P. R. China
3. Zhejiang Petroleum&Chemical Company Limited, Zhoushan 316212, P. R. China
4. State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, P. R. China