1. State Key Laboratory of Heavy Oil Processing, CNPC Key laboratory of Catalysis, College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, P. R. China
2. Petrochemical Research Institute, PetroChina Company Limited, Beijing 100195, China
3. Normandie University, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie, 14000 Caen, France