Yuyang Li1, Kebin Chi2, Honglei Zhang1, Peng Du1, Di Hu1, Chengkun Xiao1, Huiping Li1, Zhen Zhao1, Aijun Duan1, Chunming Xu1
1State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, PR China
2Petrochemical Research Institute, PetroChina Company Limited, Beijing, 102206, PR China