1. State
Key Laboratory of Heavy Oil Processing, Key Laboratory of Catalysis, China University of Petroleum, Qingdao 266580, China
2. Petrochemicals Research Institute, King Abdulaziz City for Science & Technology, Riyadh 11434, Kingdom of Saudi Arabia
3. Department
of Civil and Environmental Engineering, University of Illinois, 205 North Mathews Avenue, Urbana, Illinois 61801, United States