1. College of Engineering, China University of Petroleum-Beijing at Karamay, Karamay 834000, China
2. State Key Laboratory of Heavy Oil Processing-Karamay Branch, Karamay 834000, China
3. College of Chemistry, Xinjiang University, Urumqi 830017, China
4. State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, Urumqi 830017, China