1. State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemical Engineering, Xinjiang University, Urumqi, Xinjiang 830046, P. R. China
2. Xinjiang Key Laboratory of Coal Clean Conversion & Chemical Engineering, Xinjiang Uyghur Autonomous Region, College of Chemical Engineering, Xinjiang University, 666 Shengli Road, Urumqi, Xinjiang 830046, P. R. China
3. College of Chemistry, Xinjiang University, Urumqi, Xinjiang 830046, P. R. China