1. State Key Laboratory for Oxo Synthesis and Selective Oxidation, and National Engineering Research Center for Fine Petrochemical Intermediates, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China
2. School of Petroleum and Chemical, Lanzhou University of Technology, Lanzhou 730050, P. R. China
3. College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China