1. School of New Energy and Power Engineering, Lanzhou Jiao Tong University, Lanzhou 730070, People’s Republic of China
2. School of Chemistry and Chemical Engineering, Lanzhou City University, Lanzhou 730070, People’s Republic of China
3. College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730070, People’s Republic of China