화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.38, No.5, 945-951, May, 2021
DOI10.1007/s11814-021-0781-9  Export Citation
CO and C3H6 oxidation over La0.9Sr0.1CoO3 catalysts: Influence of preparation solvent
Fei Yan1, 2, Ping Li1, 2, †, and Xia Zhang3
  • 1Hebei Key Lab of Power Plant Flue Gas Multi-Pollutants Control, Department of Environmental Science and Engineering, North China Electric Power University, Baoding, 071003, P. R. China
  • 2MOE Key Laboratory of Resources and Environmental Systems Optimization, North China Electric Power University, Beijing, 102206, P. R. China
  • 3Advanced Research Institute for Multidisciplinary Science, QiLu University of Technology (Shandong Academy of Science), Jinan 250353, Shandong Province, P. R. China
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High surface area powders, La0.9Sr0.1CoO3 (LSCO), were prepared by a hard template method with a template of SBA-15. In the preparation process, the solvent was ethanol, the mixture of ethanol and water, and water, respectively. Characterizations were performed to understand the properties of the catalysts. When the solvent is a mixture of ethanol and water, the prepared LSCO has the most easily extracted surface adsorbed oxygen in the H2 atmosphere, exhibiting the best light-off performances for CO oxidation. However, the LSCO prepared in ethanol solvent has the best lattice oxygen mobility, resulting in the best light-off performance for C3H6 oxidation. Moreover, the LSCO prepared in ethanol also shows the best catalytic activity for both CO and C3H6 oxidation under the conditions of simulated diesel exhaust. Furthermore, Pd was impregnated on the LSCO, which was prepared by a sol-gel method and a hard template method, separately; the later one shows higher CO and C3H6 catalytic oxidation activity.
Keywords:La0.9Sr0.1CoO3;Solvent;CO Oxidation;C3H6 Oxidation;Simulated Diesel
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