Abstract
Hollow-ZSM-5 was synthesized by a traditional hydrothermal method without alcohol, and a novel na-no-sized Ce-Cu/hollow ZSM-5 sample was prepared by conventional incipient wetness impreganation. The catalysts were characterized by TEM, SEM, XRD, NMR and N2 adsorption-desorption. The results indicate that the hollow-ZSM-5 has a good MFI structure with large surface area. The synthesized CeO2-CuO/hollow ZSM-5 showed an excellent catalytic activity for NOx conversion(90% NOx conversion were obtained) in the temperature range of 340–550 °C under GHSV=480000 mL·g‒1·h‒1 due to its appropriate redox ability and acidity.
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Supported by the National Natural Science Foundation of China(Nos.21603213, 21677139), the Fund of the Changchun Science and Technology Bureau, China(No.17DY004), the Fund of the Youth Innovation Promotion Association of Chinese Academy of Sciences (No.2018263) and the Development Program of the Science and Technology Department of Jilin Province, China (No.20180201088GX).
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Yi, T., Li, J., Zhang, Y. et al. A Novel Nano-sized Catalyst CeO2-CuO/Hollow ZSM-5 for NOx Reduction with NH3. Chem. Res. Chin. Univ. 34, 661–664 (2018). https://doi.org/10.1007/s40242-018-7333-9
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DOI: https://doi.org/10.1007/s40242-018-7333-9