Journal
CATALYSIS COMMUNICATIONS
Volume 86, Issue -, Pages 36-40Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2016.08.003
Keywords
Selective catalytic reduction; Low-temperature; MnOx; CeO2; de-NOx
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Funding
- National Natural Science Fund Committee-Baosteel Group Corporation Steel Joint Research Fund [U1460105]
- Natural Science Foundation of Shaanxi Province [2015JM2055]
- National Natural Science Foundation of China [21371070]
- Opening Project of State Key Laboratory of Inorganic Synthesis and Preparative Chemistry [2015-14]
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A novel MnOx-CeO2 catalyst with shell-in-shell microsphere structure was successfully prepared by a one-step hydrothermal method for the first time. The obtained catalyst was characterized by SEM, TEM, XRD, N-2 adsorption and desorption, XPS, H-2-TPR and NH3-TPD in detail, and its catalytic activity was investigated by selective catalytic reduction of NO with NH3. The results showed that the MnOx-CeO2 microsphere catalyst presented high catalytic activity at low temperatures (lower than 210 degrees C), which was much superior to the counterpart MnOx-CeO2 catalyst without shell-in-shell microsphere structure prepared by co-precipitation method. (C) 2016 Elsevier B.V. All rights reserved.
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