Journal
CATALYSIS COMMUNICATIONS
Volume 18, Issue -, Pages 106-109Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2011.11.022
Keywords
Ca; Selective catalytic reduction; NH3; NO; Manganese
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Funding
- National Natural Science Foundation of China [NSFC-50878190]
- Natural Science Foundation of Zhejiang Province [Y5090053]
- Changjiang Scholar Incentive Program
- Open Foundation of Zhejiang Provincial Environmental Pollution Control Technique Key Lab
- Fundamental Research Funds for the Central Universities
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A series of Ca doped MnOx/TiO2 catalysts was synthesized in this paper by using wet-impregnation method. Thereafter, the influence of Ca on the performance of the MnOx/TiO2 catalysts for low-temperature selective catalytic reduction of NOx by NH3 was investigated. Experimental results showed that Ca doping could have negative effect on the activities of the MnOx/TiO2 catalysts. This could be due to the resultant less acid sites and lower NO oxidation ability. However, at a high Ca doping, this effect would become dilute, presumably due to the formation of CaTiO3 that weakened the deactivation. (C) 2011 Elsevier B.V. All rights reserved.
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