Journal
APPLIED SURFACE SCIENCE
Volume 325, Issue -, Pages 211-216Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2014.11.056
Keywords
NO oxidation; Ce-Co-Ti catalyst; Interaction; Sol gel method
Categories
Funding
- National Natural Science Foundation of China [U1162119, 51078185]
- Industry-Academia Cooperation Innovation Fund Projects of Jiangsu Province [BY2012025]
- Scientific Research Project of Environmental Protection Department of Jiangsu Province [201112]
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Ce0.2Co0.2Ti mixed oxide catalyst was synthesized by a facile sol-gel method and the catalytic activity was evaluated through NO oxidation. The catalyst was characterized by XRD, Raman, TEM, H2-TPR, 02TPD and XPS. The results showed that Ce0.2Co0.2Ti exhibited high catalytic activity of NO oxidation with maximum conversion of 76% at 300 degrees C under the condition of 400 ppm NO, 8% O-2 and 30 000 h(-1) GHSV. The high activity was ascribed to the strong interaction between Ce and Co, which resulted in small particle, excellent redox and large amount of chemisorbed oxygen. These features were favorable for the high catalytic performance of NO oxidation. (C) 2014 Elsevier B.V. All rights reserved.
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