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Original Articles

The Direct Decomposition of Nitric Oxide Over Fe/CNOs (CNOs: Carbon Nano Onions)

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Pages 158-163 | Received 10 May 2013, Accepted 11 Jun 2013, Published online: 01 Oct 2014
 

Abstract

The decomposition of NO was studied over carbon nano onions (CNOs) supported Fe catalyst made in a facility of spinning disc process (SDP). At the temperature of 500°C, 83% NO was decomposed to N2 with 93% of selectivity (N2 formation rate: 3.44 µmol N2·s–1·gcatalyst–1). The rest are the by-products of NO2 and N2O. X-ray diffraction study demonstrated that the iron carbide was generated in the catalyst. Thermogravimetric analysis indicated that CNOs were stable below 600°C under air atmosphere. In situ diffuse reflectance infrared Fourier transformation spectroscopy study detected the NO2 and N2O2 species during NO adsorption.

Additional information

Funding

This work was supported by the China Scholarship Council (CSC), Research Fund for the Doctorial program of Higher Education of China (20121402110014), and the Natural Science Foundation of Shanxi (2014021034-1).

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