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Int. J. Environ. Res. Public Health 2015, 12(2), 1595-1611; doi:10.3390/ijerph120201595

Numerical Study of the Simultaneous Oxidation of NO and SO2 by Ozone

1,2,* , 1
Electric Power Planning & Engineering Institute, Ande Rode No. 65, Xicheng District, Beijing 100120, China
Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Thermal Engineering, Tsinghua University, Beijing 100083, China
Author to whom correspondence should be addressed.
Academic Editor: Christian Kennes
Received: 29 September 2014 / Revised: 8 December 2014 / Accepted: 9 January 2015 / Published: 29 January 2015
(This article belongs to the Special Issue Bioprocesses for Air Pollution Control)
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This study used two kinetic mechanisms to evaluate the oxidation processes of NO and SO2 by ozone. The performance of the two models was assessed by comparisons with experimental results from previous studies. The first kinetic mechanism was a combined model developed by the author that consisted of 50 species and 172 reactions. The second mechanism consisted of 23 species and 63 reactions. Simulation results of both of the two models show under predictions compared with experimental data. The results showed that the optimized reaction temperature for NO with O3 ranged from 100~200 °C. At higher temperatures, O3 decomposed to O2 and O, which resulted in a decrease of the NO conversion rate. When the mole ratio of O3/NO was greater than 1, products with a higher oxidation state (such as NO3, N2O5) were formed. The reactions between O3 and SO2 were weak; as such, it was difficult for O3 to oxidize SO2. View Full-Text
Keywords: ozone injection; kinetic modeling; nitrogen oxides; sulfur dioxide; multi-pollutant control technology ozone injection; kinetic modeling; nitrogen oxides; sulfur dioxide; multi-pollutant control technology

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Li, B.; Zhao, J.; Lu, J. Numerical Study of the Simultaneous Oxidation of NO and SO2 by Ozone. Int. J. Environ. Res. Public Health 2015, 12, 1595-1611.

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