Articles | Volume 19, issue 23
https://doi.org/10.5194/acp-19-14777-2019
https://doi.org/10.5194/acp-19-14777-2019
Research article
 | 
09 Dec 2019
Research article |  | 09 Dec 2019

Effects of NO2 and C3H6 on the heterogeneous oxidation of SO2 on TiO2 in the presence or absence of UV–Vis irradiation

Biwu Chu, Yali Wang, Weiwei Yang, Jinzhu Ma, Qingxin Ma, Peng Zhang, Yongchun Liu, and Hong He

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This preprint is open for discussion and under review for Atmospheric Chemistry and Physics (ACP).
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Cited articles

Al-Abadleh, H. A. and Grassian, V. H.: Heterogeneous reaction of NO2 on hexane soot: A Knudsen cell and FT-IR study, J. Phys. Chem. A, 104, 11926–11933, https://doi.org/10.1021/Jp002918i, 2000. 
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Busca, G., Lamotte, J., Lavalley, J. C., and Lorenzelli, V.: FT-IR study of the adsorption and transformation of formaldehyde on oxide surfaces, J. Am. Chem. Soc., 109, 5197–5202, 1987. 
Capaldo, K., Corbett, J. J., Kasibhatla, P., Fischbeck, P., and Pandis, S. N.: Effects of ship emissions on sulphur cycling and radiative climate forcing over the ocean, Nature, 400, 743–746, 1999. 
Chen, H., Kong, L., Chen, J., Zhang, R., and Wang, L.: Heterogeneous uptake of carbonyl sulfide on hematite and hematite-NaCl mixtures, Environ. Sci. Technol., 41, 6484–6490, 2007. 
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Short summary
This study found that the coexisting NO2 and/or C2H2 had significant influences on heterogeneous oxidation of SO2 due to the ubiquitous interactions between organic and inorganic species, and their effects were different under dark conditions or with UV irradiation. The experimental results of this study highlighted the requirement to consider the influence of coexisting organics and other inorganic gases in the heterogeneous oxidation kinetics of SO2.
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