Concerning possibility of photooxidation of sulfur dioxide by atmospheric ozone

Vitaly Sirota

doi:10.1117/12.163487

2 November 1993 Concerning possibility of photo-oxidation of sulfur dioxide by atmospheric ozone

Vitaly Sirota

Proceedings Volume 2047, Atmospheric Ozone; (1993) https://doi.org/10.1117/12.163487
Event: High Latitude Optics, 1993, Tromso, Norway

Abstract

The kinetics of stratospheric sulfuric acid aerosols accumulation is modeled. The chemical scheme includes 10 main reactions of the oxygen cycle of ozone and SO₂ photo-oxidation. Accounting of SO₂ photo-oxidation by the ozone is the peculiarity of this scheme. This reaction proceeds with participation of triplet excited SO₂ molecules, its rate constant being equal to approximately 10^-12cm³s^-1. Satisfactory agreement between calculated and experimental temporary variations of sulfuric acid aerosols concentration was obtained.

Citation Download Citation

Vitaly Sirota "Concerning possibility of photo-oxidation of sulfur dioxide by atmospheric ozone", Proc. SPIE 2047, Atmospheric Ozone, (2 November 1993); https://doi.org/10.1117/12.163487

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