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Published November 1, 1976 | public
Journal Article

Chemical kinetics of homogeneous atmospheric oxidation of sulfur dioxide

Abstract

A systematic evaluation of known homogeneous SO₂ reactions which might be important in air pollution chemistry is carried out. A mechanism is developed to represent the chemistry of NO_x/hydrocarbon/SO₂ systems, and the mechanism is used to analyze available experimental data appropriate for quantitative analysis of SO₂ oxidation kinetics. Detailed comparisons of observed and predicted concentration behavior are presented. In all cases, observed SO₂ oxidation rates cannot be explained solely on the basis of those SO₂ reactions for which rate constants have been measured. The role of ozone-olefin reactions in SO₂ oxidation is elucidated.

Additional Information

© 1976 American Chemical Society. Received for review January 5, 1976. Accepted April 26, 1976. Work supported in part by the Jet Propulsion Laboratory and in part by National Science Foundation Grant 71ENG-02486.

Additional details

Created:
August 19, 2023
Modified:
October 20, 2023