Homogeneous oxidation of sulphur compounds in the atmosphere
作者： A.E.J. Eggleton , R.A. Cox
DOI: 10.1016/0004-6981(78)90202-0
关键词: Inorganic chemistry 、 Thermal 、 Homogeneous 、 Sulfur 、 Atmosphere 、 Chemistry 、 Environmental chemistry 、 Radical 、 Irradiation 、 Reaction rate constant
摘要: Abstract Work carried out under the European COST 61a Project on homogeneous oxidation of sulphur compounds in atmosphere is briefly reviewed. Mechanisms for dioxide can be divided into three classes; 1. (a) by free radicals generated photochemically, 2. (b) intermediates produced thermal reactions, and 3. (c) direct photo-oxidation. Only makes a substantial contribution to SO2 with calculated maximum rates between 2 6% h−1 sunlight irradiated urban air during summer months 1–2% unpolluted air. Most brought about attack OH radical but RO2 not well determined due uncertainties rate constants. H2S, CH3SH (CH3)2S react giving atmospheric life-times 1 day.
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