Ozone Degradation in Packed Columns

by Michael A. Kessick,
Jack V. Matson,

Serial Information: Journal of the Environmental Engineering Division, 1975, Vol. 101, Issue 5, Pg. 883-886

Document Type: Journal Paper


Ozone is being considered increasingly as an alternate disinfectant to chlorine for use in water and wastewater systems. Owing to its low solubility, the design of efficient contact systems is imperative for economic use of ozone in this respect. Even with the most efficient system, however, there inevitably will be some release of the gas to the atmosphere at some pint. This release may be unacceptable in certain situations, especially urban areas, and may have to be minimized by specific procedures. Such procedures may involve adsorption into potassium iodide solution, thermal degradation in a flare or decomposition, catalytic or otherwise, in a packed column. A technique by which ozone decomposition in a packed column may be evaluated by reaction zone analysis will be described.

Subject Headings: Decomposition | Ozone | Chemical degradation | Columns | Water treatment | Chlorine | Water use | Wastewater management

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