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A Study of Air Stripping and Ozonation Characteristics of Methyl Tert-butyl Ether (MTBE)  

Lee, Cheal-Gyu (Department of Environmental Engineering, Chongju University)
Kim, Moon-Chan (Department of Environmental Engineering, Chongju University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.32, no.8, 2010 , pp. 767-773 More about this Journal
Abstract
In recent years, there has been considerable concern over the release of methyl tert-butyl ether (MTBE), a gasoline additive, into the aquifers used as potable water sources. MTBE readily dissolves in water and has entered the environment via gasoline spills and leaking storage tanks. In this study air stripping and ozonation of MTBE in aqueous solution were performed in a laboratory scale batch reacter. The mass transfer rate (N) was evaluated and a values about $1.24{\times}10^{-6}\;mol{\cdot}sec^{-1}$ was found. In the ozonation of MTBE a 8.3% decrease of the COD and a 6.5% decrease of the TOC lead to BOD/COD = 0.03. The peudo first-order rate constants of the ozonation of MTBE was $3.75{\times}10^{-5}\;sec^{-1}$. The resulting Ea of 4.80 kcal；mol-1 was observed for molecular ozone reactions.
Keywords
Methyl Tert-butyl Ether; Ozonation; Air Stripping; Activation Energy;
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