Abstract
The objective of this study is to find metal ions that enhance the ozone decomposition of chlorinated organic substances in acetic acid. Although the pseudo-first order degradation rate constant for 2,4-DCP by ozone in acetic acid in addition of Ca 2+, Mg 2+, Al 3+ and Fe 2+ were almost the same as that with no metal ion, the degradation rate in addition of Mn 2+ and Fe 3+ were 2.4 and 4.5 times as high as that with no metal ion, respectively. The presence of Fe 3+ enhanced the degradation of 2,4-DCP by ozone in acetic acid because Fe 3+–phenolate complex which have high reactivity with ozone was produced by the reaction between 2,4-DCP and Fe 3+ in acetic acid.
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