Title: Degradation of Methyl tert-Butyl Ether (MTBE) by O_3/H_2O_2
Abstract: The degradation of methyl tert-butyl ether(MTBE) in water solution has been studied using the combination of ozone/hydrogen peroxide in a bubble column.Effects of air(containing O_3) currents,quantities of H_2O_2,initial concentrations of MTBE,pH values and temperatures on the oxidation of MTBE have been tested,and it is implicated that under the conditions of initial MTBE concentration of 10(mg·L~(-1)),air current of 0.5(L·min~(-1)),pH 6.5,293 K and 2.4(mg·L~(-1)) H_2O_2 addition,MTBE can be reduced by 75.5% and the removal rate of COD reaches 68.0% within 30 min.The main of degradation products identified are tert-butyl formate(TBF),tert-butyl alcohol(TBA),acetone(AC) and methyl acetate(MA).On the basis of that,the probable mechanism and pathway of the oxidation of MTBE by ozone/hydrogen peroxide have been proposed.
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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