| Abstract |
| The objective of this study was to investigate the effects of air stripping and oxidations using ozone and advanced oxidation on volatile organic compounds (VOCs) removal in the river water using as a drinking water source. Batch and column tests were carried out with artificial water. Aeration time (aeration rate 1L/min) and ozone dosage were in the range of <10 min and <3mg/L, respectively. Influent VOCs concentrations were in the range of 1,1-DCE < 31.8㎍/L, 1,1,1-TCA < 81.1㎍/L, CT < 3.4㎍/L, TCE <25.5㎍/L, and PCE <25.3㎍/L, corresponding to the levels of drinking water quality standards. As a result, air stripping achieved the high removal for VOCs with removal efficiencies of >approximately 70% except TCE with removal of >63%. In oxidation, advanced oxidation process (AOP) using ozone and hydrogen peroxide achieved lower removal efficiencies of <50% similar to that of ozonation. These results indicate that air stripping is able to remove VOCs more effectively compared with ozone or AOP. |
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| Key Words |
| Aeration, oxidation, ozonation, advanced oxidation process, volatile organic compounds, river water. |
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