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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2025.6
- 수록면
- 16 - 26 (11page)
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초록· 키워드
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This research investigates the effects of ozone (O₃) and hydrogen peroxide (H₂O₂) doses, as well as the dissolved organic carbon (DOC) concentration, on O₃ and hydroxyl radical (<sup>•</sup>OH) exposures (i.e., ∫[O₃]dt and ∫[<sup>•</sup>OH]dt) during the peroone (O₃/H₂O₂) process. The addition of H₂O₂ during the ozonation process accelerated the O₃ decomposition into <sup>•</sup>OH, increasing ∫[<sup>•</sup>OH]dt while decreasing ∫[O₃]dt. The optimal [ H₂O₂]/[O₃] input ratio for maximizing ∫[<sup>•</sup>OH]dt was found to be around 0.2; at higher ratios, additional H₂O₂ consumption did not further increase ∫[<sup>•</sup>OH]dt. At higher DOC concentrations, both oxidant exposures decreased, and the effect of H₂O₂ on ∫[<sup>•</sup>OH]dt was diminished due to competitive reactions between H₂O₂and DOC for O₃, as well as scavenging of <sup>•</sup>OH by DOC. An increase in ∫[<sup>•</sup>OH]dt in the peroxone process exhibited a linear correlation with the [O₃]/[DOC] ratio when the [ H₂O₂]/[O₃] input ratio was fixed at 0.2.
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ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
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