| Title |
A Study about Development of Hydrogen Peroxide Stabilizer in Modified Fenton Reaction Using Anion Surfactant |
| Keywords |
hydrogen peroxide stabilizer;modified fenton reaction;surfactant;SDS;phenanthrene;과수안정제;수정펜톤반응;계면활성제;페난트린 |
| Abstract |
In this study, hydrogen peroxide is stabilized in modified Fenton reaction to improve the soil remediation. Phenanthrene, which is the typical compound in PAHs, was spiked into soil samples to copy the original contaminated site. Anionic surfactant, SDS (Sodium dodecyl sulfate) was used for hydrogen peroxide stabilizer. 4 mM of Fe(Ⅱ), 5~50 mM of SDS and 102.897 mM of H₂O₂ was injected into soil samples which is contaminated by 125 ㎎/㎏ of phenanthrene to analyze decomposition rate of phenanthrene in modified Fenton reaction. In condition which SDS was injected 30 mM, decomposition rate of phenanthrene has best efficiency as 95% and in condition which SDS was injected over 30 mM, decomposition rate is lower than SDS 30 mM because SDS enacted as scavenger in the system. Results which assess the change of hydrogen peroxide concentration after injecting hydrogen peroxide stabilizer showed that hydrogen peroxide concentration was 14.6995 mM so that is stabilized at Fe(Ⅱ) 2 mM condition in 48 hours. On the other hand, hydrogen peroxide is not stable in Fe(Ⅲ) condition. SDS concentration was fixed and iron concentration was changed 2~8 mM to find out optimize proportion between iron concentration and SDS concentration in modified Fenton reaction. Consequentially, in condition of which Fe(Ⅱ) 4 mM and SDS 30 mM, reaction has the highest removal rate as 95%. |