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Treatment of Diesel-Contaminated Soils by Fenton Oxidation

디젤로 오염된 토양에의 펜톤 산화공법 적용을 위한 산화제의 주입비 영향 연구

  • Lim, Myung-Hee (Department of Civil, Environmental and Architectural Engineering, Korea University) ;
  • Son, Young-Gyu (Department of Civil, Environmental and Architectural Engineering, Korea University) ;
  • Yun, Jun-Ki (Research institute of technology, Samsung Corporation) ;
  • Khim, Jee-Hyeong (Department of Civil, Environmental and Architectural Engineering, Korea University)
  • 임명희 (고려대학교 건축사회환경공학과) ;
  • 손영규 (고려대학교 건축사회환경공학과) ;
  • 윤준기 (삼성물산(주) 건설기술연구소) ;
  • 김지형 (고려대학교 건축사회환경공학과)
  • Published : 2008.02.28

Abstract

The batch tests were performed to determine the ratio of Fenton reagent on diesel contaminated soil. The objective of a column test was to determine and optimize the hydrogen peroxide requirements for the remediation of a soil contaminated with diesel fuel. The batch test were done on 5 g diesel contaminated soil containing hydrogen peroxide (35%) and Iron (II) sulfate. The $H_2O_2(g):Fe^{2+}(g)$ ratio varied 1:0, 30:1, 15:1, 5:1, 1:1, with contact reaction time 120min. Initial diesel concentration were 2,000 mg/kg, 5,000 mg/kg, and 10,000 mg/kg. Average diesel removal from the contaminated soil is 97% after 2hrs. Results of this study showed possible application of without addition of iron source. In column test, treatment of a diesel-contaminated soil (initial diesel concentration: 2,000 mg/kg, 5,000 mg/kg, and 10,000 mg/kg) with hydrogen peroxide (35%) only was containing natural-occurring minerals. The time required for the column test was approximately 90min, 180min, 270min; column length was 5 em, 10 em, and 15 em. The most effective stoichiometry (final diesel cone.: $200{\sim}300mg/kg$) of 0.2 g peroxide consumed/mg diesel degraded. Further investigation is required to identify the effect of soil organic matter and soil mineral.

Keywords

Fenton oxidation;Diesel;Soil;Hydrogen peroxide

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