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Assessment of Peroxy-acid Oxidation for Reduction of Polycyclic Aromatic Hydrocarbons(PAHs) in Field Soil

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2021, 30(2), pp.132-139
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering
  • Received : March 30, 2021
  • Accepted : April 5, 2021
  • Published : April 29, 2021

Sang-Rak Jung 1 YOON-YOUNG CHANG ORD ID 2

1광운대학교 환경공학과
2광운대학교

Accredited

ABSTRACT

Laboratory-scale experiments were conducted to assess the effect of oxidative decomposition of polycyclic aromatic hydrocarbons (PAHs) in field soil using peroxy-acid. The study soil texture is sandy soil containing 19.2 % of organic matter at pH 6.8. Among polycyclic aromatic hydrocarbons (PAHs) in the study soil, the concentration of benzo(a)pyrene is 2.23 mg/kg which is three times higherthan the Korea standard level. Therefore benzo(a)pyrene was selected as the target study PAH for the treatment by peroxy-acid oxidation using peroxy-acid coupled with hydrogen peroxide, and the efficiency of the oxidative decomposition of benzo(a)pyrene was assessed for the different organic acids and dosages of an organic acid and hydrogen peroxide. Propionic acid among the tested organic acids showed the highest efficiency of benzo(a)pyrene reduction in the peroxyacid oxidation treatment and finally satisfied the Korea standard level.

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