• Extraction of Total Petroleum Hydracabons from Petroleum Oil-Contaminated Sandy Soil by Soil Washing
  • Lee, Cha-Dol;Yoo, Jong-Chan;Yang, Jung-Seok;Kong, Jun;Baek, Kitae;
  • 토양 세척법에 의한 유류오염 사질토양의 TPH 추출 효율 평가
  • 이차돌;유종찬;양중석;공준;백기태;
  • 전북대학교 환경공학과;전북대학교 환경공학과;한국과학기술연구원 강릉분원;코오롱워터앤에너지;전북대학교 환경공학과;
Abstract
The influences of various operating parameters on physico-chemical techniques were evaluated to remediate petroleum-contaminated sandy soil including S/L ratio, kinetic, and effect of soil particle size. The simple extraction using tap water removed only 20.6% of total petroleum hydrocarbon (TPH), and addition of NaOH enhanced the removal of TPH to approximately 30%. To meet the regulation levels, a surfactant, sodium dodecyl sulfate, was added, and the removal of TPH increased to 4 times. Probably, the carbonate minerals affected chemical aging and soprtion of petroleum, which inhibited the extraction of TPH. The soil with smaller particle size contained more TPH, and the removal of TPH was obstructed with smaller particle size. However, NaOH addition increased the removal of TPH in the smaller particles. The physico-chemical properties of soil influenced greatly the removal of petroleum even in sandy soil.

Keywords: Soil washing;TPH;Diesel;Sodium hydroxide;Sodium Dodecyl Sulfate;

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This Article

  • 2013; 18(7): 18-24

    Published on Dec 30, 2013

  • 10.7857/JSGE.2013.18.7.018
  • Received on May 29, 2013
  • Revised on Nov 6, 2013
  • Accepted on Nov 6, 2013