Effect of ultrasound on surfactant-aided soil washing

Seungmin Na, Yongwoon Park, Anna Hwang, Jeongsook Ha, Younguk Kim, Jeehyeong Khim

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)


The use of ultrasound as an enhancement mechanism in the surfactant-aided soil-washing process was examined by conducting desoption tests of soils contaminated with naphthalene or diesel-oil. The experiments were conducted to elucidate the effect of ultrasound on the mass transfer from soil to the aqueous phase using naphthalene-contaminated soil. In addition, the use of ultrasound for the diesel-oil-contaminated soil was investigated under a range of conditions of surfactant concentration, sonication power, duration, soil/liquid ratio, particle size and initial diesel-oil concentration. The ultrasound used in the soil-washing process significantly enhanced the mass transfer rate from the solid phase to the aqueous phase. The removal efficiency of diesel-oil from the soil phase generally increased with longer sonication time, higher power intensity, and large particle size.

Original languageEnglish
Pages (from-to)4775-4778
Number of pages4
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Issue number7 B
Publication statusPublished - 2007 Jul 26


  • Desorption
  • Diesel-oil
  • Naphthalene
  • Remediation
  • Soil-washing
  • Sonication
  • Ultrasound

ASJC Scopus subject areas

  • General Engineering
  • General Physics and Astronomy


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