Effect of ultrasound on surfactant-aided soil washing

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

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

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
Volume46
Issue number7 B
DOIs
Publication statusPublished - 2007 Jul 26

Fingerprint

washing
Washing
soils
Surface active agents
Ultrasonics
surfactants
Soils
oils
Sonication
Naphthalene
naphthalene
mass transfer
Mass transfer
Particle size
solid phases
conduction
Oils
augmentation
Liquids
liquids

Keywords

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

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Effect of ultrasound on surfactant-aided soil washing. / Na, Seungmin; Park, Yongwoon; Hwang, Anna; Ha, Jeong Sook; Kim, Younguk; Khim, Jeehyeong.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 46, No. 7 B, 26.07.2007, p. 4775-4778.

Research output: Contribution to journalArticle

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