Effect of Ultrasound on Surfactant-Aided Soil Washing
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概要
- 論文の詳細を見る
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.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2007-07-30
著者
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Khim Jeehyeong
Department Of Civil & Environmental Engineering Korea University
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Ha Jeongsook
Department Of Chemical And Biological Engineering Korea Univ.
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Hwang Anna
Department of Civil, Environmental & Architectural Engineering, Korea University
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Kim Younguk
Department Of Civil And Environmental Engineering Myongji University
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Khim Jeehyeong
Department of Civil and Environmental Engineering, Korea University, Anam-dong, Seongbuk-gu, Seoul 136-713, Korea
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Na Seungmin
Department of Civil and Environmental Engineering, Korea University, Anam-dong, Seongbuk-gu, Seoul 136-713, Korea
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Park Yongwoon
Kumho Construction and Engineering, Kumho Asiana Building #57, Sinmunro 1-ga, Jongro-gu, Seoul 110-061, Korea
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Ha Jeongsook
Department of Chemical and Biological Engineering, Korea University, Anam-dong, Seongbuk-gu, Seoul 136-713, Korea
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Hwang Anna
Department of Civil and Environmental Engineering, Korea University, Anam-dong, Seongbuk-gu, Seoul 136-713, Korea
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