Abstract
The purpose of this study was to identify and evaluate the efficiency of the supercritical fluid extraction (SFE) method for removing diesel from an artificially contaminated soil using a supercritical carbon dioxide and an ultrasound. Compared with SFE, ultrasound-enhanced/assisted SFE (USFE) was able to provide a 14.8% increase in the diesel removal rate from dieselcontaminated soil at the SFE conditions of 40 °C, 16 MPa, 2 mL/min CO2 flow rate and 40 min dynamic extraction time, and the ultrasound conditions of 316W/cm2 and 20 kHz. These results showed that an ultrasound reduce the extraction time, the extraction pressure, the CO2 flow rate and the extraction temperature during the SFE process by enhancing the mass transfer from the soil to the supercritical CO2.
| Original language | English |
|---|---|
| Pages (from-to) | 4314-4316 |
| Number of pages | 3 |
| Journal | Japanese Journal of Applied Physics |
| Volume | 47 |
| Issue number | 5 PART 2 |
| DOIs | |
| Publication status | Published - 2008 May 23 |
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Keywords
- Diesel-contaminated soil
- SFE
- Supercritical carbon dioxide
- Ultrasound
- USFE
ASJC Scopus subject areas
- Engineering(all)
- Physics and Astronomy(all)
Cite this
Remediation of diesel-contaminated soil using supercritical carbon dioxide and ultrasound. / Park, Ik Beom; Son, Younggyu; Song, Il Seok; Kim, Jongchan; Khim, Jeehyeong.
In: Japanese Journal of Applied Physics, Vol. 47, No. 5 PART 2, 23.05.2008, p. 4314-4316.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Remediation of diesel-contaminated soil using supercritical carbon dioxide and ultrasound
AU - Park, Ik Beom
AU - Son, Younggyu
AU - Song, Il Seok
AU - Kim, Jongchan
AU - Khim, Jeehyeong
PY - 2008/5/23
Y1 - 2008/5/23
N2 - The purpose of this study was to identify and evaluate the efficiency of the supercritical fluid extraction (SFE) method for removing diesel from an artificially contaminated soil using a supercritical carbon dioxide and an ultrasound. Compared with SFE, ultrasound-enhanced/assisted SFE (USFE) was able to provide a 14.8% increase in the diesel removal rate from dieselcontaminated soil at the SFE conditions of 40 °C, 16 MPa, 2 mL/min CO2 flow rate and 40 min dynamic extraction time, and the ultrasound conditions of 316W/cm2 and 20 kHz. These results showed that an ultrasound reduce the extraction time, the extraction pressure, the CO2 flow rate and the extraction temperature during the SFE process by enhancing the mass transfer from the soil to the supercritical CO2.
AB - The purpose of this study was to identify and evaluate the efficiency of the supercritical fluid extraction (SFE) method for removing diesel from an artificially contaminated soil using a supercritical carbon dioxide and an ultrasound. Compared with SFE, ultrasound-enhanced/assisted SFE (USFE) was able to provide a 14.8% increase in the diesel removal rate from dieselcontaminated soil at the SFE conditions of 40 °C, 16 MPa, 2 mL/min CO2 flow rate and 40 min dynamic extraction time, and the ultrasound conditions of 316W/cm2 and 20 kHz. These results showed that an ultrasound reduce the extraction time, the extraction pressure, the CO2 flow rate and the extraction temperature during the SFE process by enhancing the mass transfer from the soil to the supercritical CO2.
KW - Diesel-contaminated soil
KW - SFE
KW - Supercritical carbon dioxide
KW - Ultrasound
KW - USFE
UR - http://www.scopus.com/inward/record.url?scp=54949098906&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=54949098906&partnerID=8YFLogxK
U2 - 10.1143/JJAP.47.4314
DO - 10.1143/JJAP.47.4314
M3 - Article
VL - 47
SP - 4314
EP - 4316
JO - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
JF - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
SN - 0021-4922
IS - 5 PART 2
ER -