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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.9
- 수록면
- 456 - 462 (7page)
이용수
초록· 키워드
오류제보하기
Hydrocarbon contamination is among the most challenging problems in soil remediation. Electrokinetic method can be a promising method to remediate hydrocarbon-contaminated soils. Electrokinetic method consists of different transport phenomena including electro-migration, electrophoresis, and electroosmotic flow. Electroosmotic flow is the main transport phenomenon for hydrocarbon removal in soil porous media. However, the main component of hydrocarbons is the hydrophobic organic which indicates low water solubility; therefore, it makes the electroosmotic flow less effective. The objective of the present study is to enhance electrokinetic remediation of diesel-contaminated silty sand by increasing the solubility of the hydrocarbons in the soil and then increase the efficiency. For this purpose, sodium dodecyl sulfate (SDS) was used as a catholyte. In this content, SDS 0.05 M was used as catholyte and Na₂SO₄ 0.1 M was used as an anolyte. Low (1 V/cm) and high (2 V/㎝) voltage gradients were used in periodic and continuous forms. The best removal efficiency was observed for high voltage gradient (2 V/㎝) in a periodic form, which was 63.86. This result showed that a combination of periodic voltage application in addition to the employment of SDS is an effective method for hydrocarbon removal from low permeable sand.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (27)
참고문헌 신청
Boulakradeche MO, Akretche DE, Cameselle C, Hamidi N. Enhanced electrokinetic remediation of hydrophobic organics ontaminated soils by the combinations of non-ionic and ionic surfactants. Electrochim. Acta 2015;174:1057-1066.
Cameselle C, Reddy KR. Effects of periodic electric potential and electrolyte recirculation on electrochemical remediation of contaminant mixtures in clayey soils. Water Air Soil Pollut. 2013;224:1636.
Virkutyte J, Sillanpaa M, Latostenmaa P. Electrokinetic soil remediation ? Critical overview. Sci. Total Environ. 2002;289: 97-121.
Reddy KR, Chinthamreddy S. Sequentially enhanced electrokinetic remediation of heavy metals in low buffering clayey soils. J. Geotech. Geoenviron. Eng. 2003;129:263-277.
Maturi K, Reddy KR, Cameselle C. Surfactant-enhanced electrokinetic remediation of mixed contamination in low permeability soil. Sep. Sci. Technol. 2009;44:2385-2409.
Cameselle C, Reddy KR. Effects of periodic electric potential and electrolyte recirculation on electrochemical remediation of contaminant mixtures in clayey soils. Water Air Soil Pollut. 2013;224:1636.
Virkutyte J, Sillanpaa M, Latostenmaa P. Electrokinetic soil remediation ? Critical overview. Sci. Total Environ. 2002;289: 97-121.
Reddy KR, Chinthamreddy S. Sequentially enhanced electrokinetic remediation of heavy metals in low buffering clayey soils. J. Geotech. Geoenviron. Eng. 2003;129:263-277.
Maturi K, Reddy KR, Cameselle C. Surfactant-enhanced electrokinetic remediation of mixed contamination in low permeability soil. Sep. Sci. Technol. 2009;44:2385-2409.
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UCI(KEPA) : I410-ECN-0101-2019-539-000448536