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자료유형
학술저널
저자정보
저널정보
대한토목학회 KSCE JOURNAL OF CIVIL ENGINEERING KSCE JOURNAL OF CIVIL ENGINEERING Vol.10 No.3
발행연도
2006.5
수록면
181 - 187 (7page)

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Sediments contain significant water, clay, colloidal fraction and contaminants, and can result in soft strata with high initial void. Its potential hazards of the sediments are existed in subsurface environmrnts. Electrokinetic technique has been used in sedimentation and remediation for volume reduction of slurry tailing wastes and extraction of contaminants from contaminated soils. In this research, the coupled effects of sedimentation and remediation of contaminated sediments are investigated using electrokinetic sedimentation and remediation techniques from experimental aspects. A series of laboratory experiments including variable conditions such as initial solid content of the specimen, concentration level of the contaminant, and magnitude of applied voltage are performed with the contaminated sediment specimens mixed with ethylene glycol. Commercially available high specification Kaolin was used to simulate sediment. From the test results, the quantity of accumulated outflow is increased with increasing voltage applied, otherwise the quantity of accumulated outflow is decreased with increasing solid content and contamination level. The removal speed and time of contaminant was shortened with increasing voltage applied, and with decreasing solid content and contamination level.

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Abstract
1. Introduction
2. Experiments
3. Results and Discussion
4. Conclusions
References

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