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http://dx.doi.org/10.7857/JSGE.2011.16.1.062

Evaluation of Leachate Containment by Soil-cement Walls for a Closed Landfill  

Lee, Dong-Geon (Dept. of Civil and Environmental Engineering, Hanyang University)
Ahn, Jo-Hwan (Dept. of Civil and Environmental Engineering, Hanyang University)
Kwon, Ki-Wook (Dept. of Civil and Environmental Engineering, Hanyang University)
Koo, Ja-Kong (School of Energy & Resources Engineering, Jungwon University)
Bae, Woo-Keun (Dept. of Civil and Environmental Engineering, Hanyang University)
Publication Information
Journal of Soil and Groundwater Environment / v.16, no.1, 2011 , pp. 62-70 More about this Journal
Abstract
This study was conducted to evaluate the performance of soil-cement walls (SCWs) to control leachate from a leaking landfill site. Tracer tests revealed that the SCW was effective to control groundwater seepage. Approximately two-months of curing period appeared to be sufficient to ensure thorough containment of landfill leachate, although a three-week period was not enough. The water quality of the monitoring wells after construction of the SCWs met the groundwater quality standard of the korean Waste Management Act, except for bacteria and coliform groups. Also an analysis of a spring water around the landfill showed that the concentrations of ammonia, inorganic nitrogen and soluble manganese which had been common contaminants in the spring water decreased dramatically after constructing the walls. Therefore, the results suggested that a SCW can be an attractive method to control leachate from a leaking landfill site.
Keywords
Colsed landfill site; Groundwater advection; Lecheate; Soil-cement wall (SCW); Tracer analysis;
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Times Cited By KSCI : 1  (Citation Analysis)
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