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http://dx.doi.org/10.14481/jkges.2015.16.5.5

Column Test for Evaluation on Removal Efficiency of Heavy Metal and Nutrients by Double Layered Permeable Reactive Barrier  

Oh, Myounghak (Coastal & Environmental Engineering Division, Korea Institute of Ocean Science & Technology)
Kim, Yongwoo (Environmental Standard Management Office, Korea Environmental Industry & Technology Institute)
Park, Junboum (Department of Construction & Environmental Engineering, Seoul National University)
Kwon, Osoon (Coastal & Environmental Engineering Division, Korea Institute of Ocean Science & Technology)
Publication Information
Journal of the Korean GEO-environmental Society / v.16, no.5, 2015 , pp. 5-11 More about this Journal
Abstract
The double sheeted permeable reactive barrier containing two different reactive materials can be applied to remediate the groundwater contaminated by nutrients and heavy metals. In this study, in order to evaluate the removal efficiency of contaminants including ammonium, cadmium and phosphate by double layered permeable reactive barrier containing zeolite and steelmaking slag, column tests were performed. In addition, nonequilibrium reaction in column tests was analyzed by two-site nonequilibrium advection-dispersion model. Column test results showed that zeolite is effective for removal of ammonium, while steelmaking slag is effective for removal of phosphate and cadmium. The sequential reaction of zeolite and steelmaking slag gave the better removal efficiency for ammonium.
Keywords
Zeolite; Steelmaking slag; Double sheeted reactive barrier; Column test;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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