| Title |
Effects of Capping with Recycled Aggregates and Natural Zeolite on Inhibition of Contaminants Release from Marine Sediment |
| Authors |
김영기 ( Young-kee Kim ) ; 신우석 ( Woo-seok Shin ) |
| DOI |
https://doi.org/10.15681/KSWE.2016.32.6.546 |
| Keywords |
Capping; Marine sediment; Natural zeolite; Pollution; Recycled aggregate |
| Abstract |
In this study, the capping with recycled aggregate and natural zeolite on marine sediment was accomplished to investigate the inhibition effect on pollutants release from sediment to seawater. An experiment was accomplished by capping with amendments for 60 days, and organic matter (COD), nitrate, phosphate and metallic elements (Ni, Zn, Cu, Pb, Cd, As, and Cr) concentrations were measured. Two capping materials effectively suppressed pollutants release. Recycled aggregate showed better capability for organic pollutants, nitrate and phosphate release. Meanwhile, natural zeolite was effective for metallic elements. As a result, recycled aggregate and natural zeolite can be considered as cheap capping material candidates. Also, the capping material can be selected according to target pollutants. |