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http://dx.doi.org/10.7837/kosomes.2019.25.1.074

Changes in Sediment Properties Caused by a Covering of Oyster Shells Pyrolyzed at a Low Temperature  

Kim, Hyung-Chul (Marine Environment Research Division, National Institute of Fisheries Science)
Woo, Hee-Eun (Department of Ocean Engineering Pukyong National University)
Jeong, Ilwon (Department of Ocean Engineering Pukyong National University)
Oh, Seok-Jin (Department of Oceanography, Pukyong National University)
Lee, Seong-Ho (Eco Technology)
Kim, Kyunghoi (Department of Ocean Engineering Pukyong National University)
Publication Information
Journal of the Korean Society of Marine Environment & Safety / v.25, no.1, 2019 , pp. 74-80 More about this Journal
Abstract
In this study, pyrolyzed oyster shells at a low temperature ($350^{\circ}C$) were applied for a mesocosm experiment to confirm resulting changes in the properties of sediment. After creating a covering of oyster shells, an increase in ORP and decrease in ammonia in the overlying water was observed in an experimental case. The decrease of TOC in this experiment was due to the dilution of organic matter due to the addition of inorganic matter (pyrolyzed oyster shells). The decrease in the concentration of AVS was observed due to the adsorption of AVS by the surface of the oyster shells. From the results obtained in this experiment, it has been concluded that pyrolyzed oyster shells at a low temperature can be used for remediation of polluted sediment.
Keywords
Oyster shells; Pyrolysis at low temperature; Covering; Coastal sediment; Nutrients; AVS; TOC;
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Times Cited By KSCI : 3  (Citation Analysis)
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