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http://dx.doi.org/10.4491/eer.2005.10.4.199

A KINETIC ANALYSIS OF ORGANIC RELEASE FROM THE AQUIFER SOIL IN RIVERBANK/BED FILTRATION  

Ahn, Kyu-Hong (Water Environment and Remediation Center, KIST(Korea Institute of Science and Technology))
Moon, Hyung-Joon (Department of Environmental Engineering, Yeungnam University)
Kim, Seung-Hyun (Department of Environmental Engineering, Yeungnam University)
Publication Information
Environmental Engineering Research / v.10, no.4, 2005 , pp. 199-204 More about this Journal
Abstract
Experiments were performed to estimate the organic release from the aquifer soil in riverbank and/or riverbed filtration via a kinetic approach. Organic release was assumed as a reaction of first order regarding concentrations in both soil and water phases. The reaction rate constants were obtained by comparing the model predictions with the experimental data of organic release reaction and the equilibrium distribution of organic matter between water and soil phases. Results show that the organic release from the aquifer soil was not negligible under normal conditions in Korea reaching 4.7mg-COD/L-day. This indicates that manganese and iron start to be released from aquifer soil in the riverbank filtration in the middle reach of the Nakdong river if the travel time of the filtrate exceeds about 5 days. It was also seen that the COD of the soil organic matter was 0.89mg-COD/mg-OM and that 65% of the COD was BOD5.
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Times Cited By KSCI : 1  (Citation Analysis)
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