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http://dx.doi.org/10.9720/kseg.2015.3.339

In Situ Iron-manganese Removal by an Oxygenated Water Injection-and-extraction Technique in a Riverbank Filtration System  

Yi, Myeong-Jae (GeoGreen21,Department of Geology, Kangwon National University)
Cha, Jang-Hwan (GeoGreen21)
Jang, Ho-June (GeoGreen21)
Ahn, Hyun-suk (GeoGreen21)
Hahn, Chan (GeoGreen21)
Kim, Yongsung (GeoGreen21)
Publication Information
The Journal of Engineering Geology / v.25, no.3, 2015 , pp. 339-347 More about this Journal
Abstract
Riverbank filtration has been suggested as a cost-effective method for improving water quality. However, high concentrations of Fe2+ and Mn2+ cause problems for the use of water and the maintenance of facilities. We evaluated the effectiveness and efficiency of an Fe2+ and Mn2+ removal technique based on the in situ injection of highly oxygenated water at a site on the Anseong River, between Anseong City and Pyeongtaek City, Gyeonggi Province. The removal process consists of three steps: injection, resting, and extraction. Results show that the removal efficiency increases with repeated application of the process. The amount of Fe-reduced drinking water satisfying water regulations (limit, 0.3 mg/L Fe) obtained using oxygenated water injection was five times higher than the amount of injected oxygenated water. Levels of Mn2+ were also reduced following the injection of oxygenated water.
Keywords
oxygenated water; iron-manganese removal; riverbank filtration; injection-and-extraction technique;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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