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Pollutant Monitoring of Abandoned Mines using the Leaching Test with Soils and Tailings  

Kang, Mee-A (Department of Environmental Engineering, Andong National University)
Kim, Kwang-Tae (Environmental management Corporation, Honam Branch Office)
Publication Information
The Journal of Engineering Geology / v.17, no.3, 2007 , pp. 419-424 More about this Journal
Abstract
The contents were investigated by the monitoring survey from the soils and tailings caused by numerous abandoned mines in Korea. Cause heavy metals due to abandoned metal mines are raising significant environmental problems. But it is an important key such as a leaching and a transfer mechanism to evaluate contamination levels caused by abandoned mines. In this study the column test was carried in order to calculate a leaching level from soils and tailings. It was demonstrated that the leaching of Pb, Cd and Mn was expressed with similar behaviors and that of As and Cu was expressed with similar behaviors. For Zn, the leaching behavior was shown a serious leaching level with 40 mg/kg during the 45days. This was explained by Zn high contents of soils Zn in a natural world and ORP conditions where the leaching of Zn was occurred easily. Hence it was necessary that the survey of ORP was a key as well as total contents for the management of abandoned metal mines. We could estimate the chemical forms of heavy metals using the physical index such as ORP and pH and reduce the risk from heavy metals caused by abandoned metal mines.
Keywords
abandoned mines; heavy metals; oxidation-reduction potential(ORP); leaching; tailings; soils;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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