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http://dx.doi.org/10.7844/kirr.2015.24.4.67

Evaluation of Some Rare Metals and Rare Earth Metals Contained in Coal Ash of Coal-fired Power Plants in Korea  

Park, Seok-Un (KEPCO Research Institute)
Kim, Jae-Kwan (KEPCO Research Institute)
Seo, Yeon-Seok (KEPCO Research Institute)
Hong, Jun-Seok (KEPCO Research Institute)
Lee, Hyoung-Beom (KEPCO Research Institute)
Lee, Hyun-Dong (KEPCO Research Institute)
Publication Information
Resources Recycling / v.24, no.4, 2015 , pp. 67-75 More about this Journal
Abstract
The content distributions of some rare metals and rare earthe metals in coal ash (fly ash, bottom ash and pond ash) and leachate from coal-fired power plants were investigated. In case of Yttrium (Y) and Neodymium (Nd) which were strategic critical elements, their contents were ranged from about 23 ~ 75 mg/kg and it is shown they are worth to be developed for the recovery and separation method. Considering the annual amount of fly ash and bottom ash and pond ash, coal-fired power plants have great value of about 1,670 billion KRW and it is regards they are worthy as urban mines.
Keywords
Rare Earth Metals; Rare Metals; Coal Ash; Coal-fired Power Plant; Urban mine;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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