Journal of Environmental Conservation Engineering
Online ISSN : 1882-8590
Print ISSN : 0388-9459
ISSN-L : 0388-9459
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Volume 40, Issue 9
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  • Elution of Mercury from Fly Ash of Municipal Waste Plant Stabilized with Chelating Agent
    Fumiko OGUCHI, Kaede SHIMOZAKI, Takao KATSUNO
    2011 Volume 40 Issue 9 Pages 548-552
    Published: September 20, 2011
    Released on J-STAGE: September 15, 2012
    DOIhttps://doi.org/10.5956/jriet.40.548
    JOURNAL FREE ACCESS
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    Elution of mercury (Hg) from fly ashes and the stabilized fly ashes of municipal waste plant were examined by the leaching test prescribed in the Japanese Environmental Agency Notification No. 13, 1973 (JLT-13) . On elution, a sample of the stabilized fly ash yielded over 0.005 mg/L of Hg, whereas that of the unstabilized ash yielded less than 0.0005 mg/L of Hg.
    Then, these samples were mixed with several chelating agents, and the Hg elution process was studied. Experimental results indicate that the elution yield of Hg from the stabilized fly ash depends on the Hg content in the fly ash and the combination of chelating agents used.
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