淡江大學機構典藏:Item 987654321/44716
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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/44716


    Title: Influence of ligands on metals leachability from landfilling bottom ashes
    Authors: 高思懷;Gau, Sue-huai;Jeng, Wen-chin
    Contributors: 淡江大學水資源及環境工程學系
    Keywords: Incinerator bottom ashes;Heavy metal leachability;Ligands;TCLP;Lysimeter leaching test
    Date: 1998-02-01
    Issue Date: 2010-03-26 16:56:15 (UTC+8)
    Publisher: Elsevier
    Abstract: After municipal solid waste is incinerated, its bottom ash used to be disposed by landfill. Although the leachate quality is less polluted, some heavy metals in the bottom ashes are affected by ligands, which raise their release potential. Concerned by the bottom ashes landfilling, this research explored the influence strengths of ligands in leaching heavy metals, by rotary extraction and lysimeter leaching test. The results from extraction proved that with the rising concentration of extraction solutions of HCO3−, CO32− and NH3, the released amount of Cu was most likely to exceed the local effluent standard in Taiwan. The lysimeter leaching test achieved the same results as those of extraction and it proved that the results of extractive process could be applied to the landfill site. The results from these experiments confirmed that the extraction could simulate the release of Cu and predict the accumulation of released amounts of Cu in the leachate from landfill of bottom ashes. The statistic regression formulas obtained from this research were feasible, since they could highlight the release trend of Cu concentration, although they were unable to predict the trend precisely.
    Relation: Journal of Hazardous Materials 58(1-3), pp.59-71
    DOI: 10.1016/S0304-3894(97)00120-9
    Appears in Collections:[Graduate Institute & Department of Water Resources and Environmental Engineering] Journal Article

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