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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/77243

    Title: Effect of the milling solution on lead stabilization in municipal solid waste incinerator fly ash during the milling processes
    Authors: Sun, Chang-jung;Li, Ming-guo;Gau, Sue-huai;Chuang, Chia-jung
    Contributors: 淡江大學水資源及環境工程學系
    Date: 2011-02
    Issue Date: 2012-06-14 09:11:45 (UTC+8)
    Publisher: Kidlington: Pergamon
    Abstract: The wet milling process had been found to effectively stabilize lead in flyash. This study adopts this method and looks at the effect of different millingsolutions to improve the efficiency of leadstabilization. Different millingsolutions (water, phosphoric acid and ethanol) and different milling times (1, 24, 48 and 96 h) were selected as parameters. Since lead oxide can be identified by XRD in this experiment’s samples, 5% lead oxide was added to the extracted mixed flyash to make instrumental analysis easier. The experimental results indicate that the effect of stabilization of lead after milling could exceed 96%. During milling with water, considerable lead leached into the water in the initial stage (1 h) of the process, but a stable level was reached as the milling time increased. After milling with ethanol and 0.2 M phosphoric acids, the efficiency could exceed 93% after 1 h of milling time. The results of the sequential extraction procedure (SEP) results show that the residual fraction could be increased from 8.93% to 56.16% when a 0.2 M phosphoric acid solution was used. Clearly the choice of an appropriate millingsolution can enhance leadstabilization in the flyash.
    Relation: Waste Management 31(2), pp.318-324
    DOI: 10.1016/j.wasman.2010.04.020
    Appears in Collections:[Graduate Institute & Department of Water Resources and Environmental Engineering] Journal Article

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