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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/103045

    Title: Characterization of elemental and structural composition of corrosion scales and deposits formed in drinking water distribution systems
    Authors: Peng, C. Y.;G. V. Korshin;R. L. Valentine;A. S. Hil;M. J. Friedman;S. H. Reiber
    Contributors: 淡江大學水資源及環境工程學系
    Keywords: Corrosion scales;Composition;Structure;Drinking water distribution systems
    Date: 2010-01-01
    Issue Date: 2015-05-15 00:38:47 (UTC+8)
    Publisher: London: I W A Publishing
    Abstract: Corrosion scales and deposits formed within drinking water distribution systems (DWDSs) have the potential to retain inorganic contaminants. The objective of this study was to characterize the elemental and structural composition of extracted pipe solids and hydraulically-mobile deposits originating from representative DWDSs. Goethite (α-FeOOH), magnetite (Fe3O4) and siderite (FeCO3) were the primary crystalline phases identified in most of the selected samples. Among the major constituent elements of the deposits, iron was most prevalent followed, in the order of decreasing prevalence, by sulfur, organic carbon, calcium, inorganic carbon, phosphorus, manganese, magnesium, aluminum and zinc. The cumulative occurrence profiles of iron, sulfur, calcium and phosphorus for pipe specimens and flushed solids were similar. Comparison of relative occurrences of these elements indicates that hydraulic disturbances may have relatively less impact on the release of manganese, aluminum and zinc, but more impact on the release of organic carbon, inorganic carbon, and magnesium.
    Relation: Water Research 44(15), pp.4570-4580
    DOI: 10.1016/j.watres.2010.05.043
    Appears in Collections:[水資源及環境工程學系暨研究所] 期刊論文

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