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    題名: Characterization of elemental and structural composition of corrosion scales and deposits formed in drinking water distribution systems
    作者: Peng, C. Y.;G. V. Korshin;R. L. Valentine;A. S. Hil;M. J. Friedman;S. H. Reiber
    貢獻者: 淡江大學水資源及環境工程學系
    關鍵詞: Corrosion scales;Composition;Structure;Drinking water distribution systems
    日期: 2010
    上傳時間: 2015-05-15 00:38:47 (UTC+8)
    出版者: London: I W A Publishing
    摘要: 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.
    關聯: Water Research 44(15), pp.4570-4580
    DOI: 10.1016/j.watres.2010.05.043
    顯示於類別:[水資源及環境工程學系暨研究所] 期刊論文

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