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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/88211


    Title: Steady-State Solid-Flux Plot of Blanket in Upflow Suspended Bed
    Other Titles: 上流式懸浮床泥毯之穩態固通量圖
    Authors: S. S. Sung;D. J. Lee;Wu, R. M.
    Contributors: 淡江大學化學工程與材料工程學系
    Keywords: Flocculation clarifier;Blanket;solid-flux plot
    Date: 2005-07
    Issue Date: 2013-04-13 18:02:56 (UTC+8)
    Publisher: 臺北市:中國化學工程學會
    Abstract: We experimentally elucidated the behavior of steady-state blanket produced from raw water of turbidity 100-450 NTU (Nephelometric Turbidity Unit) subjected to underdosed, optimal, and overdosed coagulation. Polyaluminum chloride (PACl) was the coagulant. The blanket heights and effluent turbidities in an upflow suspended bed were recorded at different upflow velocities. Based on the one-dimensional model proposed by Chen et al. (2003a), the steady-state blanket concentration were estimated, whence the three-dimensional solid-flux plot constructed. When the solid flux was plotted against the solid concentration and the ratio of raw water turbidity and PACI dose, a master surface presented all tests in a unified way was noticeable. This plot could be used to predict steady-state blanket behavior at change in water turbidity or in PACl dose.
    本文實驗量測以100-450 NTU濁度原水在不足劑量、最適劑量、或過度加藥混凝產生泥毯之穩態行為,聚氯化鋁(PACI)為混凝劑。實驗中記錄懸浮床在不同上浮速度下之床高及出流水濁度,此數據以Chen et al. (2003a)所提出之一維模型分析,從而建構三維之固通量圖。當固通量對固體濃度及原水濁度與PACl加藥量比值作圖時,所有數據會落於同一曲面上,因此所求出之固通量圖可用於預測原水濁度或PACl劑量改變時泥毯穩態行為之變化。
    Relation: Journal of the Chinese Institute of Chemical Engineers=中國化學工程學會會誌 36(4), pp.385-390
    Appears in Collections:[化學工程與材料工程學系暨研究所] 期刊論文

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