淡江大學機構典藏:Item 987654321/88202
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    题名: Multilevel Structure of Sludge Flocs
    作者: Wu, R. M.;D. J. Lee;T. D. Waite;J. Guan
    贡献者: 淡江大學化學工程與材料工程學系
    日期: 2002-08
    上传时间: 2013-04-13 17:49:18 (UTC+8)
    出版者: Academic Press
    摘要: In this work, the structure of two kaolin sludges and a waste activated sludge are investigated using both light-scattering and free-settling methods. Fractal dimensions estimated by the light-scattering and free-settling techniques (DS and DF respectively) differ significantly and support the hypothesis that naturally occurring aggregates possess a multilevel structure. A two-level floc structural model comprised of (i) a primary floc (of fractal dimension DS) consisting of primary particles and (ii) a secondary floc (of fractal dimension DF) consisting of the microflocs is proposed to interpret the experimental findings. The structural changes of sludge flocs before and after cationic flocculation are interpreted using the proposed two-level model.
    關聯: Journal of Colloid and Interface Science 252(2), pp.383-392
    DOI: 10.1006/jcis.2002.8494
    显示于类别:[化學工程與材料工程學系暨研究所] 期刊論文

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