Počet záznamů: 1

A method for evaluation of suspension quality easy applicable to practice. The effect of mixing on floc properties

  1. 1.
    0364481 - UH-J 2012 RIV SK eng J - Článek v odborném periodiku
    Bubáková, Petra - Pivokonský, Martin - Pivokonská, Lenka
    A method for evaluation of suspension quality easy applicable to practice. The effect of mixing on floc properties.
    Journal of Hydrology and Hydromechanics. Roč. 59, č. 3 (2011), s. 184-195 ISSN 0042-790X
    Grant CEP: GA ČR GAP105/11/0247
    Výzkumný záměr: CEZ:AV0Z20600510
    Klíčová slova: aggregation * drinking water treatment * floc properties * flocculation * test of aggregation
    Kód oboru RIV: BK - Mechanika tekutin
    Impakt faktor: 0.340, rok: 2011

    The paper introduces the test of aggregation as a simple, inexpensive method of evaluating suspension quality during drinking water treatment, suitable for use in both laboratory and operation conditions. The procedure and derivation of the aggregation test is described. The method is used for a demonstration of the influence of mean velocity gradient and mixing time on floc properties formed during the aggregation in a Couette reactor. It was proved that with increasing velocity gradient, the size of the aggregates present in the suspension decreases, and the suspension is substantially more homogeneous than with use of lower gradients. Further, it was confirmed that the size of aggregates reaches the steady state after a specific mixing time, which becomes shorter with increasing value of velocity gradient.
    Trvalý link: http://hdl.handle.net/11104/0006554
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