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A method for evaluation of suspension quality easy applicable to practice. The effect of mixing on floc properties
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SYSNO ASEP 0364481 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název A method for evaluation of suspension quality easy applicable to practice. The effect of mixing on floc properties Tvůrce(i) Bubáková, Petra (UH-J) SAI, ORCID, RID
Pivokonský, Martin (UH-J) SAI, ORCID, RID
Pivokonská, Lenka (UH-J) SAI, ORCID, RIDZdroj.dok. Journal of Hydrology and Hydromechanics. - : Ústav pro hydromechaniku AV ČR, v. v. i.. - : Ústav hydrológie SAV - ISSN 0042-790X
Roč. 59, č. 3 (2011), s. 184-195Poč.str. 12 s. Jazyk dok. eng - angličtina Země vyd. SK - Slovensko Klíč. slova aggregation ; drinking water treatment ; floc properties ; flocculation ; test of aggregation Vědní obor RIV BK - Mechanika tekutin CEP GAP105/11/0247 GA ČR - Grantová agentura ČR CEZ AV0Z20600510 - UH-J (2005-2011) UT WOS 000295950800004 EID SCOPUS 80055096216 DOI 10.2478/v10098-011-0015-7 Anotace 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. Pracoviště Ústav pro hydrodynamiku Kontakt Soňa Hnilicová, hnilicova@ih.cas.cz, Tel.: 233 109 003 Rok sběru 2012
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