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On the importance of mixing characterization and application in the water treatment process

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    SYSNO ASEP0531619
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleOn the importance of mixing characterization and application in the water treatment process
    Author(s) Vašatová, Petra (UH-J) RID, ORCID, SAI
    Filipenská, Monika (UH-J) ORCID, RID
    Petříček, Radim (UH-J) RID, ORCID, SAI
    Pivokonský, Martin (UH-J) SAI, ORCID, RID
    Source TitleJournal of Water Supply Research and Technology. AQUA - ISSN 0003-7214
    Roč. 69, č. 6 (2020), s. 639-646
    Number of pages8 s.
    Publication formOnline - E
    Languageeng - English
    CountryGB - United Kingdom
    Keywordsaggregation ; flocculation ; floc properties ; separation ; shear rate ; velocity gradient
    Subject RIVDJ - Water Pollution ; Quality
    OECD categoryEnvironmental sciences (social aspects to be 5.7)
    R&D ProjectsGA18-05007S GA ČR - Czech Science Foundation (CSF)
    Method of publishingLimited access
    Institutional supportUH-J - RVO:67985874
    UT WOS000576377200010
    EID SCOPUS85093655622
    DOI10.2166/aqua.2020.033
    AnnotationFloc properties can be controlled only by selecting a coagulant type and adjusting mixing parameters. However, optimization of mixing is widely overlooked. Well-chosen mixing conditions increase floc separation efficiency, which decreases the operating costs of drinking water treatment plants (DWTPs). This paper presents guidelines for designing mixing parameters in water treatment. Special attention is paid to the determination of mixing intensity and the purpose of different mixing intensities with respect to the subsequent separation. For instance, single-stage separation by filtration must be preceded by homogenization and rapid flocculation mixing. Double-stage separation by sedimentation and filtration should be preceded by homogenization, rapid flocculation mixing and slow flocculation mixing.
    WorkplaceInstitute of Hydrodynamics
    ContactSoňa Hnilicová, hnilicova@ih.cas.cz, Tel.: 233 109 003
    Year of Publishing2021
    Electronic addresshttps://iwaponline.com/aqua/article-abstract/doi/10.2166/aqua.2020.033/76281/On-the-importance-of-mixing-characterization-and
Number of the records: 1