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A fluidized layer of granular material used for the separation of particulate impurities in drinking water treatment
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SYSNO ASEP 0360312 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název A fluidized layer of granular material used for the separation of particulate impurities in drinking water treatment Tvůrce(i) Pivokonský, Martin (UH-J) SAI, ORCID, RID
Bubáková, Petra (UH-J) SAI, ORCID, RID
Hnaťuková, Petra (UH-J) RID, SAI, ORCID
Knesl, Bohuslav (UH-J)Zdroj.dok. Journal of Hydrology and Hydromechanics. - : Ústav pro hydromechaniku AV ČR, v. v. i.. - : Ústav hydrológie SAV - ISSN 0042-790X
Roč. 59, č. 2 (2011), s. 95-106Poč.str. 12 s. Jazyk dok. eng - angličtina Země vyd. SK - Slovensko Klíč. slova aggregation ; destabilization ; fluidized layer ; separation ; water treatment Vědní obor RIV BK - Mechanika tekutin CEP IAA200600902 GA AV ČR - Akademie věd CEZ AV0Z20600510 - UH-J (2005-2011) UT WOS 000294700300003 EID SCOPUS 80052383217 DOI 10.2478/v10098-011-0008-6 Anotace The paper deals with the application of a fluidized layer of granular material (FLGM) for the direct separation of impurities in drinking water treatment. Further, it investigates the effect of operation parameters (grain size, arrangement, velocity gradient, dose of destabilisation reagent and temperature) on the aggregation (α) and separation efficiency (φ) of FLGM. The highest φ was achieved, when the particles entered FLGM immediately after the dosing of the destabilisation reagent, when they had the lowest degree of aggregation. The maximal value of φ was reached at G~250 s-1 The highest value of φ(Al) was achieved at T=5 °C, but the effect of T on φ(TOC) was not very significant. The maximal separation efficiency reached the values φ(Al)=0.81 at the optimal dosage D(Al)=1.55 mg/L and φ(TOC)=0.31 at the dosage D(Al)=2.36 mg/L. The separation of impurities proceeded via their interception on the FLGM grains in a form of solid, water-free shell (ρ=2450 kg/m3). Pracoviště Ústav pro hydrodynamiku Kontakt Soňa Hnilicová, hnilicova@ih.cas.cz, Tel.: 233 109 003 Rok sběru 2012
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