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The impact of algal organic matter on the processes of destabilization and aggregation during water treatment

  1. 1.
    0343917 - ÚH 2011 AT eng C - Konferenční příspěvek (zahraniční konf.)
    Bäumeltová, Jitka - Vašáková, Renáta - Bubáková, Petra - Pivokonský, Martin
    The impact of algal organic matter on the processes of destabilization and aggregation during water treatment.
    Proceedings of the 1st IWA Austrian National Young Water Professionals Conference. Vienna: IWA, 2010, Article no. IWA-4190. ISBN N.
    [IWA Austrian National Young Water Professionals Conference /1./. Vienna (AT), 09.06.2010-11.06.2010]
    Grant CEP: GA AV ČR IAA200600902
    Výzkumný záměr: CEZ:AV0Z20600510
    Klíčová slova: aggregation * cellular organic matter * destabilization * Microcystis aeruginosa * water treatment
    Kód oboru RIV: BK - Mechanika tekutin

    The aim of this paper is to investigate the removal efficiencies of components of the cellular organic matter (COM) produced by Microcystis aeruginosa during chemical water treatment (destabilization and subsequent aggregation of the COM particles). Standard jar tests with ferric sulphate as a destabilizing reagent were applied to treatment of raw water containing COM. Several methods (protein precipitation, resin fractionation technique and gel permeation chromatography) were used for characterization of COM components and for evaluation of removal efficiencies of individual fractions. It was found that high molecular proteins and hydrophobic substances (presumptively amines and neutral hydrocarbons and carbonyl compounds) were removed with very high efficiencies, while low molecular proteins and nonproteinous substances were removed with difficulties. Hydrophilic neutral substances (most likely polysaccharides) were not removable at all.
    Trvalý link: http://hdl.handle.net/11104/0186280

     
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