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  • Denitrification of groundwater in the biofilm reactor with a specific biomass support material
    Vrtovšek, Janez ; Roš, Milenko
    This study demonstrated the feasibility of a fixed-bed reactor system with a specific biomass support material for groundwater treatment. The denitrification rate increased up to a maximal value of ... 1.3 gNO3-N m-2 day-1 with increasing nitrogen loading rate. Kinetic analysis of the system confirmed a half-order denitrification kinetic region in the NOx-N concentration range from 0.25 mg L-1 to 16 mg L-1, with the half-order reaction coefficient k1ž2 of 0.35 g0.5 m-0.5 day-1 when the carbon source was in excess. Under the experimental conditions, drinking water quality was achieved at a nitrogen loading lower than 1.9 gNO3-N m-2 day-1 with an influent COD/N ratio of 3.7 if acetate was used as the carbon source. The system is fairly robustč it can be operated in a simple manner at low hydraulic loadings without recirculation flow and without backwashing.
    Vir: Acta chimica slovenica. - ISSN 1318-0207 (Vol. 53, no. 3, 2006, str. 396-400)
    Vrsta gradiva - članek, sestavni del
    Leto - 2006
    Jezik - angleški
    COBISS.SI-ID - 28085253

    Povezava(-e):

    Digitalna knjižnica Slovenije - dLib.si

vir: Acta chimica slovenica. - ISSN 1318-0207 (Vol. 53, no. 3, 2006, str. 396-400)

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