Blar i NTNU Open på forfatter "Helness, Herman"

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    • Biological Phosphorus Removal in a Moving Bed Biofilm Reactor 

      Helness, Herman (Doktoravhandlinger ved NTNU, 1503-8181; 2007:177, Doctoral thesis, 2007)
      Phosphorus (P) and nitrogen (N) removal from municipal wastewater is performed to prevent or reduce eutrophication in the receiving water. Both P and N can be removed physical/chemically as well as biologically. While ...

    • Hydrological performance of lined permeable pavements in Norway 

      Hassan Abdalla, Elhadi Mohsen; Selseth, Ingrid; Muthanna, Tone Merete; Helness, Herman; Alfredsen, Knut; Gaarden, Terje; Sivertsen, Edvard (Peer reviewed; Journal article, 2021)
      Lined permeable pavements (LPPs) are types of sustainable urban stormwater systems (SUDs) that are suitable for locations with low infiltration capacity or shallow groundwater levels. This study evaluated the hydrological ...