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The revival of tertiary continuous filters

About successful refurbishment of existing assets to consistently meet consent levels.






    Effluent polishing at STWs Ruurlo and Wehl
    Dutch municipal WWTP

    WWTP reaches > 25% waste activated sludge reduction with AquaAssist

    Evaluation of the impact of dosing Drylet’s AquaAssist into Dutch activated sludge plant after a longterm testing period.






      RFID-technology for realtime monitoring and control

      Two full scale filter plants have been equipped with Sand-Cycle, the features are described.






        Effluent polishing at STWs Ruurlo and Wehl
        UK experiences with continuously moving bed aerated bioreactors

        UK experiences with aerated continuous sand filters

        Full scale implementation of nitrifying continuous sand filters for meeting ammonia consent levels in municipal treatment plants.






          Effluent polishing for P-removal

          Full scale tertiary P removal with continuous sand filtration at WwTP Ruurlo and Wehl, the Netherlands






            Effluent polishing at STWs Ruurlo and Wehl
            UK experiences with continuously moving bed aerated bioreactors

            N and P removal in a moving bed sand filter

            Reported test results of combined biological denitrification and phosphorus removal trials at WwTP Gardermoen, Norway






              Treatment of RO concentrate with continuous sand filters

              Reported results of aerated continous filtration to remove ammonia-nitrogen from RO concentrate in drinking water production.






                Effluent polishing at STWs Ruurlo and Wehl
                Effluent polishing at STWs Ruurlo and Wehl

                Data-driven enthusiasm in watertech: a game changer

                Please read our story at page 37 of the Journal Mark and Focus, Vol 3, Issue 2, page 37.