Patent ID: 6287469
Filing Date: 2001-09-11
Classification: C02F,Y02W

Abstract:
A system for treatment of sewage comprising:a primary sewage processing device;a recirculation tank provided in fluid communication with said primary sewage processing device for further treating the sewage aerobically;filter media contained within said recirculation tank;pump means provided in said recirculation tank for pumping effluent from the bottom of said recirculation tank;spray means, connected to said pump means, for discharging effluent onto said filter media;a mixing zone defined in a lower portion of said recirculation tank, said mixing zone having a first end and a second end, and comprising a stone bed and a plurality of leaching chambers; andmeans for discharging effluent from said recirculation tank,wherein said sewage is communicated from said primary sewage processing device to the first end of said mixing zone, andwherein said pump means is located at the second end of said mixing zone.