Patent ID: 7914678
Filing Date: 2011-03-29
Classification: B01D,C02F,Y02W,Y10S

Abstract:
1. A wastewater treatment system for removing pollutants and pathogens from wastewater and other dirty water sources, the treatment system comprising: a. an inlet flow path for receiving wastewater from a source outside the treatment system; b. a vessel for containing said wastewater, the vessel comprising a substantially unsaturated packed media filter configured for biological and physical treatment of said wastewater and wherein said wastewater is treated as it flows by gravity through pores in said packed media; c. an airflow inducing means for inducing airflow through the media in the same downward direction as the flow of wastewater; d. a dosing means for dosing said media with said wastewater; e. a drain fluidly connected to said vessel for discharging treated wastewater from said vessel; and f. a means for cleaning said media through intermittent backwashing and fluidization of said media.