Patent ID: 6267882
Filing Date: 2001-07-31
Classification: B01D

Abstract:
A filter container for filtering sewage effluent from a septic tank, said filter container comprising:a) a body having a lower end and an upper end, having walls forming a floor positioned at the lower end and sides connected to the floor and positioned to define an inner cavity extending from the lower end to the upper end, the body having a mouth opening positioned at the upper end to provide access to said inner cavity;b) a lid positioned on the upper end of the body so as to cover the mouth to thereby substantially close access to the inner cavity;c) a plurality of pipes connecting the container in fluid communication with the septic tank or with another filter container, wherein said plurality of pipes includes at least one sewage delivery pipe for delivering sewage effluent from said septic tank to the inner cavity, at least one inlet pipe for delivering filtered sewage effluent from another filter container to the inner cavity, and at least one outlet pipe for discharging filtered sewage effluent from the inner cavity to another filter container; andd) at least one filter comprising a lightweight particulate material, the filter positioned within the inner cavity of the filter container for filtering the sewage effluent.