Patent ID: 6024870
Filing Date: 2000-02-15
Classification: B01D,C02F,Y02W

Abstract:
A sewage filtration system, comprising:a tank having an inlet tube and an outlet tube, wherein said inlet tube is connectable to an outlet line of a conventional septic tank;a first tube having an output end and an input end, wherein said output end is fluidly connected to said outlet tube;a second tube positioned above said first tube and fluidly connected to said input end of said first tube, wherein said second tube is permeable;at least one layer of filtering particulate material above said first tube for filtering liquefied sewage inputted through said inlet tube, wherein said at least one layer of filtering particulate material surrounds said second tube;a layered filter structure positioned upon said at least one layer; andwherein said layered filter structure comprises:a plurality of staggered frames; anda corresponding plurality of filter sheets attached to each of said plurality of staggered frames for filtering liquefied sewage, wherein said filter sheets are porous.