Liquid purification or separation – With gas-liquid surface contact means – With separator
Patent
1998-12-22
2000-02-15
Upton, Christopher
Liquid purification or separation
With gas-liquid surface contact means
With separator
210255, 210262, 210265, 210266, 210283, 210291, 210317, 210336, 2105322, B01D 2414, B01D 2905
Patent
active
06024870&
ABSTRACT:
A sewage filtration system for efficiently filtering sewage waste material from smaller residential areas without the use of expensive sewage treatment plants. The inventive device includes a conventional septic tank connected to each building structure's sewage system, a pair of fluidly connected two compartment tanks connected to the conventional septic tanks, and a final phase filtering tank fluidly connected to the pair of two compartment tanks. The final phase filtering tank comprises a tank, a cover, an inlet tube, an outlet tube, a first tube connected to the outlet tube, a second tube fluidly connected to the first tube wherein the second tube is water permeable, at least one sand or gravel layer above the second tube, a layered filter structure above the sand or gravel layer that receives the filtered liquid from the inlet tube. A half plug with drain apertures within the lower portion thereof is preferably utilized upon the inlet tube to slow the disbursement of the filtered liquid upon the layered filter structure. The layered filter and the first tube provide increased aeration of the filtered liquid. A chlorination line may be connected to the first tube to chlorinate the filtered liquid prior to leaving the outlet line. The purified liquid that is emitted from the outlet tube may be dispersed into the soil surrounding the final phase filtering tank because of the high filtering process without fear of contaminating the ground water or surrounding land.
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