C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 3/04 (2006.01) B01D 24/00 (2006.01) B09C 1/00 (2006.01) C02F 3/06 (2006.01) C02F 3/10 (2006.01) C02F 3/28 (2006.01)
Patent
CA 2073969
This invention lies in the field of on-site sewage and wastewater treatment. Standard on-site septic systems require special soil and groundwater conditions with large lot sizes. This invention comprises a method and device for complete treatment of sep- tic tank effluent or other contaminated water by contriving for it to flow in an ultra-thin film over a surface treatment medium such as fabric or sand, providing diffusive aeration, biological reaction, and physical filtration on a molecular scale. The device transfers contaminated water from a container (48) to a final collector (42), completely purifying the liquid in the process. The pu- rified effluent can then be reused for household, industrial, irrigation or other uses, or disposed of as normal surface run-off in streams or lakes. To increase efficiency, said container encloses a progressively more finely pored media (18, 22, 26, 28, 32) pre- cisely situated with effluent seeping gradually through progressively finer pores to provide effective pretreatment.
Helm Glen J.
Vandervelde Donald M.
Fetherstonhaugh & Co.
Helm Glen J.
Vandervelde Donald M.
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