Sewage disposal apparatus employing circulating filter media

Details Sewage disposal apparatus employing circulating filter media Sewage disposal apparatus employing circulating filter media

1993-01-25

1994-05-03

Wyse, Thomas

Liquid purification or separation

With gas-liquid surface contact means

With separator

210197, 210216, 2105322, C02F 308

Patent

active

053084799

ABSTRACT:
The present invention relates to a sewage disposal method employing a filter media and an apparatus for carrying out the same intended for the effective prevention of the clogging of the filter media. Sewage currents are generated in a circulation passage means defined in a septic tank by a sewage current generating means to circulate the filter media regularly and continuously through the circulation passage means by the sewage currents. Sludge can be removed from the filter media by regularly circulating the filter media without dispersing the sludge in the septic tank.

REFERENCES:
patent: 2071591 (1937-02-01), Tholin
patent: 4707252 (1987-11-01), Durot et al.
patent: 4931183 (1990-06-01), Klein et al.
patent: 4931401 (1990-06-01), Safi
patent: 5202029 (1993-04-01), Stuth

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